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#include <bits/stdc++.h> using namespace std; long long n, m, ai, bi; vector<long long> one, two, three; int32_t main() { ios_base::sync_with_stdio(false); cin >> n >> m; for (long long i = 0; i < n; i++) { cin >> ai >> bi; if (ai == 3) three.push_back(bi); else if (ai == 2) two.push_back(bi); else one.push_back(bi); } sort(one.begin(), one.end(), greater<long long>()); sort(two.begin(), two.end(), greater<long long>()); sort(three.begin(), three.end(), greater<long long>()); vector<vector<long long> > answer; for (long long i = 0; i <= m; i++) { vector<long long> help; help.push_back(-100000000000000000); help.push_back(-1); help.push_back(-1); answer.push_back(help); } answer[0][0] = 0; answer[0][1] = 0; answer[0][2] = 0; for (long long i = 0; i <= m; i++) { if (answer[i][1] == -1) continue; if (answer[i][1] < one.size()) { long long v = answer[i][0] + one[answer[i][1]]; if (i + 1 <= m && answer[i + 1][0] < v) { answer[i + 1][0] = v; answer[i + 1][1] = answer[i][1] + 1; answer[i + 1][2] = answer[i][2]; } } if (answer[i][2] < two.size()) { long long v = answer[i][0] + two[answer[i][2]]; if (i + 2 <= m && answer[i + 2][0] < v) { answer[i + 2][0] = v; answer[i + 2][1] = answer[i][1]; answer[i + 2][2] = answer[i][2] + 1; } } } long long ans = 0; long long summ = 0; long long maximum = 0; for (long long i = 0; i <= m; i++) { maximum = max(maximum, answer[i][0]); answer[i][0] = maximum; } for (long long i = 0; i <= three.size(); i++) { if (3 * i > m) break; if (i > 0) summ += three[i - 1]; if (summ + answer[m - 3 * i][0] > ans) { ans = summ + answer[m - 3 * i][0]; } } cout << ans << endl; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; priority_queue<int> q[4]; int n, w; long long dp[4][300003]; void fun1() { int k = q[1].size(); for (int i = 1; i <= k && i <= w; i++) { dp[1][i] = dp[1][i - 1] + q[1].top(); q[1].pop(); } for (int i = k + 1; i <= w; i++) dp[1][i] = dp[1][i - 1]; } void fun2() { int k = q[2].size(); long long c, l = 1, sum = 0, t = 0; for (int i = 1; i <= k && i <= w; i++) { c = q[2].top(); q[2].pop(); for (int j = l; j <= w; j++) { l = j; if (j >= 2 * (t + 1) && dp[1][j - t * 2] + sum < dp[1][j - t * 2 - 2] + sum + c) { dp[2][j] = sum + c + dp[1][j - t * 2 - 2]; t++; sum += c; break; } else { dp[2][j] = sum + dp[1][j - t * 2]; } } } for (int j = l; j <= w; j++) { dp[2][j] = sum + dp[1][j - t * 2]; } } void fun3() { long long sum = 0, t = 0; dp[3][w] = dp[2][w]; while (q[3].size()) { t += 3; sum += q[3].top(); q[3].pop(); if (t <= w) { dp[3][w] = max(dp[3][w], dp[2][w - t] + sum); } } } int main() { cin >> n >> w; int ww, c; for (int i = 0; i < n; i++) { scanf("%d%d", &ww, &c); if (ww == 1) q[1].push(c); else if (ww == 2) q[2].push(c); else q[3].push(c); } fun1(); fun2(); fun3(); cout << dp[3][w]; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int INF = 1 << 29; const long long LINF = 1LL << 60; long long mod = 1e9 + 7; char READ_DATA; int SIGNAL_INPUT; template <typename Type> inline Type ru(Type &v) { SIGNAL_INPUT = 1; while ((READ_DATA = getchar()) < '0' || READ_DATA > '9') if (READ_DATA == '-') SIGNAL_INPUT = -1; else if (READ_DATA == EOF) return EOF; v = READ_DATA - '0'; while ((READ_DATA = getchar()) >= '0' && READ_DATA <= '9') v = v * 10 + READ_DATA - '0'; v *= SIGNAL_INPUT; return v; } inline long long modru(long long &v) { long long p = 0; SIGNAL_INPUT = 1; while ((READ_DATA = getchar()) < '0' || READ_DATA > '9') if (READ_DATA == '-') SIGNAL_INPUT = -1; else if (READ_DATA == EOF) return EOF; p = v = READ_DATA - '0'; while ((READ_DATA = getchar()) >= '0' && READ_DATA <= '9') { v = (v * 10 + READ_DATA - '0') % mod; p = (p * 10 + READ_DATA - '0') % (mod - 1); } v *= SIGNAL_INPUT; return p; } template <typename A, typename B> inline char ru(A &x, B &y) { if (ru(x) == EOF) return EOF; ru(y); return 2; } template <typename A, typename B, typename C> inline char ru(A &x, B &y, C &z) { if (ru(x) == EOF) return EOF; ru(y); ru(z); return 3; } template <typename A, typename B, typename C, typename D> inline char ru(A &x, B &y, C &z, D &w) { if (ru(x) == EOF) return EOF; ru(y); ru(z); ru(w); return 4; } struct Edge { int u, v, next; int w, cap, flow; Edge(int _u = 0, int _v = 0, int nxt = -1, long long _w = 1, long long _cap = 0) { u = _u; v = _v; w = _w; cap = _cap; flow = 0; next = nxt; } int operator<(const Edge &b) const { return w < b.w; } }; const int maxn = 3e5 + 7; double eps = 1e-6; int n, m; long long cnt1, cnt2, cnt3; long long a[maxn], b[maxn], c[maxn]; long long dp[maxn], pre[maxn]; pair<int, int> f[maxn]; int cmp(const long long &a, const long long &b) { return a > b; } int main() { ru(n, m); long long w, v; for (int i = 1; i <= n; ++i) { ru(w, v); if (w == 1) a[++cnt1] = v; else if (w == 2) b[++cnt2] = v; else c[++cnt3] = v; } sort(a + 1, a + cnt1 + 1, cmp); sort(b + 1, b + cnt2 + 1, cmp); sort(c + 1, c + cnt3 + 1, cmp); int x; if (cnt1) { dp[1] = a[1]; f[1].first = 1; } for (int i = 2; i <= m; ++i) { x = 0; dp[i] = dp[i - 1]; f[i] = f[i - 1]; if (f[i - 1].first < cnt1) { dp[i] = dp[i - 1] + a[f[i - 1].first + 1]; x = 1; } if (f[i - 2].second < cnt2 && dp[i] < dp[i - 2] + b[f[i - 2].second + 1]) { dp[i] = dp[i - 2] + b[f[i - 2].second + 1]; x = 2; } if (x == 1) { f[i] = f[i - 1]; f[i].first++; } else if (x == 2) { f[i] = f[i - 2]; f[i].second++; } } for (int i = 1; i <= m / 3; ++i) pre[i] = pre[i - 1] + c[i]; long long ans = 0; for (int i = 0; i <= m; ++i) { ans = max(ans, dp[i] + pre[(m - i) / 3]); } cout << ans; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 2e5; int n, m, a, b; long long c[3][maxn]; long long sum[3][maxn]; int cnt[3]; long long cal(int n3, int n2) { return sum[2][n3] + sum[1][n2] + sum[0][min(cnt[0], m - n3 * 3 - n2 * 2)]; } int main() { cin >> n >> m; for (int i = 0; i < n; ++i) { scanf("%d%d", &a, &b); c[a - 1][cnt[a - 1]++] = b; } for (int i = 0; i < 3; ++i) sort(c[i], c[i] + cnt[i], greater<long long>()); for (int i = 0; i < 3; ++i) for (int j = 1; j <= cnt[i]; ++j) sum[i][j] = sum[i][j - 1] + c[i][j - 1]; long long ans = 0; for (int i = 0; i <= min(m / 3, cnt[2]); ++i) { int l = 0, r = min((m - i * 3) / 2, cnt[1]), lm, rm; ans = max(ans, max(cal(i, l), cal(i, r))); while (l < r) { lm = (l + r) >> 1; rm = (lm + r) >> 1; if (cal(i, lm) > cal(i, rm)) r = rm; else if (cal(i, lm) == cal(i, rm)) l = lm, r = rm; else l = lm; } ans = max(ans, cal(i, l)); } cout << ans << endl; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 3e5 + 5; struct node { int w; long long c; bool operator<(const node &r) const { return c * r.w > r.c * w || c * r.w == r.c * w && w < r.w; } } e[maxn]; long long t[maxn]; long long a[maxn]; int f[maxn]; long long mi[maxn]; bool cmp(long long a, long long b) { return a > b; } int main() { int n, m; scanf("%d%d", &n, &m); int now1 = 0, now3 = 0; for (int i = 1; i <= n; i++) { int w; long long c; scanf("%d%lld", &w, &c); if (w == 3) t[++now3] = c; else e[++now1].w = w, e[now1].c = c; } sort(t + 1, t + 1 + now3, cmp); for (int i = 2; i <= now3; i++) t[i] += t[i - 1]; sort(e + 1, e + 1 + now1); int pre = 0; mi[0] = 1e18; for (int i = 1; i <= now1; i++) { a[pre + e[i].w] = a[pre] + e[i].c; f[pre + e[i].w] = e[i].w; if (e[i].w == 1) mi[pre + e[i].w] = e[i].c; else mi[pre + 1] = mi[pre + 2] = mi[pre]; pre += e[i].w; } for (int i = pre + 1; i <= m; i++) a[i] = a[i - 1]; long long nex1 = 0, nex2 = 0; for (int i = pre; i >= 1; i--) { if (f[i] == 1) nex1 = a[i] - a[i - 1]; else if (f[i] == 2) nex2 = a[i] - a[i - 2]; else { a[i] = max(a[i - 1] + nex1, a[i - 1] + nex2 - mi[i]); } } long long ans = 0; for (int i = 0; i <= now3; i++) { long long sum = t[i]; int len = m - i * 3; if (len < 0) break; sum += a[len]; ans = max(ans, sum); } printf("%lld\n", ans); }
11
CPP
#include <bits/stdc++.h> using namespace std; struct node { long long v, s1, s2; } dp[300005]; long long goods[4][300005]; long long num[4]; long long sum[300005]; int cmp(long long a, long long b) { return a > b; } int main() { long long n, m, w, c; while (~scanf("%lld %lld", &n, &m)) { memset(goods, 0, sizeof(goods)); memset(num, 0, sizeof(num)); memset(dp, 0, sizeof(dp)); for (long long i = 0; i < n; i++) { scanf("%lld %lld", &w, &c); goods[w][++num[w]] = c; } for (long long i = 1; i <= 3; i++) { sort(goods[i] + 1, goods[i] + 1 + num[i], cmp); } for (long long i = 1; i <= num[3]; i++) { sum[i] = sum[i - 1] + goods[3][i]; } for (long long i = 1; i <= m; i++) { dp[i] = dp[i - 1]; if (dp[i - 1].v + goods[1][dp[i - 1].s1 + 1] > dp[i].v) { dp[i].v = dp[i - 1].v + goods[1][dp[i - 1].s1 + 1]; dp[i].s1 = dp[i - 1].s1 + 1; dp[i].s2 = dp[i - 1].s2; } if (i >= 2 && dp[i - 2].v + goods[2][dp[i - 2].s2 + 1] > dp[i].v) { dp[i].v = dp[i - 2].v + goods[2][dp[i - 2].s2 + 1]; dp[i].s1 = dp[i - 2].s1; dp[i].s2 = dp[i - 2].s2 + 1; } } long long ans = 0; for (long long i = 0; i <= num[3] && i * 3 <= m; i++) { ans = max(ans, dp[m - i * 3].v + sum[i]); } printf("%lld\n", ans); } }
11
CPP
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 7; long long ans, dp[N]; int ed, n, m; struct node { int w, c; double val; node(int a = 0, int b = 0) : w(a), c(b) {} bool operator<(const node &b) const { return val > b.val; } } a[N], tmp[N]; long long DP() { for (int i = 1; i <= ed; i++) { for (int j = m; j >= tmp[i].w; j--) { dp[j] = max(dp[j], dp[j - tmp[i].w] + tmp[i].c); } } long long mx = 0; for (int i = 0; i <= m; i++) mx = max(mx, dp[i]); return mx; } int main() { scanf("%d%d", &n, &m); ans = 0; for (int i = 1; i <= n; i++) scanf("%d%d", &a[i].w, &a[i].c), a[i].val = 1.0 * a[i].c / a[i].w; sort(a + 1, a + 1 + n); int tp[4]; memset(tp, -1, sizeof(tp)); for (int i = 1; i <= n; i++) { if (m < 30) { ed = 0; while (i <= n) tmp[++ed] = a[i], i++; for (int ii = 1; ii <= 3; ii++) if (~tp[ii]) tmp[++ed] = node(ii, tp[ii]), m += ii, ans -= tp[ii]; ans += DP(); break; } ans += a[i].c; m -= a[i].w; tp[a[i].w] = a[i].c; } printf("%lld\n", ans); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int N = 100000, M = 300000; long long dp[M + 1][3]; vector<int> c[3]; int main() { int n, m; scanf("%d%d", &n, &m); int ci, wi; for (int i = 0; i < n; ++i) { scanf("%d%d", &wi, &ci); c[wi - 1].push_back(ci); } for (int i = 0; i < 3; ++i) sort(c[i].begin(), c[i].end(), greater<int>()); if (!c[0].empty()) { dp[1][0] = 1; dp[1][2] = c[0][0]; } for (int i = 2; i <= m; ++i) { if (c[0].size() + c[1].size() * 2 < i) { dp[i][2] = max(dp[i - 1][2], dp[i - 2][2]); continue; } dp[i][0] = dp[i - 1][0] + 1; dp[i][1] = dp[i - 1][1]; dp[i][2] = dp[i - 1][2] + (dp[i - 1][0] < c[0].size() ? c[0][dp[i - 1][0]] : 0); if (dp[i - 2][2] + (dp[i - 2][1] < c[1].size() ? c[1][dp[i - 2][1]] : 0) > dp[i][2]) { dp[i][0] = dp[i - 2][0]; dp[i][1] = dp[i - 2][1] + 1; dp[i][2] = dp[i - 2][2] + (dp[i - 2][1] < c[1].size() ? c[1][dp[i - 2][1]] : 0); } } long long mx = 0; long long sum = 0; for (int i = 0; i <= c[2].size() && m - 3 * i >= 0; ++i) { mx = max(mx, dp[m - 3 * i][2] + sum); if (i != c[2].size()) sum += c[2][i]; } printf("%lld\n", mx); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; using LL = long long; using ULL = unsigned long long; using UI = unsigned int; using UC = unsigned char; using VI = std::vector<int>; using SI = std::set<int>; using PI = std::pair<int, int>; using PL = std::pair<LL, LL>; constexpr LL MOD = 1000000009; constexpr double EXP = 2.7182818284590452; constexpr double Pi = 3.1415926535; constexpr long double EPS = 1e-4; constexpr int INF = 1000 * 1000 * 1001; constexpr long long INFL = (LL)INF * (LL)INF; inline LL gcd(LL a, LL b) { if (a < b) swap(a, b); while (b != 0) { a %= b; swap(a, b); } return a; } inline LL lcm(LL a, LL b) { return (a / gcd(a, b)) * b; } LL extgcd(LL a, LL b, LL& x, LL& y) { if (a == 0) { x = 0; y = 1; return b; } LL x11, y11; LL d = extgcd(b % a, a, x11, y11); x = y11 - (b / a) * x11; y = x11; return d; } ULL poww(ULL v, ULL p, ULL mod) { if (p == 0) return 1; if (p & 1) { return (poww(v, p - 1, mod) * v) % mod; } else { ULL t = poww(v, p >> 1L, mod); return (t * t) % mod; } } constexpr ULL L31018 = 3000000000000000000L; constexpr ULL L1018 = 1000000000000000000L; constexpr int MAXN = 300005; int n, m; int cnt[4]; int cur[4]; int arr[4][MAXN]; LL sum[4][MAXN]; LL res = 0; int w = 0, c; LL get_sum(int w, int p) { return sum[w][p] - sum[w][0]; } LL get_sum12(int p1, int p2) { return sum[1][p1] - sum[1][0] + sum[2][p2] - sum[2][0]; } PI dp12[MAXN]; bool was[MAXN]; PI func(int w) { if (w == 0) { return std::make_pair(1, 1); } if (w == 1) { return std::make_pair(((2 < cnt[1] + 1) ? (2) : (cnt[1] + 1)), 1); } if (was[w]) { return dp12[w]; } was[w] = true; PI r1, r2; r1 = func(w - 1); if (r1.first <= cnt[1]) { ++r1.first; } r2 = func(w - 2); LL s1 = 0, s2 = 0; if (r2.first <= cnt[1]) { s1 += arr[1][r2.first]; } if (r2.first + 1 <= cnt[1]) { s1 += arr[1][r2.first + 1]; } if (r2.second <= cnt[2]) { s2 += arr[2][r2.second]; } if (s2 >= s1) { ++r2.second; } else { r2.first += 2; } if (get_sum12(r1.first - 1, r1.second - 1) > get_sum12(r2.first - 1, r2.second - 1)) { return dp12[w] = r1; } return dp12[w] = r2; } void accept() { cin >> n >> m; for (int i = (0); i < (4); ++i) { cur[i] = 1; } for (int i = (1); i < (n + 1); ++i) { scanf("%d%d", &w, &c); arr[w][cur[w]++] = c; ++cnt[w]; } for (int i = (1); i < (4); ++i) { sort(arr[i] + 1, arr[i] + 1 + cnt[i], greater<int>()); } for (int i = (1); i < (4); ++i) { for (int j = (1); j < (n + 1); ++j) { sum[i][j] = sum[i][j - 1] + arr[i][j]; } } LL res = 0, cur = 0; for (int i = (0); i < (cnt[3] + 1); ++i) { if (3 * i > m) { break; } PI res12 = func(m - 3 * i); cur = get_sum(3, i) + get_sum12(res12.first - 1, res12.second - 1); res = ((res < cur) ? (cur) : (res)); } cout << res; } int main(void) { accept(); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; long long n, m; vector<long long> v[4]; vector<long long> sum[4]; int32_t main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); ; cin >> n >> m; for (long long i = 0; i < n; i++) { long long w, c; cin >> w >> c; v[w].push_back(c); } for (long long i = 1; i <= 3; i++) sort(v[i].rbegin(), v[i].rend()), sum[i].push_back(0); for (long long i = 1; i <= 3; i++) { for (long long j = 1; j <= v[i].size(); j++) { long long val = sum[i].back() + v[i][j - 1]; sum[i].push_back(val); } } long long ans = 0; for (long long i = 0; i <= min(m, (long long)v[3].size()); i++) { long long wt = m - 3 * i; if (wt < 0) break; long long low = 0; long long high = min((long long)v[2].size(), wt / 2); while (low < high) { long long mid1 = low + (high - low) / 3; long long mid2 = high - (high - low) / 3; long long left1 = wt - mid1 * 2; long long left2 = wt - mid2 * 2; long long take1 = min((long long)v[1].size(), left1); long long take2 = min((long long)v[1].size(), left2); long long sum1 = sum[2][mid1] + sum[1][take1]; long long sum2 = sum[2][mid2] + sum[1][take2]; if (sum1 < sum2) low = mid1 + 1; else high = mid2 - 1; } for (long long j = max(0ll, low - 2); j <= min(min((long long)v[2].size(), wt / 2), low + 2); j++) { long long left = wt - j * 2; long long take = min((long long)v[1].size(), left); long long sum1 = sum[2][j] + sum[1][take]; ans = max(ans, sum1 + sum[3][i]); } } cout << ans; }
11
CPP
#include <bits/stdc++.h> using namespace std; vector<int> v[4]; long long _1[300300], sum[4][100100], total; int main() { ios_base::sync_with_stdio(0); long long n, m; cin >> n >> m; for (int i = 0; i < n; i++) { int x, y; cin >> x >> y; total += x; v[x].push_back(y); } for (int i = 1; i <= 3; i++) sort(v[i].rbegin(), v[i].rend()); memset(_1, -1, sizeof _1); _1[0] = 0; if ((int)v[1].size() > 0) _1[1] = 1; if ((int)v[1].size() > 1) _1[2] = 2; for (int j = 1; j <= 3; j++) for (int i = 1; i <= (int)v[j].size(); i++) { sum[j][i] = sum[j][i - 1] + v[j][i - 1]; } for (int i = 3; i <= m; i++) if (_1[i - 3] != -1) { if (_1[i - 3] + 3 <= (int)v[1].size()) _1[i] = _1[i - 3] + 3; int _3 = (i - _1[i - 3]) / 3; if (v[3].size() >= _3 && (v[1].size() < _1[i - 3] + 3 || sum[1][_1[i - 3] + 3] - sum[1][_1[i - 3]] < sum[3][_3] - sum[3][_3 - 1])) _1[i] = _1[i - 3]; } m = min(m, total); long long ans = 0; for (int i = 0; i <= (int)v[2].size(); i++) if (2 * i <= m && _1[m - 2 * i] != -1) { ans = max(sum[2][i] + sum[1][_1[m - 2 * i]] + sum[3][(m - 2 * i - _1[m - 2 * i]) / 3], ans); } m--; for (int i = 0; i <= (int)v[2].size(); i++) if (2 * i <= m && _1[m - 2 * i] != -1) { ans = max(sum[2][i] + sum[1][_1[m - 2 * i]] + sum[3][(m - 2 * i - _1[m - 2 * i]) / 3], ans); } m--; for (int i = 0; i <= (int)v[2].size(); i++) if (2 * i <= m && _1[m - 2 * i] != -1) { ans = max(sum[2][i] + sum[1][_1[m - 2 * i]] + sum[3][(m - 2 * i - _1[m - 2 * i]) / 3], ans); } cout << ans << endl; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 5; vector<int> w[4]; int n, m; long long GetAns(int t) { int totw = m; long long ans = 0; for (int i = 0; i < min(t, (int)w[3].size()); i++) { totw -= 3; ans += w[3][i]; } if (totw < 0) return 0; int p1 = 0, p2 = 0; while (totw >= 2 && p2 < w[2].size()) { totw -= 2; ans += w[2][p2++]; } while (totw >= 1 && p1 < w[1].size()) { totw--; ans += w[1][p1++]; } while (p1 + 1 < w[1].size() && p2 >= 1 && w[1][p1] + w[1][p1 + 1] > w[2][p2 - 1]) { ans += w[1][p1] + w[1][p1 + 1]; p1 += 2; p2--; ans -= w[2][p2]; } if (p1 < w[1].size() && p2 >= 1 && w[1][p1] > w[2][p2 - 1]) { ans += w[1][p1]; p1++; p2--; ans -= w[2][p2]; } return ans; } int main() { scanf("%d %d", &n, &m); for (int i = 1; i <= n; i++) { int x, y; scanf("%d %d", &x, &y); w[x].push_back(y); } for (auto &v : w) sort(v.begin(), v.end(), greater<int>()); int L = 0, R = min((int)w[3].size(), m / 3); while (R - L > 10) { int mid = L + R >> 1; int mmid = (mid + R) >> 1; if (GetAns(mid) < GetAns(mmid)) L = mid; else R = mmid; } long long ans = 0; for (int i = L; i <= R; i++) ans = max(ans, GetAns(i)); printf("%lld\n", ans); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; vector<pair<long long, long long> > a; vector<pair<long long, long long> > b; vector<pair<long long, long long> > c; long long n, m; bool cmp(pair<long long, long long> x, pair<long long, long long> y) { return x.second * y.first < x.first * y.second; } long long left__[5]; long long knapsack() { vector<vector<long long> > dp; dp.assign(b.size() + 5, vector<long long>(m + 5, 0)); for (long long i = 1; i <= b.size(); i++) { long long w = b[i - 1].first; long long val = b[i - 1].second; for (long long j = 0; j <= m; j++) { dp[i][j] = dp[i - 1][j]; if (j >= w) dp[i][j] = max(dp[i][j], dp[i - 1][j - w] + val); } } return dp[b.size()][m]; } long long solve1() { long long ret = 0; sort(a.begin(), a.end(), cmp); while (!a.empty() && m > 60) { if (left__[a.back().first] > 10) { m -= a.back().first; ret += a.back().second; a.pop_back(); } else { c.push_back(a.back()); a.pop_back(); } } long long cnt[5]; memset(cnt, 0, sizeof(cnt)); for (long long i = (signed)c.size() - 1; i >= 0; i--) { long long x = c[i].first; if (cnt[x] * x > m) continue; cnt[x]++; b.push_back(c[i]); } for (long long i = (signed)a.size() - 1; i >= 0; i--) { long long x = a[i].first; if (cnt[x] * x > m) continue; cnt[x]++; b.push_back(a[i]); } return ret + knapsack(); } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cin >> n >> m; for (long long i = 1; i <= n; i++) { long long x, y; cin >> x >> y; left__[x]++; a.push_back(make_pair(x, y)); } cout << solve1() << '\n'; }
11
CPP
#include <bits/stdc++.h> using namespace std; struct Suv { long long w, c; double rate; }; bool operator<(Suv a, Suv b) { return a.rate < b.rate; } Suv a[100001]; long long dp[300010]; long long up, down, ans; int i, j, n, m, c, w; int main() { scanf("%d %d", &n, &m); for (i = 0; i < n; i++) { scanf("%d %d", &w, &c); a[i].w = w; a[i].c = c; a[i].rate = (double)w / c; } sort(a, a + n); dp[0] = 1; ans = 1; for (i = 0; i < n; i++) { up += a[i].w; if (up > m) up = m; down = max(a[i].w, up - 3); for (j = up; j >= down; j--) { dp[j] = max(dp[j], dp[j - a[i].w] + a[i].c); ans = max(ans, dp[j]); } } cout << ans - 1 << endl; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; struct node { long long w, c; }; bool comp(node i, node j) { return (i.c > j.c); } long long dp[300020]; long long ans; node arr[100005]; int main() { long long i, j, n, m; cin >> n >> m; for (i = 0; i < n; i++) { cin >> arr[i].w >> arr[i].c; arr[i].c = ((arr[i].c * 6) / arr[i].w); } sort(arr, arr + n, comp); long long tot = 0; for (i = 0; i < n; i++) { tot += arr[i].w; tot = min(tot, m); for (j = tot; tot - j < 4 && j >= arr[i].w; j--) { dp[j] = max(dp[j], dp[j - arr[i].w] + ((arr[i].c * arr[i].w) / 6)); ans = max(ans, dp[j]); } } cout << ans << endl; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int mxn = 1e5 + 5; long long f[mxn], s[mxn], t[mxn]; int n, m, cf, cs, ct; int nf, ns; signed main() { ios_base::sync_with_stdio(false); cin >> n >> m; for (int i = 1; i <= n; ++i) { int x, y; cin >> x >> y; if (x == 1) f[++cf] = y; else if (x == 2) s[++cs] = y; else t[++ct] = y; } sort(f + 1, f + cf + 1); reverse(f + 1, f + cf + 1); sort(s + 1, s + cs + 1); reverse(s + 1, s + cs + 1); sort(t + 1, t + ct + 1); reverse(t + 1, t + ct + 1); for (int i = 1; i <= cf; ++i) f[i] += f[i - 1]; for (int i = 1; i <= cs; ++i) s[i] += s[i - 1]; for (int i = 1; i <= ct; ++i) t[i] += t[i - 1]; if (m >= cf + cs * 2 + ct * 3) { cout << f[cf] + s[cs] + t[ct] << '\n'; return 0; } long long mx = 0, ans = 0; for (int i = 0; i <= cs; ++i) { int tmp = m - i * 2; tmp = min(tmp, cf); if (tmp < 0) break; long long sm = s[i] + f[tmp]; if (sm > mx) { mx = sm; nf = tmp; ns = i; } } ans = mx; for (int i = 1; i <= ct; ++i) { mx = 0; int tps = ns, tpf = nf; for (int cg = -5; cg <= 5; ++cg) { int ts = ns + cg, tf = m - i * 3 - ts * 2; ts = min(ts, cs), tf = min(tf, cf); if (ts < 0 or tf < 0) continue; long long sm = t[i] + s[ts] + f[tf]; if (sm > mx) { mx = sm; tps = ts; tpf = tf; } } if (ans < mx) { ans = mx; ns = tps; nf = tpf; } } cout << ans << '\n'; }
11
CPP
#include <bits/stdc++.h> using namespace std; struct node { long long val; int cnt1, cnt2; } dp[300005]; long long v1[100005], v2[100005], v3[100005]; long long s[100005]; inline bool cmp(long long a, long long b) { return a > b; } int cnt1 = 0, cnt2 = 0, cnt3 = 0; int main() { int n, m, i, k; long long w; scanf("%d%d", &n, &m); for (i = 1; i <= n; i++) { scanf("%d%lld", &k, &w); if (k == 1) { v1[++cnt1] = w; } if (k == 2) { v2[++cnt2] = w; } if (k == 3) { v3[++cnt3] = w; } } sort(v1 + 1, v1 + cnt1 + 1, cmp); sort(v2 + 1, v2 + cnt2 + 1, cmp); sort(v3 + 1, v3 + cnt3 + 1, cmp); for (i = 1; i <= cnt2; i++) { s[i] = s[i - 1] + v2[i]; } dp[0].val = 0; dp[0].cnt1 = 0; dp[0].cnt2 = 0; dp[1].val = v1[1]; dp[1].cnt1 = 1; dp[1].cnt2 = 0; dp[2].val = v1[1] + v1[2]; dp[2].cnt1 = 2; dp[2].cnt2 = 0; for (i = 3; i <= m; i++) { dp[i].val = dp[i - 1].val + v1[dp[i - 1].cnt1 + 1]; dp[i].cnt1 = dp[i - 1].cnt1 + 1; dp[i].cnt2 = dp[i - 1].cnt2; if (dp[i - 3].val + v3[dp[i - 3].cnt2 + 1] > dp[i].val) { dp[i].val = dp[i - 3].val + v3[dp[i - 3].cnt2 + 1]; dp[i].cnt1 = dp[i - 3].cnt1; dp[i].cnt2 = dp[i - 3].cnt2 + 1; } if (dp[i].cnt1 > cnt1) { dp[i].cnt1 = cnt1; } if (dp[i].cnt2 > cnt3) { dp[i].cnt2 = cnt3; } } for (i = 1; i <= m; i++) { if (dp[i - 1].val > dp[i].val) { dp[i].val = dp[i - 1].val; } } long long ans = dp[m].val; for (i = 1; i <= cnt2 && 2 * i <= m; i++) { long long tp = dp[m - 2 * i].val + s[i]; if (tp > ans) { ans = tp; } } printf("%lld", ans); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int MAX = 1e5 + 7; int n, m; vector<long long> costs[4]; long long sum[4][MAX]; long long f(int a, int w) { long long ans = sum[2][a]; w -= 2 * a; w = min(w, (int)costs[1].size()); ans += sum[1][w]; return ans; } long long func(int w) { int beg = 0; int last = min(w / 2, (int)costs[2].size()); long long ans = 0; while ((last - beg) > 3) { int left = beg + (last - beg) / 3; int right = last - (last - beg) / 3; if (f(left, w) < f(right, w)) beg = left; else last = right; } for (int i = beg; i <= last; i++) ans = max(ans, f(i, w)); return ans; } long long func() { for (int i = 1; i <= 3; i++) { sort(costs[i].rbegin(), costs[i].rend()); for (int j = 1; j <= costs[i].size(); j++) sum[i][j] = sum[i][j - 1] + costs[i][j - 1]; } long long ans = 0; for (int i = 0; i <= costs[3].size(); i++) { int w = m - 3 * i; if (w < 0) break; ans = max(ans, sum[3][i] + func(w)); } return ans; } int main() { ios_base::sync_with_stdio(false); cin >> n >> m; for (int i = 1; i <= n; i++) { int w, c; cin >> w >> c; costs[w].push_back(c); } cout << func() << endl; return 0; }
11
CPP
#include <bits/stdc++.h> int n, m, vs[4][100007], vp[4]; long long s1[100007], s2[100007], ans = 0, now = 0; int main() { scanf("%d%d", &n, &m); for (int i = 1; i <= n; ++i) { int x, y; scanf("%d%d", &x, &y); vs[x][++vp[x]] = y; } for (int i = 1; i <= 3; ++i) std::sort(vs[i] + 1, vs[i] + vp[i] + 1, std::greater<int>()); for (int i = 1; i <= vp[1]; ++i) s1[i] = s1[i - 1] + vs[1][i]; for (int i = 1; i <= vp[2]; ++i) s2[i] = s2[i - 1] + vs[2][i]; for (int i = 0; i <= vp[3] && m >= 0; ++i) { int L = 0, R = std::min(vp[2], m / 2), M; while (L < R) { M = L + R >> 1; int m2 = std::min(m - M * 2, vp[1]); if (M * 2 + m2 < m - 1 || vs[2][M] > vs[1][m2] * 2) L = M + 1; else R = M; } for (int x = std::max(0, M - 2); x <= std::min(vp[2], M + 2); ++x) { if (x * 2 > m) continue; int y = std::min(vp[1], m - x * 2); long long a1 = now + s1[y] + s2[x]; if (a1 > ans) ans = a1; } m -= 3; now += vs[3][i + 1]; } printf("%I64d\n", ans); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; template <class C> void mini(C& a4, C b4) { a4 = min(a4, b4); } template <class C> void maxi(C& a4, C b4) { a4 = max(a4, b4); } template <class T1, class T2> ostream& operator<<(ostream& out, pair<T1, T2> pair) { return out << "(" << pair.first << ", " << pair.second << ")"; } const int maxn = 300010; int n, W; int w[maxn], v[maxn]; vector<int> A, B, C; int nA, nB, nC; int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> n >> W; for (int i = (0); i < (n); i++) { cin >> w[i] >> v[i]; if (w[i] == 1) A.push_back(v[i]); if (w[i] == 2) B.push_back(v[i]); if (w[i] == 3) C.push_back(v[i]); } sort(A.begin(), A.end()); reverse(A.begin(), A.end()); sort(B.begin(), B.end()); reverse(B.begin(), B.end()); sort(C.begin(), C.end()); reverse(C.begin(), C.end()); nA = A.size(); nB = B.size(); nC = C.size(); long long dp[maxn], suma[maxn]; pair<int, int> r[maxn]; memset(dp, 0LL, sizeof dp); dp[0] = 0; r[0] = pair<int, int>(0, 0); for (int i = (1); i < (W + 1); i++) { pair<int, int> x = r[i - 1]; pair<int, int> y; if (i >= 2) y = r[i - 2]; if (x.first < nA) { if (dp[i - 1] + A[x.first] > dp[i]) { dp[i] = dp[i - 1] + A[x.first]; r[i] = pair<int, int>(x.first + 1, x.second); } } if (i >= 2 and y.second < nB) { if (dp[i - 2] + B[y.second] > dp[i]) { dp[i] = dp[i - 2] + (int)B[y.second]; r[i] = pair<int, int>(y.first, y.second + 1); } } if (dp[i - 1] > dp[i]) { dp[i] = dp[i - 1]; r[i] = r[i - 1]; } if (i >= 2 and dp[i - 2] > dp[i]) { dp[i] = dp[i - 2]; r[i] = r[i - 2]; } } for (int i = (0); i < (nC); i++) { suma[i] = C[i]; if (i > 0) suma[i] += suma[i - 1]; } long long maxi = 0; for (int i = (0); i < (W); i++) { if (W - (i + 1) * 3 < 0) break; maxi = max(maxi, suma[i] + dp[W - (i + 1) * 3]); } maxi = max(maxi, dp[W]); cout << maxi << '\n'; return 0; }
11
CPP
n,m = map(int,input().split()) a = [[],[],[]] for _ in range(n): x,y = map(int,input().split()) a[x-1].append(y) for i in range(3): a[i].sort(reverse=True) a_one_odd = [] a_one_even = [] a_length = [len(a[i]) for i in range(3)] for i in range(0,a_length[0]-1,2): a_one_even.append(a[0][i]+a[0][i+1]) for i in range(1,a_length[0]-1,2): a_one_odd.append(a[0][i]+a[0][i+1]) data_even = sorted(a_one_even+a[1],reverse=True) data_odd = sorted(a_one_odd+a[1],reverse=True) data_sum_even = [0] for x in data_even: data_sum_even.append(data_sum_even[-1]+x) data_sum_odd = [0] for x in data_odd: data_sum_odd.append(data_sum_odd[-1]+x) data_sum_three = [0] for x in a[2]: data_sum_three.append(data_sum_three[-1]+x) ans = 0 #print(data_sum_odd,data_sum_even,data_sum_three) for k in range(a_length[2]+1): if m-3*k < 0:break now1,now2 = data_sum_three[k],data_sum_three[k] if (m-3*k)%2== 0: now1 += data_sum_even[min((m-3*k)//2,len(data_sum_even)-1)] if a_length[0] > 0 and m-3*k > 0: now2 += a[0][0] if (m-3*k)//2 >= 1: now2 += data_sum_odd[min((m-3*k)//2-1,len(data_sum_odd)-1)] else: now1 += data_sum_even[min((m-3*k)//2,len(data_sum_even)-1)] if a_length[0] > 0 and m-3*k > 0: now2 += a[0][0] now2 += data_sum_odd[min((m-3*k-1)//2,len(data_sum_odd)-1)] ans = max(ans,now1,now2) print(ans)
11
PYTHON3
#include <bits/stdc++.h> using namespace std; const int maxn = 111111; long long dp[4][maxn]; int cnt[4]; long long go(int x, int y) { return dp[2][x] + dp[1][min(cnt[1], y - x * 2)]; } long long get(int x) { int l = 0, ans = min(x >> 1, cnt[2]), r = ans - 1; while (l <= r) { int mid = (l + r) >> 1; if (go(mid, x) > go(mid + 1, x)) { ans = mid; r = mid - 1; } else l = mid + 1; } return go(ans, x); } bool cmp(long long x, long long y) { return x > y; } int main() { int n, m, a, b; cin >> n >> m; for (int(i) = 1; (i) <= (n); (i)++) { cin >> a >> b; dp[a][++cnt[a]] = b; } for (int(i) = 1; (i) <= (3); (i)++) { sort(dp[i] + 1, dp[i] + 1 + cnt[i], cmp); for (int(j) = 1; (j) <= (cnt[i]); (j)++) { dp[i][j] += dp[i][j - 1]; } } long long ans = 0; for (int i = 0; i <= cnt[3] && i * 3 <= m; i++) { ans = max(ans, dp[3][i] + get(m - i * 3)); } cout << ans << endl; return 0; }
11
CPP
#include <bits/stdc++.h> namespace OI { template <class T> void rd(T &x) { x = 0; int f = 1; char c; while (!isdigit(c = getchar())) if (c == '-') f = -1; do { x = (x << 3) + (x << 1) + (c ^ 48); } while (isdigit(c = getchar())); x *= f; } template <class T> void pt(T x) { if (x < 0) putchar('-'), x = -x; if (x > 9) pt(x / 10); putchar(x % 10 ^ 48); } } // namespace OI using namespace OI; using namespace std; const int N = 3e5 + 5; struct node { int p1, p2; long long v; } dp[N]; int n, m; vector<int> Vec[4]; long long ans, tmp; int main() { rd(n), rd(m); for (int i = 1, x, y; i <= n; i++) rd(x), rd(y), Vec[x].push_back(y); for (int i = 1; i <= 3; i++) sort(Vec[i].begin(), Vec[i].end()), reverse(Vec[i].begin(), Vec[i].end()); for (int i = 1; i <= m; i++) { dp[i] = dp[i - 1]; if (dp[i - 1].p1 < Vec[1].size() && dp[i - 1].v + Vec[1][dp[i - 1].p1] > dp[i].v) { dp[i].v = dp[i - 1].v + Vec[1][dp[i - 1].p1]; dp[i].p1 = dp[i - 1].p1 + 1; dp[i].p2 = dp[i - 1].p2; } if (i > 1 && dp[i - 2].p2 < Vec[2].size() && dp[i - 2].v + Vec[2][dp[i - 2].p2] > dp[i].v) { dp[i].v = dp[i - 2].v + Vec[2][dp[i - 2].p2]; dp[i].p2 = dp[i - 2].p2 + 1; dp[i].p1 = dp[i - 2].p1; } } for (int i = 0; i <= (int)Vec[3].size() && i * 3 <= m; i++) { ans = max(ans, tmp + dp[m - i * 3].v); if (i < Vec[3].size()) tmp += Vec[3][i]; } pt(ans); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; long long calc(vector<vector<long long> > v, int m, long long res) { for (int i = 1; i <= 3; ++i) { sort(v[i].begin(), v[i].end()); reverse(v[i].begin(), v[i].end()); if (i == 1) { for (int i = 0; i + 1 < v[1].size(); i += 2) v[2].push_back(v[1][i] + v[1][i + 1]); if (v[1].size() % 2) { v[1][0] = v[1].back(); v[1].resize(1); } else v[1].clear(); } for (int j = 1; j < v[i].size(); ++j) v[i][j] += v[i][j - 1]; } long long baseRes = res; for (int a = 0; a * 2 <= m && a <= v[2].size(); ++a) { int cur = m - a * 2; long long curRes = a ? v[2][a - 1] : 0; curRes += baseRes; if (cur) { int at = min(cur / 3, int(v[3].size())); cur -= at * 3; if (at) curRes += v[3][at - 1]; } if (cur && !v[1].empty()) curRes += v[1][0]; res = max(res, curRes); } return res; } int main() { int n, m; vector<vector<long long> > w; scanf("%d%d", &n, &m); w.resize(4); int x, y; for (int i = 0; i < n; ++i) { scanf("%d%d", &x, &y); w[x].push_back(y); } sort(w[1].begin(), w[1].end()); long long res = 0; if (!w[1].empty()) { long long tmp = w[1].back(); w[1].pop_back(); res = calc(w, m - 1, tmp); res = max(res, calc(w, m, 0)); w[1].push_back(tmp); } res = max(res, calc(w, m, 0)); printf("%lld\n", res); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; clock_t start; mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count()); template <typename T1, typename T2, typename T3> struct query { T1 ss; T2 x; T3 y; }; template <typename T1, typename T2, typename T3> bool operator<(query<T1, T2, T3>& o1, query<T1, T2, T3>& o2) { return o1.x < o2.x; } template <typename T1, typename T2, typename T3> istream& operator>>(istream& in, query<T1, T2, T3>& q) { in >> q.ss >> q.x >> q.y; return in; } template <typename T1, typename T2, typename T3> ostream& operator<<(ostream& out, query<T1, T2, T3>& q) { out << q.ss << " " << q.x << " " << q.y; return out; } void solve() { long long n, m, ans = 0; cin >> n >> m; vector<long long> v[3]; for (long long i = 0; i < n; i++) { long long w, c; cin >> w >> c; w--; v[w].push_back(c); } v[0].resize(max(n, m + 1)); v[1].resize(max(n, m + 1)); v[2].resize(max(n, m + 1)); sort((v[0]).rbegin(), (v[0]).rend()); sort((v[1]).rbegin(), (v[1]).rend()); sort((v[2]).rbegin(), (v[2]).rend()); for (long long i = 1; i <= m; i++) { v[2][i] += v[2][i - 1]; } pair<pair<long long, long long>, pair<long long, long long> > dp[m + 1]; dp[0] = make_pair(make_pair(0, 0), make_pair(0, 0)); for (long long j = 1; j <= m; j++) { long long x = v[0][dp[j - 1].first.second]; long long ff = dp[j - 1].first.first + x; long long fs = dp[j - 1].first.second + 1; long long sf = dp[j - 1].second.first; if (j >= 2) { x = v[1][dp[j - 2].second.first]; if (ff < dp[j - 2].first.first + x) { ff = dp[j - 2].first.first + x; fs = dp[j - 2].first.second; sf = dp[j - 2].second.first + 1; } } dp[j].first.first = ff; dp[j].first.second = fs; dp[j].second.first = sf; if ((m - j) / 3 - 1 >= 0) ans = max(ans, ff + v[2][(m - j) / 3 - 1]); else ans = max(ans, ff); } if (m / 3 > 0) ans = max(ans, v[2][m / 3 - 1]); cout << ans << '\n'; } signed main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long t = 1; start = clock(); cout << fixed << setprecision(20); while (t--) { solve(); } double time_taken = double(clock() - start) / double(CLOCKS_PER_SEC); }
11
CPP
def souvenier_calc(max_weight, weights, value): const = len(weights) ans = [-1061109567 for x in range(max_weight+1)] node = [(x, y) for x, y in zip(weights, value)] node = sorted(node, key=lambda x: x[1]/x[0], reverse=True) weights = [x[0] for x in node] value = [x[1] for x in node] sum = 0 sol = 0 ans[0] = 0 for i in range(const): sum += weights[i] if sum > max_weight: sum = max_weight down = max(weights[i], sum-3) for weight in range(sum, down-1, -1): ans[weight] = max(ans[weight], ans[weight-weights[i]]+value[i]) sol = max(sol, ans[weight]) return sol if __name__ == '__main__': N, M = map(int, input().split()) assert(N <= 10**5 and M <= 3*(10**5)), 'Out of range' weights = [] value = [] for i in range(N): x, y = map(int, input().split()) assert(x >= 1 and x <= 3), 'Out of range' assert(y >= 1 and y <= 10**9), 'Out of range' weights.append(x) value.append(y) print(souvenier_calc(M, weights, value))
11
PYTHON3
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 5; vector<long long> a[4]; struct node { int i, j; long long c; node() : c(0){}; node(int i, int j, long long c) : i(i), j(j), c(c){}; bool operator<(const node& x) const { return c < x.c; } } dp[3 * maxn]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, m; cin >> n >> m; for (int i = 0; i < n; i++) { int w, c; cin >> w >> c; a[w].push_back(c); } int s[4]; for (int i = 1; i <= 3; i++) { sort(a[i].begin(), a[i].end(), greater<long long>()); s[i] = a[i].size(); } for (int i = 1; i < s[3]; i++) a[3][i] += a[3][i - 1]; long long ans = 0; dp[0] = node(0, 0, 0); for (int w = 0; w <= m; w++) { if (w) dp[w] = max(dp[w], dp[w - 1]); if (w + 1 <= m && dp[w].i < s[1]) dp[w + 1] = max(dp[w + 1], node(dp[w].i + 1, dp[w].j, dp[w].c + a[1][dp[w].i])); if (w + 2 <= m && dp[w].j < s[2]) dp[w + 2] = max(dp[w + 2], node(dp[w].i, dp[w].j + 1, dp[w].c + a[2][dp[w].j])); int k = min(s[3], (m - w) / 3); long long cur = dp[w].c + (k ? a[3][k - 1] : 0); ans = max(ans, cur); } cout << ans << endl; return 0; }
11
CPP
import sys from itertools import accumulate def solve(): n, m = map(int, input().split()) w = [[] for i in range(3)] for i in range(n): wi, ci = map(int, sys.stdin.readline().split()) wi -= 1 w[wi].append(ci) for i in range(3): w[i].sort(reverse=True) dp = [0]*(m + 1) used = [[0]*2 for i in range(m + 1)] s0 = len(w[0]) s1 = len(w[1]) if s0 > 0: dp[1] = w[0][0] used[1] = [1, 0] for i in range(2, m + 1): if used[i - 1][0] < s0: dp[i] = dp[i - 1] + w[0][used[i - 1][0]] used[i] = used[i - 1][:] used[i][0] += 1 else: dp[i] = dp[i - 1] used[i] = used[i - 1][:] if used[i - 2][1] < s1 and dp[i] < dp[i - 2] + w[1][used[i - 2][1]]: dp[i] = dp[i - 2] + w[1][used[i - 2][1]] used[i] = used[i - 2][:] used[i][1] += 1 pf = [0] + list(accumulate(w[2])) ans = max(pf[k] + dp[m - 3*k] for k in range(min(len(pf),m // 3 + 1))) print(ans) if __name__ == '__main__': solve()
11
PYTHON3
#include <bits/stdc++.h> using namespace std; const int MAXN = 3e5 + 10; int a[MAXN], b[MAXN], c[MAXN], an = 0, bn = 0, cn = 0; long long sa[MAXN], sb[MAXN], sc[MAXN], dp[MAXN]; bool cmp(int a, int b) { return a > b; } int main() { int n, m; scanf("%d%d", &n, &m); for (int i = 0; i < n; i++) { int w, x; scanf("%d%d", &w, &x); if (w == 1) a[++an] = x; else if (w == 2) b[++bn] = x; else c[++cn] = x; } sort(a + 1, a + 1 + an, cmp); for (int i = 1; i <= m; i++) sa[i] = a[i] + sa[i - 1]; sort(b + 1, b + 1 + bn, cmp); for (int i = 1; 2 * i <= m; i++) sb[i] = b[i] + sb[i - 1]; sort(c + 1, c + 1 + cn, cmp); for (int i = 1; 3 * i <= m; i++) sc[i] = c[i] + sc[i - 1]; dp[1] = a[1]; for (int k = 2; k <= m; k++) { if (b[1] <= a[k] + a[k - 1]) { dp[k] = sa[k]; continue; } int l = 1, r = k / 2 + 1; while (l < r) { int mid = (l + r) >> 1; if (b[mid] > a[k - 2 * mid + 1] + a[k - 2 * mid + 2]) l = mid + 1; else r = mid; } if (l == k / 2 + 1) dp[k] = sb[k / 2] + sa[k - (k / 2) * 2]; else dp[k] = max(sb[l] + sa[k - 2 * l], sb[l - 1] + sa[k - 2 * (l - 1)]); } long long ans = 0; for (int i = 0; i <= cn && 3 * i <= m; i++) ans = max(ans, dp[m - 3 * i] + sc[i]); cout << ans << endl; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; long long int dp[1000005]; long long int p1[1000005]; long long int p2[1000005]; vector<long long int> v[5]; int main() { long long int n, m; scanf("%lld%lld", &n, &m); for (long long int i = 1; i <= n; i++) { long long int w, c; scanf("%lld%lld", &w, &c); v[w].push_back(c); } v[1].resize(m + 2); v[2].resize(m + 2); v[3].resize(m + 2); sort(v[1].begin(), v[1].end(), greater<long long int>()); sort(v[2].begin(), v[2].end(), greater<long long int>()); sort(v[3].begin(), v[3].end(), greater<long long int>()); dp[1] = v[1][0]; p1[1] = 1; p2[1] = 0; long long int ans = dp[1]; for (long long int i = 2; i <= m; i++) { dp[i] = dp[i - 2] + v[1][p1[i - 2]] + v[1][p1[i - 2] + 1]; p1[i] = p1[i - 2] + 2; p2[i] = p2[i - 2]; if (dp[i] < dp[i - 2] + v[2][p2[i - 2]]) { dp[i] = dp[i - 2] + v[2][p2[i - 2]]; p2[i] = p2[i - 2] + 1; p1[i] = p1[i - 2]; } ans = max(ans, dp[i]); } long long int ptr = 0; long long int sum = 0; for (long long int i = 3; i <= m; i += 3) { ans = max(ans, dp[m - i] + sum + v[3][ptr]); sum += v[3][ptr]; ptr++; } cout << ans; return 0; }
11
CPP
n, m = list(map(int, input().split())) a = [[], [], []] for i in range(n): w, c = list(map(int, input().split())) a[w-1].append(c) p = [[0], [0], [0]] for i in range(3): a[i].sort(reverse=True) for x in a[i]: p[i].append(p[i][-1] + x) ans = 0 for i in range(min(m//3, len(a[2])) + 1): w = m - i * 3 if len(a[1]) * 2 + len(a[0]) <= w: ans = max(ans, p[2][i] + p[1][len(a[1])] + p[0][len(a[0])]) continue if not len(a[0]): ans = max(ans, p[2][i] + p[1][min(w//2, len(a[1]))]) continue if 2 + 2 == 4: x = min(len(a[0]), w) y = (w - x) // 2 ans = max(ans, p[2][i] + p[1][y] + p[0][x]) lo = max((w - len(a[0]) + 1) // 2 + 1, 1) hi = min(len(a[1]), w // 2) while lo <= hi: mi = (lo + hi) // 2 if a[1][mi - 1] - (p[0][w-mi*2+2] - p[0][w-mi*2]) > 0: lo = mi + 1 else: hi = mi - 1 ans = max(ans, p[2][i] + p[1][hi] + p[0][w-hi*2]) print(ans)
11
PYTHON3
#include <bits/stdc++.h> using namespace std; const int N = 300003; int n, m; long long bestOne[N]; long long bestTwo[N]; long long bestThree[N]; pair<long long, pair<int, int> > bestOneTwo[N]; int main() { int x, y; scanf("%d%d", &n, &m); vector<pair<int, int> > vec; vector<int> currOne, currTwo, currThree, leftOne, leftTwo, leftThree; for (int i = 0; i < n; i++) { scanf("%d%d", &x, &y); if (x == 1) { currOne.push_back(y); } else if (x == 2) { currTwo.push_back(y); } else if (x == 3) { currThree.push_back(y); } } sort(currOne.rbegin(), currOne.rend()); for (int i = 1; i <= currOne.size(); i++) bestOne[i] = bestOne[i - 1] + currOne[i - 1]; sort(currTwo.rbegin(), currTwo.rend()); for (int i = 1; i <= currTwo.size(); i++) bestTwo[i] = bestTwo[i - 1] + currTwo[i - 1]; sort(currThree.rbegin(), currThree.rend()); for (int i = 1; i <= currThree.size(); i++) bestThree[i] = bestThree[i - 1] + currThree[i - 1]; for (int i = currOne.size() + 1; i < N; i++) bestOne[i] = bestOne[i - 1]; for (int i = currTwo.size() + 1; i < N; i++) bestTwo[i] = bestTwo[i - 1]; for (int i = currThree.size() + 1; i < N; i++) bestThree[i] = bestThree[i - 1]; bestOneTwo[0] = make_pair(0, make_pair(0, 0)); bestOneTwo[1] = make_pair(bestOne[1], make_pair(1, 0)); for (int i = 2; i <= m; i++) { pair<long long, pair<int, int> > last = bestOneTwo[i - 1]; pair<long long, pair<int, int> > bl = bestOneTwo[i - 2]; bestOneTwo[i] = make_pair(bestOne[last.second.first + 1] + bestTwo[last.second.second], make_pair(last.second.first + 1, last.second.second)); if (bestOne[bl.second.first + 2] + bestTwo[bl.second.second] > bestOneTwo[i].first) { bestOneTwo[i] = make_pair(bestOne[bl.second.first + 2] + bestTwo[bl.second.second], make_pair(bl.second.first + 2, bl.second.second)); } if (bestOne[bl.second.first] + bestTwo[bl.second.second + 1] > bestOneTwo[i].first) { bestOneTwo[i] = make_pair(bestOne[bl.second.first] + bestTwo[bl.second.second + 1], make_pair(bl.second.first, bl.second.second + 1)); } } long long ans = 0; for (int i = 0; i * 3 <= m; i++) { int left = m - i * 3; long long curr = bestThree[i]; ans = max(ans, curr + bestOneTwo[left].first); } printf("%I64d", ans); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; struct NODE { long long val, x, y; } dp[100010 * 3]; int cnt[4]; long long pre_sum[4][100010], a[4][100010], ans; inline int read() { int f = 1, x = 0; char ch = getchar(); while (!isdigit(ch)) { if (ch == '-') f = -1; ch = getchar(); } while (isdigit(ch)) { x = (x << 3) + (x << 1) + ch - '0'; ch = getchar(); } return f * x; } inline bool cmp(int x, int y) { return x > y; } int main() { int n = read(), load = read(); for (int i = 1; i <= n; i++) { int w = read(), v = read(); a[w][++cnt[w]] = v; } for (int i = 1; i <= 3; i++) { sort(a[i] + 1, a[i] + cnt[i] + 1, cmp); for (int j = 1; j <= cnt[i]; j++) pre_sum[i][j] = pre_sum[i][j - 1] + a[i][j]; } dp[0].val = dp[0].x = dp[0].y = 0; for (int i = 1; i <= load; i++) { dp[i] = dp[i - 1]; if (dp[i - 1].val + a[1][dp[i - 1].x + 1] > dp[i].val) dp[i].val = dp[i - 1].val + a[1][dp[i - 1].x + 1], dp[i].x = dp[i - 1].x + 1, dp[i].y = dp[i - 1].y; if (i >= 2 && dp[i - 2].val + a[2][dp[i - 2].y + 1] > dp[i].val) dp[i].val = dp[i - 2].val + a[2][dp[i - 2].y + 1], dp[i].x = dp[i - 2].x, dp[i].y = dp[i - 2].y + 1; } ans = 0; for (int i = 0; i <= cnt[3]; i++) if (load >= i * 3) ans = max(ans, dp[load - i * 3].val + pre_sum[3][i]); printf("%lld\n", ans); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; template <class T> T sqr(T x) { return x * x; } template <class T> T gcd(T a, T b) { return (b != 0 ? gcd<T>(b, a % b) : a); } template <class T> T lcm(T a, T b) { return (a / gcd<T>(a, b) * b); } template <class T> inline T bigmod(T p, T e, T M) { if (e == 0) return 1; if (e % 2 == 0) { long long int t = bigmod(p, e / 2, M); return (T)((t * t) % M); } return (T)((long long int)bigmod(p, e - 1, M) * (long long int)p) % M; } template <class T> inline T bigexp(T p, T e) { if (e == 0) return 1; if (e % 2 == 0) { long long int t = bigexp(p, e / 2); return (T)((t * t)); } return (T)((long long int)bigexp(p, e - 1) * (long long int)p); } template <class T> inline T modinverse(T a, T M) { return bigmod(a, M - 2, M); } int dx4[] = {1, 0, -1, 0}; int dy4[] = {0, 1, 0, -1}; int dx8[] = {1, 1, 0, -1, -1, -1, 0, 1}; int dy8[] = {0, 1, 1, 1, 0, -1, -1, -1}; int nx8[] = {1, 1, -1, -1, 2, 2, -2, -2}; int ny8[] = {2, -2, 2, -2, 1, -1, 1, -1}; int month[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; struct T { int w; long long int cost; bool operator<(const T& p) const { if (cost == p.cost) return w > p.w; return cost > p.cost; } } a[100005], b[100005], c[100005]; int n, m, x, c1, c2, c3; long long int xx, a1[100005][2], b1[100005][2], cc1[100005][2]; long long int ternary3(int rem) { long long int ret = 0, tmp1, tmp2; int mid1, mid2; int lo = 1, hi = c1; while (hi - lo >= 5) { mid1 = (2 * lo + hi) / 3; mid2 = (lo + 2 * hi) / 3; tmp1 = 0; tmp2 = 0; if (a1[mid1][0] <= rem) { tmp1 = a1[mid1][1]; } if (a1[mid2][0] <= rem) { tmp2 = a1[mid2][1]; } if (tmp1 >= tmp2) { hi = mid2; ret = max(tmp1, ret); } else { ret = max(tmp2, ret); lo = mid1; } } for (int i = lo; i <= hi; i++) { if (a1[i][0] <= rem) { tmp1 = a1[i][1]; ret = max(ret, tmp1); } } return ret; } long long int ternary2(int rem) { long long int ret = 0, tmp1, tmp2; int mid1, mid2; int lo = 1, hi = c2; while (hi - lo >= 5) { mid1 = (2 * lo + hi) / 3; mid2 = (lo + 2 * hi) / 3; tmp1 = 0; tmp2 = 0; if (b1[mid1][0] <= rem) { tmp1 = b1[mid1][1] + ternary3(rem - b1[mid1][0]); } if (b1[mid2][0] <= rem) { tmp2 = b1[mid2][1] + ternary3(rem - b1[mid2][0]); } if (tmp1 >= tmp2) { hi = mid2; ret = max(tmp1, ret); } else { ret = max(tmp2, ret); lo = mid1; } } for (int i = lo; i <= hi; i++) { if (b1[i][0] <= rem) { tmp1 = b1[i][1] + ternary3(rem - b1[i][0]); ret = max(ret, tmp1); } } ret = max(ret, ternary3(rem)); return ret; } long long int ternary1(int rem) { long long int ret = 0, tmp1, tmp2; int cnt = 300, mid1, mid2; int lo = 1, hi = c3; while (hi - lo >= 5) { mid1 = (2 * lo + hi) / 3; mid2 = (lo + 2 * hi) / 3; tmp1 = 0; tmp2 = 0; if (cc1[mid1][0] <= rem) { tmp1 = cc1[mid1][1] + ternary2(rem - cc1[mid1][0]); } if (cc1[mid2][0] <= rem) { tmp2 = cc1[mid2][1] + ternary2(rem - cc1[mid2][0]); } if (tmp1 >= tmp2) { hi = mid2; ret = max(tmp1, ret); } else { ret = max(tmp2, ret); lo = mid1; } } for (int i = lo; i <= hi; i++) { if (cc1[i][0] <= rem) { tmp1 = cc1[i][1] + ternary2(rem - cc1[i][0]); ret = max(tmp1, ret); } } ret = max(ret, ternary2(rem)); return ret; } int main() { scanf("%d %d", &n, &m); for (__typeof(n) i = (1); i <= (n); i++) { scanf("%d %lld", &x, &xx); if (x == 1) { a[++c1].w = 1; a[c1].cost = xx; } else if (x == 2) { b[++c2].w = 2; b[c2].cost = xx; } else { c[++c3].w = 3; c[c3].cost = xx; } } sort(a + 1, a + c1 + 1); sort(b + 1, b + c2 + 1); sort(c + 1, c + c3 + 1); for (__typeof(c1) i = (1); i <= (c1); i++) { a1[i][0] = a1[i - 1][0] + 1; a1[i][1] = a1[i - 1][1] + a[i].cost; } for (__typeof(c2) i = (1); i <= (c2); i++) { b1[i][0] = b1[i - 1][0] + 2; b1[i][1] = b1[i - 1][1] + b[i].cost; } for (__typeof(c3) i = (1); i <= (c3); i++) { cc1[i][0] = cc1[i - 1][0] + 3; cc1[i][1] = cc1[i - 1][1] + c[i].cost; } long long int res = ternary1(m); cout << res; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; long long cost[4][300100]; vector<long long> val[4]; long long cal(long long x) { long long sz = val[2].size(); long long l = 1, r = min(x / 2, sz), best = 0; while (l <= r) { long long mid = (l + r) / 2; if (cost[2][mid * 2] + cost[1][x - mid * 2] >= cost[2][(mid - 1) * 2] + cost[1][x - (mid - 1) * 2]) { best = mid; l = mid + 1; } else { r = mid - 1; } } return cost[2][best * 2] + cost[1][x - best * 2]; } int main() { int t = 1; while (t--) { long long n, m; cin >> n >> m; for (long long i = 1; i <= n; i++) { long long x, y; cin >> x >> y; val[x].push_back(y); } for (long long i = 1; i <= 3; i++) { sort(val[i].begin(), val[i].end()); reverse(val[i].begin(), val[i].end()); long long now = 0; for (long long j = 0; j < val[i].size(); j++) { now += val[i][j]; cost[i][(j + 1) * i] = now; } for (long long j = 1; j <= m; j++) { cost[i][j] = max(cost[i][j], cost[i][j - 1]); } } long long ans = 0; for (long long i = 0; i <= m; i++) { ans = max(ans, cost[3][i] + cal(m - i)); } cout << ans << endl; memset(cost, 0, sizeof(cost)); for (long long i = 0; i <= 3; i++) val[i].clear(); } return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; using ll = long long; const int N = 300010; struct { ll v; ll c1, c2; } dp[N]; int num[4], n, m; ll a[4][N], s[4][N]; int main() { scanf("%d%d", &n, &m); memset(num, 0, sizeof num); memset(dp, 0, sizeof dp); for (int i = 1; i <= n; ++i) { ll w, c; scanf("%I64d%I64d", &w, &c); a[w][++num[w]] = c; } for (int i = 1; i <= 3; ++i) { s[i][0] = 0; sort(a[i] + 1, a[i] + num[i] + 1, [](const int &a, const int &b) { return a > b; }); for (int j = 1; j <= num[i]; ++j) s[i][j] = s[i][j - 1] + a[i][j]; } dp[0].v = dp[0].c1 = dp[0].c2 = 0; for (int i = 1; i <= m; ++i) { if (dp[i - 1].v + a[1][dp[i - 1].c1 + 1] > dp[i].v) { dp[i].v = dp[i - 1].v + a[1][dp[i - 1].c1 + 1]; dp[i].c1 = dp[i - 1].c1 + 1; dp[i].c2 = dp[i - 1].c2; } if (i > 1 && dp[i - 2].v + a[2][dp[i - 2].c2 + 1] > dp[i].v) { dp[i].v = dp[i - 2].v + a[2][dp[i - 2].c2 + 1]; dp[i].c1 = dp[i - 2].c1; dp[i].c2 = dp[i - 2].c2 + 1; } } ll ans = 0; for (int i = 0; i <= num[3]; ++i) { if (m >= i * 3) ans = max(ans, s[3][i] + dp[m - i * 3].v); } printf("%I64d\n", ans); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; using ll = long long; int n; struct data { ll cost; int cnt1, cnt2, cnt3; } d[300010]; ll m, c1[100010], c2[100010], c3[100010], t1 = 0, t2 = 0, t3 = 0; bool cmp(ll a, ll b) { return a > b; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n >> m; for (int i = 1; i <= n; ++i) { int a; ll b; cin >> a >> b; if (a == 1) { ++t1; c1[t1] = b; } if (a == 2) { ++t2; c2[t2] = b; } if (a == 3) { ++t3; c3[t3] = b; } } d[0] = {0, 0, 0}; sort(c1 + 1, c1 + 1 + t1, cmp); sort(c2 + 1, c2 + 1 + t2, cmp); sort(c3 + 1, c3 + 1 + t3, cmp); for (int i = 1; i <= m; ++i) { if (i >= 1) { if (d[i - 1].cnt1 < t1 && d[i - 1].cost + c1[d[i - 1].cnt1 + 1] > d[i].cost) { d[i].cost = d[i - 1].cost + c1[d[i - 1].cnt1 + 1]; d[i].cnt1 = d[i - 1].cnt1 + 1; d[i].cnt2 = d[i - 1].cnt2; d[i].cnt3 = d[i - 1].cnt3; } } if (i >= 2) { if (d[i - 2].cnt2 < t2 && d[i - 2].cost + c2[d[i - 2].cnt2 + 1] > d[i].cost) { d[i].cost = d[i - 2].cost + c2[d[i - 2].cnt2 + 1]; d[i].cnt1 = d[i - 2].cnt1; d[i].cnt2 = d[i - 2].cnt2 + 1; d[i].cnt3 = d[i - 2].cnt3; } if (d[i - 2].cnt1 > 0 && d[i - 2].cnt3 < t3) { if (d[i - 2].cost - c1[d[i - 2].cnt1] + c3[d[i - 2].cnt3 + 1] > d[i].cost) { d[i].cost = d[i - 2].cost - c1[d[i - 2].cnt1] + c3[d[i - 2].cnt3 + 1]; d[i].cnt1 = d[i - 2].cnt1 - 1; d[i].cnt2 = d[i - 2].cnt2; d[i].cnt3 = d[i - 2].cnt3 + 1; } } } if (i >= 3) { if (d[i - 3].cnt3 < t3 && d[i - 3].cost + c3[d[i - 3].cnt3 + 1] > d[i].cost) { d[i].cost = d[i - 3].cost + c3[d[i - 3].cnt3 + 1]; d[i].cnt1 = d[i - 3].cnt1; d[i].cnt2 = d[i - 3].cnt2; d[i].cnt3 = d[i - 3].cnt3 + 1; } } } ll ans = 0; for (int i = 1; i <= m; ++i) ans = max(ans, d[i].cost); cout << ans; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; int n, M, m, k; long long now, ans, f_min[25], f_max[25]; struct ff { long long w, p; bool operator<(const ff b) const { return ((long long)b.p * w < (long long)p * b.w) || ((long long)b.p * w == (long long)p * b.w && w < b.w); } } a[100005]; int read() { int ret = 0; bool f = 0; char ch = getchar(); while (ch < '0' || ch > '9') f |= (ch == '-'), ch = getchar(); while (ch >= '0' && ch <= '9') ret = ret * 10 + ch - '0', ch = getchar(); return f ? -ret : ret; } int main() { n = read(), M = m = read(); for (int i = 1; i <= n; i++) a[i].w = read(), a[i].p = read(); sort(a + 1, a + 1 + n); for (k = 1; k <= n && m; k++) if (m >= a[k].w) m -= a[k].w, ans += a[k].p; else break; k--; if (k == n) { printf("%I64d\n", ans); return 0; } memset(f_min, 63, sizeof f_min), f_min[0] = 0; for (int i = 1; i <= k; i++) for (int j = 10; j >= a[i].w; j--) if (f_min[j - a[i].w] + a[i].p < f_min[j]) f_min[j] = f_min[j - a[i].w] + a[i].p; for (int i = k + 1; i <= n; i++) for (int j = 20; j >= a[i].w; j--) if (f_max[j - a[i].w] + a[i].p > f_max[j]) f_max[j] = f_max[j - a[i].w] + a[i].p; now = ans; for (int i = 0; i <= 10; i++) if (now - f_min[i] + f_max[m + i] > ans) ans = now - f_min[i] + f_max[m + i]; printf("%I64d\n", ans); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; long long int n, m; vector<long long int> a[4]; vector<double> b[4]; pair<long long int, pair<int, int> > a1[300010]; int main() { cin >> n >> m; for (int i = 0; i < n; i++) { long long int k, l; cin >> k >> l; a[k].push_back(l); } for (int i = 1; i < 4; i++) { sort(a[i].begin(), a[i].end(), greater<long long int>()); } a1[0].first = 0; a1[0].second.first = 0; a1[0].second.second = 0; a1[1].first = 0; a1[1].second.first = 0; a1[1].second.second = 0; if (a[1].size() > 0) { a1[1].first = a[1][0]; a1[1].second.first = 1; } long long int ans = 0; for (int i = 2; i <= m; i++) { if ((a[1].size() > a1[i - 1].second.first) and (a[2].size() > a1[i - 2].second.second)) { if (a1[i - 1].first + a[1][a1[i - 1].second.first] >= a1[i - 2].first + a[2][a1[i - 2].second.second]) { a1[i].first = a1[i - 1].first + a[1][a1[i - 1].second.first]; a1[i].second.first = a1[i - 1].second.first + 1; a1[i].second.second = a1[i - 1].second.second; } else { a1[i].first = a1[i - 2].first + a[2][a1[i - 2].second.second]; a1[i].second.first = a1[i - 2].second.first; a1[i].second.second = a1[i - 2].second.second + 1; } } else if (a[1].size() > a1[i - 1].second.first) { if (a1[i - 1].first + a[1][a1[i - 1].second.first] >= a1[i - 2].first) { a1[i].first = a1[i - 1].first + a[1][a1[i - 1].second.first]; a1[i].second.first = a1[i - 1].second.first + 1; a1[i].second.second = a1[i - 1].second.second; } else { a1[i].first = a1[i - 2].first; a1[i].second.first = a1[i - 2].second.first; a1[i].second.second = a1[i - 2].second.second; } } else if (a[2].size() > a1[i - 2].second.second) { if (a1[i - 1].first >= a1[i - 2].first + a[2][a1[i - 2].second.second]) { a1[i].first = a1[i - 1].first; a1[i].second.first = a1[i - 1].second.first; a1[i].second.second = a1[i - 1].second.second; } else { a1[i].first = a1[i - 2].first + a[2][a1[i - 2].second.second]; a1[i].second.first = a1[i - 2].second.first; a1[i].second.second = a1[i - 2].second.second + 1; } } else { if (a1[i - 1].first >= a1[i - 2].first) { a1[i].first = a1[i - 1].first; a1[i].second.first = a1[i - 1].second.first; a1[i].second.second = a1[i - 1].second.second; } else { a1[i].first = a1[i - 2].first; a1[i].second.first = a1[i - 2].second.first; a1[i].second.second = a1[i - 2].second.second; } } } long long int k = 0; for (int i = 0; i <= m; i += 3) { if (a1[m - i].first + k > ans) ans = a1[m - i].first + k; if (i / 3 < a[3].size()) k += a[3][i / 3]; } cout << ans; }
11
CPP
#include <bits/stdc++.h> using namespace std; const long long INF = 1e17L; const int inf = 0x3f3f3f3f; const int maxn = 1e5 + 5; const int Mod = 1e9 + 7; struct Souvenirs { int w, c; bool friend operator<(Souvenirs x, Souvenirs y) { return ((double)x.c / x.w) > ((double)y.c / y.w); } } a[maxn]; int n, m; long long dp[3 * maxn]; int main() { scanf("%d%d", &n, &m); for (int i = 1; i <= n; i++) scanf("%d%d", &a[i].w, &a[i].c); sort(a + 1, a + n + 1); for (int i = 1; i <= m; i++) dp[i] = -INF; dp[0] = 0; int up = 0; long long ans = 0; for (int i = 1; i <= n; i++) { up += a[i].w; if (up > m) up = m; int least = max(a[i].w, up - 3); for (int j = up; j >= least; j--) { dp[j] = max(dp[j], dp[j - a[i].w] + a[i].c); ans = max(ans, dp[j]); } } printf("%I64d\n", ans); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; long n, m; vector<long long> w[3]; long long f(long mid, long tot) { if (2 * mid > tot) return -(1 >> 30); if (mid < w[1].size() && (tot - 2 * mid) < w[0].size()) return w[1][mid] + w[0][tot - 2 * mid]; else if (mid < w[1].size()) return w[1][mid] + w[0][w[0].size() - 1]; else if ((tot - 2 * mid) < w[0].size()) return w[1][w[1].size() - 1] + w[0][tot - 2 * mid]; else return w[1][w[1].size() - 1] + w[0][w[0].size() - 1]; } long long ternary(long y) { long l = 0, r = y / 2; while (r - l >= 3) { long m1 = l + (r - l) / 3; long m2 = r - (r - l) / 3; long long f1 = f(m1, y); long long f2 = f(m2, y); if (f1 < f2) l = m1; else r = m2; } long long ans = 0; for (long i = l; i <= r; i++) { ans = max(ans, f(i, y)); } return ans; } int main() { cin >> n >> m; long i, j, we, c; for (i = 0; i < n; i++) { cin >> we >> c; w[we - 1].push_back(c); } for (i = 0; i < 3; i++) { sort(w[i].begin(), w[i].end(), greater<long>()); } for (i = 0; i < 3; i++) w[i].insert(w[i].begin(), 0); for (i = 0; i < 3; i++) { for (j = 1; j < w[i].size(); j++) { w[i][j] += w[i][j - 1]; } } long long ans = 0; for (i = 0; i < w[2].size() && i * 3 <= m; i++) { ans = max(ans, w[2][i] + ternary(m - 3 * i)); } cout << ans << endl; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; int n, m; long long w[200009], c[200009], pre[10][200009]; vector<long long> v[10]; inline bool check(int mid, int curr1, int curr2) { if (v[1][curr1 - 2 * (mid - 1) - 1] + v[1][curr1 - 2 * (mid - 1) - 2] <= v[2][curr2 + (mid - 1)]) { return true; } return false; } inline long long calc_max(int i) { long long ans1 = 0, ans2 = 0; int req = m - (i * 3), curr1 = 0, curr2 = 0; if (v[1].size() == 0) { curr1 = 0; } else if (v[1].size() <= req) { curr1 = v[1].size(); ans1 = pre[1][curr1 - 1]; } else { curr1 = req; ans1 = pre[1][curr1 - 1]; } req = req - curr1; if (v[2].size() == 0) { curr2 = 0; } else if (2 * (int)v[2].size() <= req) { curr2 = v[2].size(); ans2 = pre[2][curr2 - 1]; } else { curr2 = req / 2; ans2 = pre[2][curr2 - 1]; } req = req - (curr2 * 2); if (curr1 == v[1].size() && curr2 == v[2].size()) { return ans1 + ans2; } if (curr1 == 0 && curr2 == 0) { return 0; } if (curr1 == 0 || curr2 == v[2].size()) { return ans1 + ans2; } if (req) { if (v[1][curr1 - 1] <= v[2][curr2]) { ans1 -= v[1][curr1 - 1]; ans2 += v[2][curr2]; curr2++; curr1--; req--; } } if (curr1 < 2 || curr2 == v[2].size()) { return ans1 + ans2; } if (v[1][curr1 - 1] + v[1][curr1 - 2] > v[2][curr2]) { return ans1 + ans2; } int low = 1, high = min((curr1 / 2), (int)v[2].size() - curr2); while (low < high) { int mid = low + ((high - low + 1) / 2); if (check(mid, curr1, curr2)) { low = mid; } else { high = mid - 1; } } if (check(low, curr1, curr2)) { } else { } ans1 = ans1 - (pre[1][curr1 - 1] - pre[1][curr1 - 2 * low - 1]); ans2 = ans2 + (pre[2][curr2 + (low - 1)] - pre[2][curr2 - 1]); return ans1 + ans2; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> n >> m; for (int i = 1; i <= n; i++) { cin >> w[i] >> c[i]; v[w[i]].push_back(c[i]); } for (int i = 1; i <= 3; i++) { sort(v[i].begin(), v[i].end(), greater<long long>()); if (v[i].size() >= 1) { pre[i][0] = v[i][0]; } for (int j = 1; j < v[i].size(); j++) { pre[i][j] = pre[i][j - 1] + v[i][j]; } } long long ans = 0, s = 0; for (int i = 0; i <= v[3].size(); i++) { if (m - (i * 3) >= 0) { if (i) { s = s + v[3][i - 1]; } ans = max(ans, s + calc_max(i)); } } cout << ans << "\n"; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f; const long long LINF = 0x3f3f3f3f3f3f3f3f; const int MOD = 1e9 + 7; const int N = 3e5 + 7; struct node { int w, c; double v; node() {} node(int w, int c) : w(w), c(c) { v = (double)c / w; } bool operator<(const node &rhs) const { return v > rhs.v; } } a[N]; int n, m; long long dp[N]; void Init() { for (int i = (1); i < (n + 1); ++i) { int w, c; scanf("%d%d", &w, &c); a[i] = node(w, c); } sort(a + 1, a + n + 1); } int Solve() { int V = 0; long long ans = 0; for (int i = (1); i < (n + 1); ++i) { V = min(V + a[i].w, m); for (int j = (V + 1) - 1; j >= (max(V - 3, a[i].w)); --j) { dp[j] = max(dp[j], dp[j - a[i].w] + a[i].c); ans = max(ans, dp[j]); } } return printf("%I64d\n", ans); } int main() { while (~scanf("%d%d", &n, &m)) { Init(); Solve(); } return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; struct nr { int w, val; } v[100005]; int cmp(nr a, nr b) { return 1LL * a.val * b.w > 1ll * b.val * a.w; } long long dp[300005]; int main() { int n, m, curw = 0, i, j; long long rasp = 0; scanf("%d%d", &n, &m); for (i = 1; i <= n; i++) scanf("%d%d", &v[i].w, &v[i].val); sort(v + 1, v + n + 1, cmp); for (i = 1; i <= n; i++) { curw = min(curw + v[i].w, m); for (j = min(m, curw); j >= max(v[i].w, curw - 3); j--) { dp[j] = max(dp[j], dp[j - v[i].w] + v[i].val); rasp = max(rasp, dp[j]); } } printf("%lld\n", rasp); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int MAXN = 3e5 + 10; long long a[MAXN], b[MAXN], c[MAXN]; long long va[MAXN], vb[MAXN], vc[MAXN]; int n, m, indxa = 1, indxb = 1, indxc = 1; bool cmp(long long a, long long b) { return a > b; } void get_v(void) { for (int i = 1; i <= m; i++) { va[i] = va[i - 1] + a[i]; } for (int i = 1; i * 2 <= m; i++) { vb[i << 1] = vb[(i - 1) << 1] + b[i]; vb[(i << 1) - 1] = vb[(i - 1) << 1]; } for (int i = 1; i * 3 <= m; i++) { vc[i * 3] = vc[(i - 1) * 3] + c[i]; vc[i * 3 - 1] = vc[(i - 1) * 3]; vc[i * 3 - 2] = vc[(i - 1) * 3]; } } long long f(int x, int w) { return vb[x * 2] + va[w - x * 2]; } long long find(int w) { if (w <= 0) return 0; int l = 0, r = w / 2; while (l < r - 1) { int lmid = (l + r) >> 1; int rmid = (lmid + r) >> 1; if (f(lmid, w) > f(rmid, w)) r = rmid; else l = lmid; } return max(max(max(f(l, w), f(r, w)), f(0, w)), f(w / 2, w)); } int main(void) { long long ans = 0; scanf("%d%d", &n, &m); for (int i = 0; i < n; i++) { int x, y; scanf("%d%d", &x, &y); if (x == 1) a[indxa++] = y; else if (x == 2) b[indxb++] = y; else c[indxc++] = y; } sort(a + 1, a + indxa, cmp); sort(b + 1, b + indxb, cmp); sort(c + 1, c + indxc, cmp); get_v(); for (int i = 0; i * 3 <= m; i++) { long long cnt = vc[i * 3]; cnt += find(m - i * 3); ans = ans > cnt ? ans : cnt; } printf("%lld\n", ans); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 300200; struct Node { int a, b; long long v; } dp[maxn]; long long n, w, a[4][maxn], sum[maxn]; int a1, b1, c1; int main() { int x; long long y; scanf("%lld%lld", &n, &w); a1 = b1 = c1 = 0; for (int i = 0; i < n; i++) { scanf("%d%lld", &x, &y); if (x == 1) a[1][++a1] = y; if (x == 2) a[2][++b1] = y; if (x == 3) a[3][++c1] = y; } sort(a[1] + 1, a[1] + a1 + 1, greater<long long>()); sort(a[2] + 1, a[2] + b1 + 1, greater<long long>()); sort(a[3] + 1, a[3] + c1 + 1, greater<long long>()); for (int i = 1; i <= c1; i++) sum[i] = sum[i - 1] + a[3][i]; dp[0].a = 0; dp[0].b = 0; dp[0].v = 0; for (int i = 1; i <= w; i++) { dp[i] = dp[i - 1]; if (dp[i - 1].a < a1 && dp[i - 1].v + a[1][dp[i - 1].a + 1] > dp[i].v) { dp[i] = dp[i - 1]; dp[i].v += a[1][dp[i - 1].a + 1]; dp[i].a++; } if (i >= 2 && dp[i - 2].b < b1 && dp[i - 2].v + a[2][dp[i - 2].b + 1] > dp[i].v) { dp[i] = dp[i - 2]; dp[i].v += a[2][dp[i - 2].b + 1]; dp[i].b++; } } long long cnt = dp[w].v; for (int i = 1; i <= c1; i++) { if (w >= i * 3) cnt = max(cnt, sum[i] + dp[w - 3 * i].v); } printf("%lld\n", cnt); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const long long N = (2e5 + 5); const long long MOD = 10243; const long long INF = 1e16; const long long LOG = 29; long long binpow(long long a, long long b) { a %= MOD; long long res = 1; while (b > 0) { if (b & 1) res = (res * a) % MOD; a = (a * a) % MOD; b >>= 1; } res %= MOD; return res; } struct gg { long long ans; long long one; long long two; }; gg dp[300005]; vector<long long> w[4]; void solve() { long long n, m; cin >> n >> m; long long lol[n + 1], c[n + 1]; for (int i = 1; i <= n; i++) { cin >> lol[i] >> c[i]; w[lol[i]].push_back(c[i]); } for (int i = 1; i <= 3; i++) { sort(w[i].begin(), w[i].end(), greater<long long>()); } dp[0].ans = 0; dp[0].one = 0; dp[0].two = 0; for (int i = 1; i <= m; i++) { dp[i] = {0, 0, 0}; } if (m == 1) { long long i = 0; long long wp = dp[i].one; if (wp >= w[1].size()) wp = 0; else wp = w[1][wp]; long long x = 1; if (wp == 0) x = 0; if (dp[i].ans + wp > dp[i + 1].ans) { dp[i + 1].ans = dp[i].ans + wp; dp[i + 1].one = dp[i].one + x; dp[i + 1].two = dp[i].two; } } for (int i = 0; i <= m - 2; i++) { long long wp = dp[i].one; if (wp >= w[1].size()) wp = 0; else wp = w[1][wp]; long long x = 1; if (wp == 0) x = 0; if (dp[i].ans + wp > dp[i + 1].ans) { dp[i + 1].ans = dp[i].ans + wp; dp[i + 1].one = dp[i].one + x; dp[i + 1].two = dp[i].two; } long long o = dp[i].one; long long t = dp[i].two; if ((o + 1) >= w[1].size() && t >= w[2].size()) { if (dp[i + 2].ans < dp[i].ans) { dp[i + 2] = dp[i]; } continue; } if ((o + 1) >= w[1].size()) { if (dp[i].ans + w[2][t] > dp[i + 2].ans) { dp[i + 2].ans = dp[i].ans + w[2][t]; dp[i + 2].two = dp[i].two + 1; dp[i + 2].one = dp[i].one; } } else if (t >= w[2].size()) { if (dp[i].ans + w[1][o] + w[1][o + 1] > dp[i + 2].ans) { dp[i + 2].ans = dp[i].ans + w[1][o] + w[1][o + 1]; dp[i + 2].two = dp[i].two; dp[i + 2].one = dp[i].one + 2; } } else { if (w[1][o] + w[1][o + 1] > w[2][t]) { if (dp[i].ans + w[1][o] + w[1][o + 1] > dp[i + 2].ans) { dp[i + 2].ans = dp[i].ans + w[1][o] + w[1][o + 1]; dp[i + 2].two = dp[i].two; dp[i + 2].one = dp[i].one + 2; } } else { if (dp[i].ans + w[2][t] > dp[i + 2].ans) { dp[i + 2].ans = dp[i].ans + w[2][t]; dp[i + 2].two = dp[i].two + 1; dp[i + 2].one = dp[i].one; } } } } long long ans = 0; long long sum = 0; for (long long x = 0; x < w[3].size(); x++) { if (3 * (x + 1) > m) break; sum += w[3][x]; ans = max(ans, sum + dp[m - 3 * (x + 1)].ans); } for (int i = 1; i <= m; i++) { ans = max(ans, dp[i].ans); } cout << ans << "\n"; } int main() { ios_base::sync_with_stdio(0); cin.tie(NULL); long long t = 1; while (t--) { solve(); } return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int inf = 0x3f3f3f3f; const long long inff = 0x3f3f3f3f3f3f3f3f; const int mod = 998244353; const double eps = 1e-9; const int maxV = 3e5 + 5; int n, V, mV, a[maxV], tot; long long dp[5][maxV]; vector<long long> w[5]; void solve(int l, int r, int L, int R, int id) { if (l > r) return; int pos = L, mid = l + r >> 1; for (int i = max(mid - (int)w[id].size(), L); i <= min(mid, R); i++) { if (dp[id][a[mid]] < dp[id - 1][a[i]] + (i == mid ? 0 : w[id][mid - i - 1])) { dp[id][a[mid]] = dp[id - 1][a[i]] + (i == mid ? 0 : w[id][mid - i - 1]); pos = i; } } solve(l, mid - 1, L, pos, id); solve(mid + 1, r, pos, R, id); } namespace fastIO { static char buf[100000], *h = buf, *d = buf; template <typename T> inline void read(T& x) { int f = 1; x = 0; register char c( h == d && (d = (h = buf) + fread(buf, 1, 100000, stdin), h == d) ? EOF : *h++); while (c > '9' || c < '0') { if (c == '-') f = -1; c = h == d && (d = (h = buf) + fread(buf, 1, 100000, stdin), h == d) ? EOF : *h++; } while (c <= '9' && c >= '0') x = (x << 1) + (x << 3) + (c ^ 48), c = h == d && (d = (h = buf) + fread(buf, 1, 100000, stdin), h == d) ? EOF : *h++; x *= f; } template <typename T> void output(T x) { if (x < 0) { putchar('-'); x = ~(x - 1); } static int s[20], top = 0; while (x) { s[++top] = x % 10; x /= 10; } if (!top) s[++top] = 0; while (top) putchar(s[top--] + '0'); } } // namespace fastIO using fastIO::output; using fastIO::read; int main() { read(n), read(V); for (int i = (1); i <= (int)(n); ++i) { int c, w0; read(c), read(w0); w[c].push_back(w0); mV = max(mV, c); } for (int i = (1); i <= (int)(mV); ++i) { sort(w[i].begin(), w[i].end(), greater<int>()); for (int j = 1; j < w[i].size(); j++) { w[i][j] += w[i][j - 1]; } } for (int i = (1); i <= (int)(mV); ++i) { for (int j = (0); j <= (int)(i - 1); ++j) { tot = 0; for (int k = j; k <= V; k += i) { a[++tot] = k; } solve(1, tot, 1, tot, i); } } int flag = 0; printf("%lld\n", dp[mV][V]); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; long long gcd(long long a, long long b) { return b == 0 ? a : gcd(b, a % b); } const int MAXN = 100000; const int MAXCAP = 300000; typedef struct R { int w, c; } R; bool operator<(const R &a, const R &b) { return (long long)a.c * b.w > (long long)b.c * a.w; } int n, cap; R r[MAXN]; multiset<int> have[4]; multiset<int> avail[4]; long long getlargest(multiset<int> &a, int cnt) { if (((int)(a).size()) < cnt) return INT_MIN; auto it = a.end(); long long ret = 0; for (int i = (0); i < (cnt); ++i) { --it; ret += *it; } return ret; } long long getsmallest(multiset<int> &a, int cnt) { if (((int)(a).size()) < cnt) return INT_MAX; auto it = a.begin(); long long ret = 0; for (int i = (0); i < (cnt); ++i) { ret += *it; ++it; } return ret; } void removeone(multiset<int> &a, int val) { auto it = a.find(val); if (it == a.end()) printf("err (%d)\n", val); else a.erase(it); } void take(int cnt, int type) { for (int i = (0); i < (cnt); ++i) { long long cur = getlargest(avail[type], 1); removeone(avail[type], cur); have[type].insert(cur); } } void remove(int cnt, int type) { for (int i = (0); i < (cnt); ++i) { long long cur = getsmallest(have[type], 1); removeone(have[type], cur); avail[type].insert(cur); } } void run() { scanf("%d%d", &n, &cap); for (int i = (0); i < (n); ++i) scanf("%d%d", &r[i].w, &r[i].c); sort(r, r + n); int left = cap; for (int i = (0); i < (4); ++i) have[i].clear(), avail[i].clear(); for (int i = (0); i < (n); ++i) avail[r[i].w].insert(r[i].c); long long ret = 0; for (int i = (0); i < (n); ++i) { if (r[i].w > left) break; left -= r[i].w; ret += r[i].c; have[r[i].w].insert(r[i].c); removeone(avail[r[i].w], r[i].c); } while (left >= 1) { long long best = 0; int besttype = -1; { long long cur = getlargest(avail[1], 1); if (cur > best) best = cur, besttype = 0; } { long long cur = getlargest(avail[2], 1) - getsmallest(have[1], 1); if (cur > best) best = cur, besttype = 1; } { long long cur = getlargest(avail[2], 2) - getsmallest(have[3], 1); if (cur > best) best = cur, besttype = 2; } { long long cur = getlargest(avail[3], 1) - getsmallest(have[2], 1); if (cur > best) best = cur, besttype = 3; } { long long cur = getlargest(avail[3], 1) - getsmallest(have[1], 2); if (cur > best) best = cur, besttype = 4; } if (besttype == -1) break; if (besttype == 0) take(1, 1); else if (besttype == 1) take(1, 2), remove(1, 1); else if (besttype == 2) take(2, 2), remove(1, 3); else if (besttype == 3) take(1, 3), remove(1, 2); else if (besttype == 4) take(1, 3), remove(2, 1); ret += best; --left; } while (left >= 2) { long long best = 0; int besttype = -1; { long long cur = getlargest(avail[2], 1); if (cur > best) best = cur, besttype = 0; } { long long cur = getlargest(avail[3], 1) - getsmallest(have[1], 1); if (cur > best) best = cur, besttype = 1; } { long long cur = getlargest(avail[3], 2) - getsmallest(have[2], 2); if (cur > best) best = cur, besttype = 2; } if (besttype == -1) break; if (besttype == 0) take(1, 2); else if (besttype == 1) take(1, 3), remove(1, 1); else if (besttype == 2) take(2, 3), remove(2, 2); ret += best; --left; } printf("%lld\n", ret); } int main() { run(); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; int n, m; struct Souvenir { int w, c; bool operator<(const Souvenir &ot) const { if (ot.w == w) return c > ot.c; return w < ot.w; } } s[100002]; int cnt[3]; long long sum[3][100002]; long long ans; long long cost(int i, int w) { return sum[1][i] + sum[0][min(cnt[0], w - 2 * i)]; } int bs(int w) { int i = 0, p = 1 << 16; while (p) { if (i + p <= cnt[1] && ((i + p) * 2 <= w) && (cost(i + p, w) >= cost(i + p - 1, w))) i += p; p >>= 1; } return i; } int main() { scanf("%d %d", &n, &m); for (int i = 1; i <= n; ++i) { scanf("%d %d", &s[i].w, &s[i].c); ++cnt[--s[i].w]; } sort(s + 1, s + n + 1); int j = 0, crt = 0; for (int i = 1; i <= n; ++i) { if (s[i].w != s[i - 1].w) j = 0; crt = s[i].w; ++j; sum[crt][j] = sum[crt][j - 1] + 1LL * s[i].c; } for (int i = 0; i <= cnt[2] && m >= 3 * i; ++i) { int nr2 = bs(m - 3 * i), nr1 = min(cnt[0], m - 2 * nr2 - 3 * i); ans = max(ans, sum[0][nr1] + sum[1][nr2] + sum[2][i]); } printf("%lld\n", ans); return 0; }
11
CPP
import sys n, m = map(int, input().split()) w1 = [] w2 = [] w3 = [10**10] for w, c in (map(int, l.split()) for l in sys.stdin): if w == 1: w1.append(c) elif w == 2: w2.append(c) else: w3.append(c) w1.sort(reverse=True) w2.sort(reverse=True) w3.sort(reverse=True) w3[0] = 0 w1_size, w2_size = len(w1), len(w2) dp = [(0, 0, 0) for _ in range(m+3)] for i in range(m): dp[i+1] = max(dp[i+1], dp[i]) if dp[i][1] < w1_size: dp[i+1] = max(dp[i+1], (dp[i][0]+w1[dp[i][1]], dp[i][1]+1, dp[i][2])) if dp[i][2] < w2_size: dp[i+2] = max(dp[i+2], (dp[i][0]+w2[dp[i][2]], dp[i][1], dp[i][2]+1)) ans = 0 w3_c = 0 for i in range(len(w3)): if i*3 > m: continue w3_c += w3[i] ans = max(ans, w3_c + dp[m-i*3][0]) print(ans)
11
PYTHON3
#include <bits/stdc++.h> using namespace std; typedef struct status { long long val; long long cnt1; long long cnt2; } status; vector<long long> v[4]; status s[300001]; int main() { int n, m, w; long long c, ans, add; scanf("%d%d", &n, &m); for (int i = 0; i < n; i++) { scanf("%d%I64d", &w, &c); v[w].push_back(c); } for (int i = 1; i <= 3; i++) { sort(v[i].begin(), v[i].end()); reverse(v[i].begin(), v[i].end()); } for (int i = 1; i <= m; i++) { if (s[i - 1].cnt1 < v[1].size()) { s[i].val = s[i - 1].val + v[1][s[i - 1].cnt1]; s[i].cnt1 = s[i - 1].cnt1 + 1; s[i].cnt2 = s[i - 1].cnt2; } if (i >= 2 && s[i - 2].cnt2 < v[2].size() && s[i].val < s[i - 2].val + v[2][s[i - 2].cnt2]) { s[i].val = s[i - 2].val + v[2][s[i - 2].cnt2]; s[i].cnt1 = s[i - 2].cnt1; s[i].cnt2 = s[i - 2].cnt2 + 1; } } for (int i = 1; i <= m; i++) if (s[i].val < s[i - 1].val) s[i].val = s[i - 1].val; ans = 0; add = 0; for (int i = 0; i <= v[3].size() && m - 3 * i >= 0; i++) { if (s[m - 3 * i].val + add > ans) ans = s[m - 3 * i].val + add; if (i < v[3].size()) add += v[3][i]; } printf("%I64d\n", ans); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; int main() { long long n, m; cin >> n >> m; vector<long long> a3, a2, a1; for (int i = 0; i < n; i++) { long long w, c; cin >> w >> c; if (w == 3) a3.push_back(c); else if (w == 2) a2.push_back(c); else a1.push_back(c); } sort(a2.begin(), a2.end()); sort(a1.begin(), a1.end()); reverse(a1.begin(), a1.end()); reverse(a2.begin(), a2.end()); vector<pair<pair<long long, long long>, pair<long long, long long> > > comb; long long second = 0, sw = 0; int i = 0, j = 0; int s1 = (int)a1.size(), s2 = (int)a2.size(); while (i < s1 && j < s2) { long long k1 = 2ll * a1[i]; if (k1 > a2[j]) { second += a1[i]; sw += 1; comb.push_back({{second, sw}, {i + 1, j}}); i++; } else { second += a2[j]; sw += 2; comb.push_back({{second, sw}, {i, j + 1}}); j++; } } while (i < s1) { second += a1[i]; sw += 1; comb.push_back({{second, sw}, {i + 1, j}}); i++; } while (j < s2) { second += a2[j]; sw += 2; comb.push_back({{second, sw}, {i, j + 1}}); j++; } a1.push_back(0ll); a2.push_back(0ll); sort(a3.begin(), a3.end()); reverse(a3.begin(), a3.end()); s2 = (int)comb.size(); long long mx = 0; long long tempscore = 0; long long tl = 0; for (int i = 0; i <= (int)a3.size(); i++) { long long ma = m - 3ll * i; tempscore = 0; if (i >= 1) tl += a3[i - 1]; tempscore = tl; if (ma < 0) break; if (ma >= comb[s2 - 1].first.second) { tempscore += comb[s2 - 1].first.first; mx = max(mx, tempscore); continue; } int lo = 0, hi = s2 - 1; int ans = -1; while (lo <= hi) { int mid = (lo + hi) >> 1; long long cw = comb[mid].first.second; if (cw <= ma) { ans = mid; lo = mid + 1; } else { hi = mid - 1; } } if (ans == -1) { if (s1 && ma) tempscore += a1[0]; } else { long long j = 0; if (comb[ans].first.second != ma) { assert(comb[ans].first.second == (ma - 1)); j = a1[comb[ans].second.first]; if (comb[ans].second.first != 0) { j = max(j, a2[comb[ans].second.second] - a1[comb[ans].second.first - 1]); } tempscore += j; } tempscore += comb[ans].first.first; } mx = max(mx, tempscore); } cout << mx << endl; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 7; long long ans, dp[N]; int ed, n, m; struct node { int w, c; double val; node(int a = 0, int b = 0) : w(a), c(b) {} bool operator<(const node &b) const { return val > b.val; } } a[N], tmp[N]; long long DP() { for (int i = 1; i <= ed; i++) { for (int j = m; j >= tmp[i].w; j--) { dp[j] = max(dp[j], dp[j - tmp[i].w] + tmp[i].c); } } return dp[m]; } int main() { scanf("%d%d", &n, &m); ans = 0; for (int i = 1; i <= n; i++) scanf("%d%d", &a[i].w, &a[i].c), a[i].val = 1.0 * a[i].c / a[i].w; sort(a + 1, a + 1 + n); int tp[4]; memset(tp, -1, sizeof(tp)); for (int i = 1; i <= n; i++) { if (m < 30) { ed = 0; while (i <= n) tmp[++ed] = a[i], i++; for (int ii = 1; ii <= 3; ii++) if (~tp[ii]) tmp[++ed] = node(ii, tp[ii]), m += ii, ans -= tp[ii]; ans += DP(); break; } ans += a[i].c; m -= a[i].w; tp[a[i].w] = a[i].c; } printf("%lld\n", ans); return 0; }
11
CPP
#include <bits/stdc++.h> void debug() {} const int N = 1e5 + 5; long long n, m, dp[N * 5]; struct Node { long long weight, cost, ratio; bool operator<(const Node &rhs) const { return ratio > rhs.ratio; } } A[N]; int main() { scanf("%lld %lld", &n, &m); for (int i = 1; i <= n; ++i) { scanf("%lld %lld", &A[i].weight, &A[i].cost); A[i].ratio = A[i].cost * 6 / A[i].weight; } std::sort(A + 1, A + 1 + n); long long sum = 0; for (int i = 1; i <= n; ++i) { long long w = A[i].weight, c = A[i].cost; sum += w; for (int j = sum; j >= std::max(w, sum - 50); --j) { dp[j] = std::max(dp[j], dp[j - w] + c); } } long long ans = 0; for (int i = m; i >= 0; --i) ans = std::max(ans, dp[i]); printf("%lld\n", ans); }
11
CPP
#include <bits/stdc++.h> using namespace std; const int N = 3e5 + 5; long long take[4][N]; long long best[4][N]; int cnt[N]; int n, m; long long solve(int weight, int take_dua) { int one = min(cnt[1], weight - 2 * take_dua); return take[2][take_dua] + take[1][one]; } int main() { scanf("%d %d", &n, &m); for (int i = 0; i < n; i++) { int a, b; scanf("%d %d", &a, &b); cnt[a]++; best[a][cnt[a]] = b; } for (int j = 1; j <= 3; j++) { sort(best[j] + 1, best[j] + 1 + cnt[j]); reverse(best[j] + 1, best[j] + 1 + cnt[j]); for (int i = 1; i <= cnt[j]; i++) { take[j][i] = take[j][i - 1] + best[j][i]; } } long long ans = 0; for (int i = 0; i <= cnt[3] && 3 * i <= m; i++) { int l = 0, r = min(cnt[2], (m - 3 * i) / 2); int sisa = m - 3 * i; while (r - l > 3) { int lf = l + (r - l) / 3; int rf = r - (r - l) / 3; if (solve(sisa, lf) > solve(sisa, rf)) { r = rf; } else { l = lf; } } for (int j = l; j <= r; j++) ans = max(ans, take[3][i] + solve(m - 3 * i, j)); } cout << ans << endl; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; int n, m; vector<long long> A, B, C; vector<long long> b, c, bb, cc; long long solve(int mm) { b.push_back(0); bb.resize(b.size()); bb[0] = b[0]; for (int i = 1; i < (int)b.size(); i++) bb[i] = b[i] + bb[i - 1]; cc.resize(c.size()); cc[0] = c[0]; for (int i = 1; i < (int)c.size(); i++) cc[i] = c[i] + cc[i - 1]; long long ans = 0; for (int i = 0; i * 3 <= mm && i < (int)c.size(); i++) { int r = mm - i * 3; r = min(r / 2, -1 + (int)b.size()); ans = max(ans, cc[i] - c[i] + bb[r] - b[r]); } return ans; } int main() { scanf("%d", &n), scanf("%d", &m); for (int i = 0; i < (int)n; i++) { int w, c; scanf("%d", &w), scanf("%d", &c); if (w == 1) A.push_back(c); if (w == 2) B.push_back(c); if (w == 3) C.push_back(c); } sort(A.begin(), A.end(), greater<long long>()); sort(B.begin(), B.end(), greater<long long>()); sort(C.begin(), C.end(), greater<long long>()); for (int i = 0; i + 1 < (int)A.size(); i += 2) { b.push_back(A[i] + A[i + 1]); } for (int i = 0; i < (int)B.size(); i++) b.push_back(B[i]); sort(b.begin(), b.end(), greater<long long>()); for (int i = 0; i < (int)C.size(); i++) c.push_back(C[i]); c.push_back(0); long long ans = solve(m); if (A.size() > 0) { b.clear(); for (int i = 1; i + 1 < (int)A.size(); i += 2) { b.push_back(A[i] + A[i + 1]); } for (int i = 0; i < (int)B.size(); i++) b.push_back(B[i]); sort(b.begin(), b.end(), greater<long long>()); ans = max(ans, solve(m - 1) + A[0]); } printf("%lld\n", ans); }
11
CPP
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; long long mode(long long a) { a %= mod; if (a < 0) a += mod; return a; } long long subt(long long a, long long b) { return mode(mode(a) - mode(b)); } long long add(long long a, long long b) { return mode(mode(a) + mode(b)); } long long mult(long long a, long long b) { return mode(mode(a) * mode(b)); } long long binpow(long long a, long long b) { long long res = 1; while (b) { if (b & 1) res = mult(res, a); a = mult(a, a); b >>= 1; } return res; } const int M = 3e5 + 7; struct node { long long cost; long long cnt1, cnt2, cnt3; } dp[M]; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, m; cin >> n >> m; vector<int> soos[4]; for (int i = 1; i <= n; i++) { int w, c; cin >> w >> c; soos[w].push_back(c); } sort(soos[1].rbegin(), soos[1].rend()); sort(soos[2].rbegin(), soos[2].rend()); sort(soos[3].rbegin(), soos[3].rend()); dp[0] = {0, 0, 0, 0}; for (int i = 1; i <= m; i++) { dp[i] = dp[i - 1]; if (i >= 2 && dp[i - 2].cost > dp[i].cost) dp[i] = dp[i - 2]; if (i >= 3 && dp[i - 3].cost > dp[i].cost) dp[i] = dp[i - 3]; if (dp[i - 1].cnt1 < int((soos[1]).size()) && dp[i - 1].cost + soos[1][dp[i - 1].cnt1] > dp[i].cost) { dp[i] = dp[i - 1]; dp[i].cost += soos[1][dp[i - 1].cnt1]; dp[i].cnt1++; } if (i >= 2 && dp[i - 2].cnt2 < int((soos[2]).size()) && dp[i - 2].cost + soos[2][dp[i - 2].cnt2] > dp[i].cost) { dp[i] = dp[i - 2]; dp[i].cost += soos[2][dp[i - 2].cnt2]; dp[i].cnt2++; } if (i >= 3 && dp[i - 3].cnt3 < int((soos[3]).size()) && dp[i - 3].cost + soos[3][dp[i - 3].cnt3] > dp[i].cost) { dp[i] = dp[i - 3]; dp[i].cost += soos[3][dp[i - 3].cnt3]; dp[i].cnt3++; } if (i >= 2 && dp[i - 2].cnt1 && dp[i - 2].cnt3 < int((soos[3]).size()) && dp[i - 2].cost - soos[1][dp[i - 2].cnt1 - 1] + soos[3][dp[i - 2].cnt3] > dp[i].cost) { dp[i].cost = dp[i - 2].cost - soos[1][dp[i - 2].cnt1 - 1] + soos[3][dp[i - 2].cnt3]; dp[i].cnt1 = dp[i - 2].cnt1 - 1; dp[i].cnt2 = dp[i - 2].cnt2; dp[i].cnt3 = dp[i - 2].cnt3 + 1; } } cout << dp[m].cost; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; typedef struct { long long int cost, ones, twos; } s; int main() { long long int n, m; cin >> n >> m; vector<long long int> ones; vector<long long int> twos; vector<long long int> threes; for (long long int i = 0; i < n; i++) { long long int a, b; cin >> a >> b; if (a == 1) ones.push_back(b); if (a == 2) twos.push_back(b); if (a == 3) threes.push_back(b); } sort(ones.begin(), ones.end()); sort(twos.begin(), twos.end()); sort(threes.begin(), threes.end()); vector<s> ss(m + 1); ss[0] = {0, 0, 0}; if (ones.size() > 0) { ss[1] = {ones.back(), 1, 0}; } else { ss[1] = {0, 0, 0}; } for (long long int i = 2; i <= m; i++) { s a = {-1, 0, 0}, b = {-1, 0, 0}, c = ss[i - 1]; if (ss[i - 1].ones < ones.size()) { a = {ss[i - 1].cost + ones[ones.size() - 1 - ss[i - 1].ones], ss[i - 1].ones + 1, ss[i - 1].twos}; } if (ss[i - 2].twos < twos.size()) { b = {ss[i - 2].cost + twos[twos.size() - 1 - ss[i - 2].twos], ss[i - 2].ones, ss[i - 2].twos + 1}; } s d; if (a.cost > b.cost) d = a; else d = b; if (d.cost > c.cost) ss[i] = d; else ss[i] = c; } vector<long long int> part_threes(threes.size() + 1, 0); for (long long int i = 1; i <= threes.size(); i++) { part_threes[i] = part_threes[i - 1] + threes[threes.size() - i]; } long long int best = 0; for (long long int i = 0; i <= threes.size(); i++) { long long int a; if (3 * i > m) a = -1; else a = part_threes[i] + ss[m - 3 * i].cost; best = max(best, a); } cout << best << endl; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int qq = 3e5 + 10; struct Backpack { long long val; int m1, m2; } dp[qq]; int num[4]; long long Val[4][qq]; long long pre[4][qq]; int n, m; int main() { scanf("%d%d", &n, &m); for (int i = 1; i <= n; ++i) { int w; long long val; scanf("%d%lld", &w, &val); Val[w][++num[w]] = val; } for (int i = 1; i < 4; ++i) { sort(Val[i] + 1, Val[i] + 1 + num[i], greater<long long>()); for (int j = 1; j <= num[i]; ++j) pre[i][j] = pre[i][j - 1] + Val[i][j]; } dp[0].val = dp[0].m1 = dp[0].m2 = 0; for (int i = 1; i <= m; ++i) { dp[i] = dp[i - 1]; if (dp[i].val < dp[i - 1].val + Val[1][dp[i - 1].m1 + 1]) { dp[i].val = dp[i - 1].val + Val[1][dp[i - 1].m1 + 1]; dp[i].m1 = dp[i - 1].m1 + 1; dp[i].m2 = dp[i - 1].m2; } if (i >= 2 && dp[i].val < dp[i - 2].val + Val[2][dp[i - 2].m2 + 1]) { dp[i].val = dp[i - 2].val + Val[2][dp[i - 2].m2 + 1]; dp[i].m1 = dp[i - 2].m1; dp[i].m2 = dp[i - 2].m2 + 1; } } long long ans = 0; for (int i = 0; i <= num[3]; ++i) { if (m >= i * 3) { ans = max(ans, pre[3][i] + dp[m - 3 * i].val); } } printf("%lld\n", ans); }
11
CPP
#include <bits/stdc++.h> using namespace std; long long dp[300024]; int k[300024][3]; vector<int> v[3]; int main() { int n, m; cin >> n >> m; for (int i = 0; i < n; i++) { int w, c; cin >> w >> c; v[w - 1].push_back(c); } for (int i = 0; i < 3; i++) { sort(v[i].begin(), v[i].end()); reverse(v[i].begin(), v[i].end()); } if (v[0].size() > 0) { dp[1] = v[0][0]; k[1][0]++; } long long t1 = 0, t2 = 0, t3 = 0; dp[2] = dp[1]; k[2][0] = k[1][0]; k[2][1] = k[1][1]; k[2][2] = k[1][2]; if (v[0].size() > 1) t1 = v[0][0] + v[0][1]; if (v[1].size() > 0) t2 = v[1][0]; if (t1 > t2 && t1 > dp[2]) { dp[2] = t1; k[2][0] = 2; k[2][1] = 0; k[2][2] = 0; } else if (t2 > dp[2]) { dp[2] = t2; k[2][0] = 0; k[2][1] = 1; k[2][2] = 0; } t1 = 0, t2 = 0, t3 = 0; dp[3] = dp[2]; k[3][0] = k[2][0]; k[3][1] = k[2][1]; k[3][2] = k[2][2]; if (v[0].size() > 2) t1 = v[0][0] + v[0][1] + v[0][2]; if (v[1].size() > 0 && v[0].size() > 0) t2 = v[0][0] + v[1][0]; if (v[2].size() > 0) t3 = v[2][0]; if (t1 > t2 && t1 > t3 && t1 > dp[3]) { dp[3] = t1; k[3][0] = 3; k[3][1] = 0; k[3][2] = 0; } else if (t2 > t3 && t2 > dp[3]) { dp[3] = t2; k[3][0] = 1; k[3][1] = 1; k[3][2] = 0; } else if (t3 > dp[3]) { dp[3] = t3; k[3][0] = 0; k[3][1] = 0; k[3][2] = 1; } for (int i = 4; i <= m; i++) { t1 = 0, t2 = 0, t3 = 0; dp[i] = dp[i - 1]; k[i][0] = k[i - 1][0]; k[i][1] = k[i - 1][1]; k[i][2] = k[i - 1][2]; if (k[i - 3][2] < v[2].size()) t1 = dp[i - 3] + v[2][k[i - 3][2]]; if (k[i - 2][1] < v[1].size()) t2 = dp[i - 2] + v[1][k[i - 2][1]]; if (k[i - 1][0] < v[0].size()) t3 = dp[i - 1] + v[0][k[i - 1][0]]; long long t4 = 0, t5 = 0, t6 = 0; if (k[i - 1][0] > 0 && k[i - 1][1] < v[1].size()) t4 = dp[i - 1] - v[0][k[i - 1][0] - 1] + v[1][k[i - 1][1]]; if (k[i - 1][1] > 0 && k[i - 1][2] < v[2].size()) t5 = dp[i - 1] - v[1][k[i - 1][1] - 1] + v[2][k[i - 1][2]]; if (k[i - 2][0] > 0 && k[i - 2][2] < v[2].size()) t6 = dp[i - 2] - v[0][k[i - 2][0] - 1] + v[2][k[i - 2][2]]; if (t1 > t2 && t1 > t3 && t1 > t4 && t1 > t5 && t1 > t6 && t1 > dp[i]) { dp[i] = t1; k[i][0] = k[i - 3][0]; k[i][1] = k[i - 3][1]; k[i][2] = k[i - 3][2] + 1; } else if (t2 > t3 && t2 > t4 && t2 > t5 && t2 > t6 && t2 > dp[i]) { dp[i] = t2; k[i][0] = k[i - 2][0]; k[i][1] = k[i - 2][1] + 1; k[i][2] = k[i - 2][2]; } else if (t3 > t4 && t3 > t5 && t3 > t6 && t3 > dp[i]) { dp[i] = t3; k[i][0] = k[i - 1][0] + 1; k[i][1] = k[i - 1][1]; k[i][2] = k[i - 1][2]; } else if (t4 > t5 && t4 > t6 && t4 > dp[i]) { dp[i] = t4; k[i][0] = k[i - 1][0] - 1; k[i][1] = k[i - 1][1] + 1; k[i][2] = k[i - 1][2]; } else if (t5 > t6 && t5 > dp[i]) { dp[i] = t5; k[i][0] = k[i - 1][0]; k[i][1] = k[i - 1][1] - 1; k[i][2] = k[i - 1][2] + 1; } else if (t6 > dp[i]) { dp[i] = t6; k[i][0] = k[i - 2][0] - 1; k[i][1] = k[i - 2][1]; k[i][2] = k[i - 2][2] + 1; } } cout << dp[m] << endl; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; using LL = long long; constexpr int N = 1e5 + 5; vector<LL> sum[4]; LL check(int two, int three, int rem) { LL rv = 0; if (two > 0) rv += sum[2][two - 1]; if (three > 0) rv += sum[3][three - 1]; int one = rem - two * 2 - three * 3; assert(one >= 0); one = min(one, (int)sum[1].size()); if (one > 0) rv += sum[1][one - 1]; return rv; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n, m; cin >> n >> m; for (int i = 0; i < n; i++) { int w, c; cin >> w >> c; sum[w].push_back(c); } for (int i = 1; i <= 3; i++) sort(sum[i].rbegin(), sum[i].rend()); for (int i = 1; i <= 3; i++) { for (int j = 1; j < sum[i].size(); j++) { sum[i][j] += sum[i][j - 1]; } } LL best = 0; for (int three = 0; three <= sum[3].size(); three++) { if (three * 3 > m) break; int cnt1 = min((int)sum[2].size(), (m - three * 3) / 2); int two = -1; for (int b = cnt1; b >= 1; b /= 2) { while (two + b + 1 <= cnt1 && check(two + b, three, m) < check(two + b + 1, three, m)) { two += b; } } LL cur = check(two + 1, three, m); best = max(best, cur); } cout << best << "\n"; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int MAXN = 300000 + 10; const int INF = 0x7fffffff; struct { long long v; long long s1, s2; } dp[MAXN]; long long a[4][MAXN]; long long s[4][MAXN]; int num[4]; int cmp(int x, int y) { return x > y; } int main() { int n, m; scanf("%d%d", &n, &m); num[1] = num[2] = num[3] = 0; for (int i = 1; i <= n; i++) { long long w, c; scanf("%lld%lld", &w, &c); a[w][++num[w]] = c; } for (int i = 1; i <= 3; i++) { sort(a[i] + 1, a[i] + num[i] + 1, cmp); for (int j = 1; j <= num[i]; j++) { s[i][j] = s[i][j - 1] + a[i][j]; } } dp[0].v = dp[0].s1 = dp[0].s2 = 0; for (int i = 1; i <= m; i++) { dp[i] = dp[i - 1]; if (dp[i - 1].v + a[1][dp[i - 1].s1 + 1] > dp[i].v) { dp[i].v = dp[i - 1].v + a[1][dp[i - 1].s1 + 1]; dp[i].s1 = dp[i - 1].s1 + 1; dp[i].s2 = dp[i - 1].s2; } if (i >= 2 && dp[i - 2].v + a[2][dp[i - 2].s2 + 1] > dp[i].v) { dp[i].v = dp[i - 2].v + a[2][dp[i - 2].s2 + 1]; dp[i].s1 = dp[i - 2].s1; dp[i].s2 = dp[i - 2].s2 + 1; } } long long res = 0; for (int i = 0; i <= num[3]; i++) { if (m >= i * 3) res = max(res, s[3][i] + dp[m - 3 * i].v); } printf("%I64d\n", res); }
11
CPP
#include <bits/stdc++.h> using namespace std; long long n, m; struct nod { long long val, pt1, pt2; } dp[300005]; ifstream in("selling.in"); vector<long long> unu, doi, trei; nod Max(nod a, nod b) { return a.val < b.val ? b : a; } int main() { long long i, j, w, v, last1, last2, var1, var2; cin >> n >> m; for (i = 1; i <= n; i++) { cin >> w >> v; if (w == 1) unu.push_back(v); if (w == 2) doi.push_back(v); if (w == 3) trei.push_back(v); } sort(unu.begin(), unu.end()); sort(doi.begin(), doi.end()); sort(trei.begin(), trei.end()); for (i = 1; i <= m; i++) { if (int(unu.size()) - dp[i - 1].pt1 - 1 >= 0) var1 = dp[i - 1].val + unu[int(unu.size()) - 1 - dp[i - 1].pt1]; else var1 = 0; if (i >= 2 && int(doi.size()) - dp[i - 2].pt2 - 1 >= 0) var2 = dp[i - 2].val + doi[int(doi.size()) - 1 - dp[i - 2].pt2]; else var2 = 0; if (var1 > var2) { if (var1 > dp[i].val) { dp[i].val = var1; dp[i].pt1 = dp[i - 1].pt1 + 1; dp[i].pt2 = dp[i - 1].pt2; } } else { if (var2 > dp[i].val) { dp[i].val = var2; dp[i].pt1 = dp[i - 2].pt1; dp[i].pt2 = dp[i - 2].pt2 + 1; } } } for (i = 1; i <= m; i++) dp[i] = Max(dp[i - 1], dp[i]); long long sol = 0, sum = 0, l = trei.size(); for (i = 0; 3 * i <= m; i++) { sol = max(sol, dp[m - 3 * i].val + sum); if (trei.empty()) break; sum += trei.back(), trei.pop_back(); } cout << sol << "\n"; }
11
CPP
#include <bits/stdc++.h> using namespace std; vector<vector<int> > v(3); long long s[3][100005]; int m; long long f1(int y, int z) { if (m - 3 * z - 2 * y < 0) { return 0; } long long val = 0; if (z > 0) val += s[2][z - 1]; if (y > 0) val = val + s[1][y - 1]; if (m - 3 * z - 2 * y > 0) { val += s[0][min(m - 3 * z - 2 * y - 1, (int)v[0].size() - 1)]; } return val; } long long compute(int z) { int m1 = m; long long ans = -100; m1 -= z * 3; if (m1 < 0) { return 0; } int l = 0; int r = min((int)v[1].size(), m1 / 2); while (r - l >= 3) { int mid1 = (2 * l + r) / 3; int mid2 = (2 * r + l) / 3; if (f1(mid1, z) > f1(mid2, z)) { r = mid2; } else { l = mid1; } } while (l <= r) { ans = max(ans, f1(l, z)); l++; } return ans; } int main() { std::ios::sync_with_stdio(false); int n, w, c, i, j; long long res = -100; cin >> n >> m; for (i = 0; i < n; i++) { cin >> w >> c; w--; v[w].push_back(c); } for (i = 0; i < 3; i++) sort(v[i].rbegin(), v[i].rend()); for (i = 0; i < 3; i++) { for (j = 0; j < v[i].size(); j++) { s[i][j] = j > 0 ? s[i][j - 1] + v[i][j] : v[i][j]; } } for (i = 0; i <= v[2].size(); i++) { res = max(res, compute(i)); } cout << res << endl; }
11
CPP
#include <bits/stdc++.h> using namespace std; const long long inf = 1e18; const int mod = 1e9 + 7; long long kek[100005], w[100005], dp[1337228], c[100005], nm[100005]; bool kekekekekekkek(int i, int j) { return kek[i] > kek[j]; } int main() { ios_base::sync_with_stdio(0); int n, m; cin >> n >> m; for (int i = 1; i <= n; i++) { cin >> w[i] >> c[i]; kek[i] = 1337 * c[i] / w[i]; nm[i] = i; } sort(nm + 1, nm + n + 1, kekekekekekkek); int cur = 0; for (int i = 1; i <= n; i++) { int curw = w[nm[i]], curc = c[nm[i]]; cur += curw; for (int j = cur; j >= max(curw, cur - 228); j--) { dp[j] = max(dp[j], dp[j - curw] + curc); } } for (int i = 1; i <= m; i++) { dp[i] = max(dp[i], dp[i - 1]); } cout << dp[m] << endl; }
11
CPP
#!/usr/bin/env python3 [n, m] = map(int, input().strip().split()) wc = [[] for _ in range(4)] # w[0] unused for _ in range(n): w, c = map(int, input().strip().split()) wc[w].append(c) for i in range(1, 4): wc[i].sort(reverse=True) iwc = [[0 for _ in range(len(wc[i]) + 1)] for i in range(4)] for i in range(4): for j in range(len(wc[i])): iwc[i][j + 1] = iwc[i][j] + wc[i][j] n1 = len(wc[1]) n2 = len(wc[2]) n3 = len(wc[3]) c12 = [(0, 0, 0) for _ in range(m + 1)] for w in range(len(c12) - 1): c, q1, q2 = c12[w] c12[w + 1] = max(c12[w + 1], c12[w]) if q1 < n1: c12[w + 1] = max(c12[w + 1], (iwc[1][q1 + 1] + iwc[2][q2], q1 + 1, q2)) if q2 < n2 and w + 2 < len(c12): c12[w + 2] = max(c12[w + 2], (iwc[1][q1] + iwc[2][q2 + 1], q1, q2 + 1)) cmax = 0 for i in range(n3 + 1): if 3 * i > m: break cmax = max(cmax, iwc[3][i] + c12[m - 3 * i][0]) print(cmax)
11
PYTHON3
#include <bits/stdc++.h> using namespace std; struct Data { long long cost, ones, twos; }; const long long N = 100100; const long long K = 300300; long long n, m; Data dp[K]; vector<long long> adj[4]; int32_t main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n >> m; for (long long i = 1; i <= n; i++) { long long w, c; cin >> w >> c; adj[w].push_back(c); } for (long long i = 1; i <= 3; i++) { sort(adj[i].begin(), adj[i].end()); reverse(adj[i].begin(), adj[i].end()); } dp[0] = {0, 0, 0}; for (long long i = 1; i <= m; i++) { dp[i] = dp[i - 1]; if (i - 2 >= 0 && dp[i - 2].cost > dp[i].cost) { dp[i] = dp[i - 2]; } long long ones = dp[i].ones, twos = dp[i].twos; if (dp[i - 1].ones < adj[1].size()) { if (dp[i - 1].cost + adj[1][dp[i - 1].ones] > dp[i].cost) { dp[i].cost = dp[i - 1].cost + adj[1][dp[i - 1].ones]; ones = 1 + dp[i - 1].ones; twos = dp[i - 1].twos; } } if (i - 2 >= 0 && dp[i - 2].twos < adj[2].size()) { if (dp[i - 2].cost + adj[2][dp[i - 2].twos] > dp[i].cost) { dp[i].cost = dp[i - 2].cost + adj[2][dp[i - 2].twos]; ones = dp[i - 2].ones; twos = 1 + dp[i - 2].twos; } } dp[i].ones = ones; dp[i].twos = twos; } long long ans = dp[m].cost; long long sm = 0; for (long long i = 0; i < adj[3].size(); i++) { sm += adj[3][i]; if (m - 3 * (i + 1) < 0) continue; ans = max(ans, sm + dp[m - 3 * (i + 1)].cost); } cout << ans << "\n"; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int N = 300010; int n, m; int arr[4][N]; int idx[4]; long long best[N], ans = 0; pair<int, int> best2[N]; int main() { scanf("%d%d", &n, &m); for (int i = 0; i < n; i++) { int w, c; scanf("%d%d", &w, &c); arr[w][idx[w]++] = c; } for (int i = 0; i < 4; i++) { sort(arr[i], arr[i] + idx[i]); reverse(arr[i], arr[i] + idx[i]); } best[1] = arr[1][0]; ans = max(ans, best[1]); best2[1] = make_pair(0, -1); best2[0] = make_pair(-1, -1); for (int i = 2; i <= m; i++) { best[i] = best[i - 1] + arr[1][best2[i - 1].first + 1]; best2[i] = best2[i - 1]; best2[i].first++; if (best[i - 2] + arr[2][best2[i - 2].second + 1] > best[i]) { best[i] = best[i - 2] + arr[2][best2[i - 2].second + 1]; best2[i] = best2[i - 2]; best2[i].second++; } ans = max(ans, best[i]); } long long sum = 0; int i = 0; int cur = 0; while (cur + 3 <= m) { cur += 3; sum += arr[3][i++]; ans = max(ans, sum + best[m - cur]); } cout << ans << endl; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; int n, m, w; long long c, r, vop; vector<long long> s[3], op[2], tot[3]; int main() { scanf("%d %d", &n, &m); for (int i = 0; i < n; i++) { scanf("%d %lld", &w, &c); s[w - 1].push_back(c); } sort(s[2].begin(), s[2].end()); tot[0].push_back(0); for (int i = s[2].size() - 1; i >= 0; i--) tot[0].push_back(tot[0].back() + s[2][i]); if (!s[0].empty()) { sort(s[0].begin(), s[0].end()); vop = s[0].back(); } op[0] = s[1]; op[1] = s[1]; for (int i = s[0].size() - 1; i >= 0; i -= 2) { if (i) op[0].push_back(s[0][i] + s[0][i - 1]); else op[0].push_back(s[0][0]); } for (int i = s[0].size() - 2; i >= 0; i -= 2) { if (i) op[1].push_back(s[0][i] + s[0][i - 1]); else op[1].push_back(s[0][0]); } sort(op[0].begin(), op[0].end()); sort(op[1].begin(), op[1].end()); tot[1].push_back(0); for (int i = op[0].size() - 1; i >= 0; i--) tot[1].push_back(tot[1].back() + op[0][i]); tot[2].push_back(0); for (int i = op[1].size() - 1; i >= 0; i--) tot[2].push_back(tot[2].back() + op[1][i]); for (int i = 0; i < tot[0].size() && 3 * i <= m; i++) { int h = m - 3 * i, s1 = tot[1].size(), s2 = tot[2].size(); if (h & 1) r = max(r, tot[0][i] + vop + tot[2][min(s2 - 1, h / 2)]); else r = max(r, tot[0][i] + tot[1][min(s1 - 1, h / 2)]); } printf("%lld\n", r); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; int n, m; long long dp[300005]; struct S { int w, c; bool friend operator<(S x, S y) { return ((double)x.c / x.w > (double)y.c / y.w); } } a[100005]; int main() { while (scanf("%d%d", &n, &m) != -1) { for (int i = 1; i <= n; i += 1) { scanf("%d%d", &a[i].w, &a[i].c); } sort(a + 1, a + n + 1); dp[0] = 0; for (int i = 1; i < m; i += 1) { dp[i] = -1e17L; } int up = 0; long long ans = 0; for (int i = 1; i <= n; i += 1) { up += a[i].w; if (up > m) { up = m; } int least = max(a[i].w, up - 3); for (int j = up; j >= least; j -= 1) { dp[j] = max(dp[j], dp[j - a[i].w] + a[i].c); ans = max(ans, dp[j]); } } printf("%I64d\n", ans); } return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int MAXN = 100010; const int MAXW = 300010; int n, m; int a[MAXW] = {0}, b[MAXW] = {0}, c[MAXW] = {0}; int aidx = 0, bidx = 0, cidx = 0; long long f[MAXW] = {0}; int main() { scanf("%d%d", &n, &m); for (int i = 0; i < n; ++i) { int w, cost; scanf("%d%d", &w, &cost); if (w == 1) a[aidx++] = cost; else if (w == 2) b[bidx++] = cost; else c[cidx++] = cost; } sort(a, a + aidx, greater<int>()); sort(b, b + bidx, greater<int>()); sort(c, c + cidx, greater<int>()); int ai = 0, bi = 0, noww = 0; long long nowc = 0; for (int i = 1; i <= m; ++i) { if (i - noww >= 2) { if (a[ai] * 2 > b[bi]) nowc += a[ai++], ++noww; else nowc += b[bi++], noww += 2; } if (i == noww) f[i] = nowc; else { f[i] = nowc + a[ai]; if (ai) f[i] = max(f[i], nowc - a[ai - 1] + b[bi]); } } long long ans = f[m]; noww = m, nowc = 0; for (int i = 0; i < cidx; ++i) { noww -= 3, nowc += c[i]; if (noww < 0) break; ans = max(ans, f[noww] + nowc); } printf("%lld\n", ans); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 7; int n, m, sum; long long ans, pre[4][N]; vector<int> a[4]; long long check(int mid, int have) { int one = have - 3 * mid; if (one > a[1].size()) one = a[1].size(); return pre[3][mid] + pre[1][one]; } long long del(int have) { int l = 0, r = a[3].size(); r = min(r, have / 3); while (l < r - 1) { int mid = l + r >> 1, mid2 = r + mid >> 1; if (check(mid, have) > check(mid2, have)) r = mid2; else l = mid; } return max(max(check(l, have), check(r, have)), check(0, have)); } int main() { scanf("%d%d", &n, &m); a[1].push_back(0), a[2].push_back(0), a[3].push_back(0); for (int i = 1; i <= n; i++) { int x, y; scanf("%d%d", &x, &y); a[x].push_back(y); sum += x, ans += y; } if (m >= sum) { printf("%lld\n", ans); return 0; } ans = 0; sort(a[1].begin(), a[1].end(), greater<int>()); sort(a[2].begin(), a[2].end(), greater<int>()); sort(a[3].begin(), a[3].end(), greater<int>()); for (int k = 1; k <= 3; k++) for (int i = 0; i <= a[k].size() - 1; i++) pre[k][i + 1] = pre[k][i] + a[k][i]; for (int i = 0; i <= a[2].size(); i++) { if (i * 2 <= m) ans = max(ans, del(m - i * 2) + pre[2][i]); } printf("%lld\n", ans); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; unsigned sed = std::chrono::system_clock::now().time_since_epoch().count(); mt19937 rand_num(sed); uniform_int_distribution<long long> dis(0, 1000000007); template <typename T> void read(T &x) { x = 0; char ch = getchar(); long long fh = 1; while (ch < '0' || ch > '9') { if (ch == '-') fh = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') x = x * 10 + ch - '0', ch = getchar(); x *= fh; } template <typename T> void write(T x) { if (x < 0) x = -x, putchar('-'); if (x > 9) write(x / 10); putchar(x % 10 + '0'); } template <typename T> void writeln(T x) { write(x); puts(""); } long long n, m; long long l1, l2, l3; long long c1[100005], c2[100005], c3[100005]; long long sum1[100005], sum2[100005], sum3[100005]; signed main() { read(n); read(m); for (long long i = 1; i <= n; ++i) { long long w, c; read(w); read(c); if (w == 1) c1[++l1] = c; if (w == 2) c2[++l2] = c; if (w == 3) c3[++l3] = c; } sort(c1 + 1, c1 + l1 + 1); sort(c2 + 1, c2 + l2 + 1); sort(c3 + 1, c3 + l3 + 1); reverse(c1 + 1, c1 + l1 + 1); reverse(c2 + 1, c2 + l2 + 1); reverse(c3 + 1, c3 + l3 + 1); for (long long i = 1; i <= l1; ++i) sum1[i] = sum1[i - 1] + c1[i]; for (long long i = 1; i <= l2; ++i) sum2[i] = sum2[i - 1] + c2[i]; for (long long i = 1; i <= l3; ++i) sum3[i] = sum3[i - 1] + c3[i]; long long ans = 0; for (long long i = 0; i <= min(m / 3, l3); ++i) { long long left = m - i * 3; long long l = 1, r = min(left / 2, l2); while (l < r) { long long mid = l + r + 1 >> 1; long long left1 = left - mid * 2; long long val = sum1[min(l1, left1)] + sum2[min(l2, mid)] + sum3[min(l3, i)]; long long mid1 = mid - 1; long long left2 = left - mid1 * 2; long long val2 = sum1[min(l1, left2)] + sum2[min(l2, mid1)] + sum3[min(l3, i)]; if (val >= val2) l = mid; else r = mid - 1; } for (long long j = max(0LL, l - 2); j <= min(l2, l + 2); ++j) { long long left1 = m - i * 3 - j * 2; if (left1 < 0) continue; ans = max(ans, sum1[min(l1, left1)] + sum2[min(l2, j)] + sum3[min(l3, i)]); } } writeln(ans); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; pair<long long int, pair<int, int> > dp[300005]; vector<int> cost1; vector<int> cost2; vector<int> cost3; int main() { int n, m; cin >> n; cin >> m; for (int i = 0; i < n; i++) { int w, c; cin >> w; cin >> c; if (w == 1) { cost1.push_back(c); } else if (w == 2) { cost2.push_back(c); } else { cost3.push_back(c); } } sort(cost1.begin(), cost1.end()); reverse(cost1.begin(), cost1.end()); sort(cost2.begin(), cost2.end()); reverse(cost2.begin(), cost2.end()); sort(cost3.begin(), cost3.end()); reverse(cost3.begin(), cost3.end()); dp[0].first = 0; dp[0].second.first = 0; dp[0].second.second = 0; for (int i = 1; i <= m; i++) { if (i == 1) { if (cost1.size() > 0) { dp[i].first = cost1[0]; dp[i].second.first = 1; dp[i].second.second = 0; } else { dp[i].first = 0; dp[i].second.first = 0; dp[i].second.second = 0; } } else { if ((cost1.size() > dp[i - 1].second.first) && (cost2.size() > dp[i - 2].second.second) && (dp[i - 1].first + cost1[dp[i - 1].second.first] > dp[i - 2].first + cost2[dp[i - 2].second.second])) { dp[i].first = dp[i - 1].first + cost1[dp[i - 1].second.first]; dp[i].second.first = dp[i - 1].second.first + 1; dp[i].second.second = dp[i - 1].second.second; } else if ((cost1.size() > dp[i - 1].second.first) && (cost2.size() > dp[i - 2].second.second) && (dp[i - 1].first + cost1[dp[i - 1].second.first] <= dp[i - 2].first + cost2[dp[i - 2].second.second])) { dp[i].first = dp[i - 2].first + cost2[dp[i - 2].second.second]; dp[i].second.first = dp[i - 2].second.first; dp[i].second.second = dp[i - 2].second.second + 1; } else if ((cost1.size() <= dp[i - 1].second.first) && (cost2.size() > dp[i - 2].second.second)) { if (dp[i - 1].first >= dp[i - 2].first + cost2[dp[i - 2].second.second]) { dp[i].first = dp[i - 1].first; dp[i].second.first = dp[i - 1].second.first; dp[i].second.second = dp[i - 1].second.second; } else { dp[i].first = dp[i - 2].first + cost2[dp[i - 2].second.second]; dp[i].second.first = dp[i - 2].second.first; dp[i].second.second = dp[i - 2].second.second + 1; } } else if ((cost1.size() > dp[i - 1].second.first) && (cost2.size() <= dp[i - 2].second.second)) { if (dp[i - 2].first >= dp[i - 1].first + cost1[dp[i - 1].second.first]) { dp[i].first = dp[i - 2].first; dp[i].second.first = dp[i - 2].second.first; dp[i].second.second = dp[i - 2].second.second; } else { dp[i].first = dp[i - 1].first + cost1[dp[i - 1].second.first]; dp[i].second.first = dp[i - 1].second.first + 1; dp[i].second.second = dp[i - 1].second.second; } } else { dp[i].first = dp[i - 1].first; dp[i].second.first = dp[i - 1].second.first; dp[i].second.second = dp[i - 1].second.second; } } } long long int ans = dp[m].first; long long int temp = 0; for (int i = 0; i < cost3.size(); i++) { temp += cost3[i]; if (m - 3 * (i + 1) >= 0) ans = max(ans, temp + dp[m - 3 * (i + 1)].first); } cout << ans; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; int n, m, x, y, i, l1, l2, l3; long long pre[311111], ans; long long dp[311111][3]; vector<long long> v[3]; bool cmp(long long x, long long y) { return x > y; } long long min(long long x, long long y) { return x < y ? x : y; } long long max(long long x, long long y) { return x > y ? x : y; } int main() { scanf("%d%d", &n, &m); for (i = 1; i <= n; i++) { scanf("%d%d", &x, &y); v[x].push_back(y); } l1 = (int)v[1].size(); l2 = (int)v[2].size(); l3 = (int)v[3].size(); sort(v[1].begin(), v[1].end(), cmp); sort(v[2].begin(), v[2].end(), cmp); sort(v[3].begin(), v[3].end(), cmp); if (l3) pre[0] = v[3][0]; for (i = 1; i < l3; i++) pre[i] = pre[i - 1] + v[3][i]; for (i = 0; i < m; i++) { if (dp[i + 1][0] < dp[i][0]) { dp[i + 1][0] = dp[i][0]; dp[i + 1][1] = dp[i][1]; dp[i + 1][2] = dp[i][2]; } if (dp[i][1] < l1) { if (dp[i + 1][0] < dp[i][0] + v[1][dp[i][1]]) { dp[i + 1][0] = dp[i][0] + v[1][dp[i][1]]; dp[i + 1][1] = dp[i][1] + 1; dp[i + 1][2] = dp[i][2]; } } if (dp[i][2] < l2) { dp[i + 2][0] = dp[i][0] + v[2][dp[i][2]]; dp[i + 2][1] = dp[i][1]; dp[i + 2][2] = dp[i][2] + 1; } if (l3 && (m - i) / 3) ans = max(ans, dp[i][0] + pre[min((m - i) / 3 - 1, l3 - 1)]); } ans = max(ans, dp[m][0]); printf("%lld", ans); }
11
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 300005; inline long long read() { long long x = 0, f = 1; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') f = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') { x = x * 10 + ch - '0'; ch = getchar(); } return x * f; } int n, m, c, C, yu, sz, pos[maxn]; vector<long long> vec[4]; long long sum[1000005], f[maxn] = {0}, v, ww[maxn], dp[maxn], g[maxn]; void solve(int l, int r, int L, int R) { if (l > r) return; int mid = (l + r) >> 1; pos[mid] = mid; long long ma = -1; for (int i = L; i <= mid && i <= R; i++) { if (i + sz >= mid & dp[i] + sum[mid - i] > ma) pos[mid] = i, ma = dp[i] + sum[mid - i]; } solve(mid + 1, r, pos[mid], R); solve(l, mid - 1, L, pos[mid]); } int main() { n = read(), m = read(); for (int i = 1; i <= n; i++) { c = read(), v = read(); vec[c].push_back(v); } for (C = 1; C < 4; C++) { if (!vec[C].size()) continue; sort(vec[C].begin(), vec[C].end()); sz = vec[C].size(); sum[0] = 0; for (int i = 1; i <= sz; i++) sum[i] = sum[i - 1] + vec[C][vec[C].size() - i]; for (yu = 0; yu < C; yu++) { int tot = -1; for (int j = yu; j <= m; j += C) { tot++; dp[tot] = f[j]; ww[tot] = 0; } solve(0, tot, 0, tot); for (int j = 0; j <= tot; j++) ww[j] = dp[pos[j]] + sum[j - pos[j]]; int cur = 0; for (int j = yu; j <= m; j += C) g[j] = ww[cur++]; } for (int i = 0; i <= m; i++) f[i] = g[i]; } printf("%lld\n", f[m]); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; class Solution { public: void solve(std::istream& in, std::ostream& out) { long long n, m; in >> n >> m; std::array<std::vector<long long>, 3> c, c_sum; for (long long i = 0; i < n; ++i) { long long w, cur_c; in >> w >> cur_c; c[w - 1].push_back(cur_c); } for (auto& p : c) std::sort(p.begin(), p.end(), greater<long long>()); for (long long i = 0; i < 3; ++i) { c_sum[i].resize(c[i].size() + 1); std::partial_sum(c[i].begin(), c[i].end(), c_sum[i].begin() + 1); } auto get_sum = [&](long long weight, long long num) { return c_sum[weight - 1][std::min((long long)c[weight - 1].size(), num)]; }; auto get = [&](long long weight, long long num) { if (num < c[weight - 1].size()) return c[weight - 1][num]; return 0LL; }; long long best = 0LL; for (long long n3 = 0; n3 <= std::min(m / 3, (long long)c[2].size()); ++n3) { long long n1 = m - n3 * 3; long long n2 = 0; long long r = n1 / 2 + 1; long long l = std::min(1LL, r); auto price_of = [&](long long n1_arg, long long n2_arg, long long n3_arg) { return get_sum(1, n1_arg) + get_sum(2, n2_arg) + get_sum(3, n3_arg); }; while (l < r) { long long cur = l + (r - l) / 2; auto val = get(1, n1 - cur * 2 + 1) + get(1, n1 - cur * 2) - get(2, n2 + cur - 1); if (val < 0) l = cur + 1; else r = cur; } l = std::max(0LL, l - 1); n1 -= l * 2; n2 += l; best = std::max(best, price_of(n1, n2, n3)); } out << best << '\n'; } }; void solve(std::istream& in, std::ostream& out) { out << std::setprecision(12); Solution solution; solution.solve(in, out); } int main() { ios_base::sync_with_stdio(0); cin.tie(0); istream& in = cin; ostream& out = cout; solve(in, out); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; long long r; bool is_perfect_cube(long long n) { r = (long long)round(cbrt(n)); if (r * r * r == n) return true; return false; } int main() { int T; scanf("%d", &T); while (T--) { int a, b; scanf("%d %d", &a, &b); if (is_perfect_cube((long long)a * b)) { if (((long long)a + b) % r == 0) printf("Yes\n"); else printf("No\n"); } else printf("No\n"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { int n; scanf("%d", &n); while (n--) { long long x, y, z, w; scanf("%I64d%I64d", &x, &y); z = x * y; w = pow(z, 1.0 / 3) + 0.5; if (w * w * w == z && x % w == 0 && y % w == 0) puts("Yes"); else puts("No"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int vec[1000005]; map<long long, int> M; int main() { int n; cin >> n; for (int i = 2; i <= 1000000; i++) { if (vec[i]) continue; for (int j = i; j <= 1000000; j += i) vec[j] = i; } for (int i = 1; i <= 1000000; i++) { M[1LL * i * i * i] = i; } for (int i = 0; i < n; i++) { long long a, b; scanf("%lld%lld", &a, &b); long long c = a * b; bool bad = 0; if (M.find(c) == M.end()) { bad = 1; } else { int x = M[c]; while (x != 1) { int y = vec[x]; { int A = 0, B = 0; while (a % y == 0) { a /= y; A++; } while (b % y == 0) { b /= y; B++; } while (x % y == 0) x /= y; if (A + B > 0) { if ((A + B) % 3 == 0 && min(A, B) * 2 >= max(A, B)) ; else bad = 1; } } } } puts(bad ? "No" : "Yes"); } }
7
CPP
#include <bits/stdc++.h> using namespace std; const int N = 2e5 + 5; const long long M = (long long)1e9 + 7; int Int() { int x; scanf("%d", &x); return x; } long long Long() { long long x; scanf("%lld", &x); return x; } void Char(char *ch) { scanf("%s", ch); } template <typename t> inline t abs(t a) { if (a >= 0) return a; return -a; } template <typename T> inline T modpow(T b, T p, T Mod) { T res = 1; while (p) { if (p & 1) { res *= b; res %= Mod; } b *= b; b %= Mod; p >>= 1; } return res; } template <typename T> inline T ModInv(T b, T Mod) { return modpow(b, Mod - 2, Mod); } template <typename T> inline T pwr(T b, T p) { T res = 1; while (p) { if (p & 1) { res *= b; } b *= b; p >>= 1; } return res; } template <typename T> inline T gcd(T a, T b) { if (b == 0) return a; return gcd(b, a % b); } template <typename T> inline void Int(T &n) { n = 0; int f = 1; register int ch = getchar(); for (; !isdigit(ch); ch = getchar()) if (ch == '-') f = -1; for (; isdigit(ch); ch = getchar()) n = (n << 3) + (n << 1) + ch - '0'; n = n * f; } template <typename T, typename U> inline void Int(T &a, U &b) { Int(a); Int(b); } template <typename T, typename U, typename W> inline void Int(T &a, U &b, W &c) { Int(a, b); Int(c); } template <typename T, typename U, typename W, typename X> inline void Int(T &a, U &b, W &c, X &d) { Int(a, b, c); Int(d); } vector<int> Unique(vector<int> v) { sort(v.begin(), v.end()); v.erase(unique(v.begin(), v.end()), v.end()); return v; } vector<string> split(const string &s, char c) { vector<string> v; stringstream ss(s); string x; while (getline(ss, x, c)) v.emplace_back(x); return move(v); } void err(vector<string>::iterator it) {} template <typename T, typename... Args> void err(vector<string>::iterator it, T a, Args... args) { cout << it->substr((*it)[0] == ' ', it->length()) << " = " << a << " "; err(++it, args...); } int main() { int t = Int(); while (t--) { long long n = Long(), m = Long(); if ((n == 1 and m != 1) or (n != 1 and m == 1)) { puts("No"); continue; } long long nm = n * m; long long l = 1, r = 1000000LL; int f = 0; while (l <= r) { long long mid = (l + r) >> 1; long long d = mid * mid * mid; if (d < nm) { l = mid + 1; } else if (d > nm) { r = mid - 1; } else { f = 1; break; } } if (f) l = (l + r) >> 1; if (l * l * l == nm and (n % l == 0) and (m % l == 0)) { puts("Yes"); } else { puts("No"); } } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; void testCase() { int64_t a, b; cin >> a >> b; int64_t crt = cbrtl(a * b); int64_t have = crt * crt * crt; if ((have == (a * b)) && a % crt == 0 && b % crt == 0) { cout << "YES" << '\n'; } else { cout << "NO" << '\n'; } } signed main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int64_t t; cin >> t; while (t--) testCase(); return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; long long cubeRoot(long long n) { long long l = 0, r = 1001010, m; while (l != r) { m = (l + r + 1) / 2; if (m * m * m > n) { r = m - 1; } else { l = m; } } return l; } int main() { long long c, a, b, n, i, j, k, flag = 0, x, sum = 0, sum2 = 0, sr; cin >> n; for (i = 0; i < n; i++) { scanf("%I64d %I64d", &a, &b); c = cubeRoot(a * b); if ((c * c * c) == (a * b) && a % c == 0 && b % c == 0) { printf("Yes\n"); } else { printf("No\n"); } } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { map<long long, int> mp; for (long long i = 1; i <= 1e6; ++i) mp[i * i * i] = i; int t; cin >> t; while (t--) { long long a, b; scanf("%lld %lld", &a, &b); if (mp.count(a * b) and a % mp[a * b] == 0 and b % mp[a * b] == 0) printf("YeS\n"); else printf("nO\n"); } }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { int T; cin >> T; while (T--) { long long a, b; scanf("%lld%lld", &a, &b); long long l = 1, r = 1000000, x = -1; while (l <= r) { long long mid = (l + r) / 2; if (mid * mid * mid > a * b) r = mid - 1; else if (mid * mid * mid < a * b) l = mid + 1; else { x = mid; break; } } if (x == -1 || a * a % b != 0 || b * b % a != 0) { printf("No\n"); continue; } printf("Yes\n"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; const int e = 2 * 1e6 + 7; long long a[e]; long long bs(long long x) { long long l = 0, h = 1000005; while (l != h) { long long m = (l + h + 1) / 2; if (m * m * m > x) { h = m - 1; } else { l = m; } } return l; } int main() { int t; cin >> t; while (t--) { long long a, b; scanf("%I64d %I64d", &a, &b); long long x = bs(a * b); if (x * x * x != a * b) puts("NO"); else if (a % x == 0 && b % x == 0) puts("YES"); else puts("NO"); } }
7
CPP
import sys,os,io from sys import stdin from math import log, gcd, ceil from collections import defaultdict, deque, Counter from heapq import heappush, heappop, heapify from bisect import bisect_left , bisect_right import math def ii(): return int(input()) def li(): return list(map(int,input().split())) if(os.path.exists('input.txt')): sys.stdin = open("input.txt","r") ; sys.stdout = open("output.txt","w") else: input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline no = "No" yes = "Yes" def solve(): a,b = li() x = (pow(a*b,1/3)) x=round(x) if x*x*x==a*b and a%x==b%x==0: print(yes) else: print(no) t = 1 t = int(input()) for _ in range(t): solve()
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int N; int gcd(int x, int y) { while (y) { x %= y; swap(x, y); } return x; } int cube(int x) { return x * x * x; } int iscube(int x) { int y = 0; for (int l = 10; l >= 0; l--) { if (cube(y + (1 << l)) <= x) { y += 1 << l; } } return cube(y) == x; } int main() { scanf("%d", &N); for (int i = 0, x, y; i < N; i++) { scanf("%d%d", &x, &y); int g = gcd(x, y); int a = x / g, b = y / g; if (g % (1ll * a * b) == 0 && iscube(g / a / b)) { puts("Yes"); } else { puts("No"); } } }
7
CPP
#include <bits/stdc++.h> using namespace std; long long check(long long p) { return p * p * p; } long long res; bool binary_search(long long l, long long r, long long q) { long long mid = (l + r) / 2; while (l <= r) { mid = (l + r) / 2; long long c = check(mid); if (c > q) { r = mid - 1; } else if (c < q) { l = mid + 1; } else { res = mid; return true; } } return false; } long long gcd(long long a, long long b) { long long c = a % b; while (c) { a = b; b = c; c = a % b; } return b; } int main() { long long n; scanf("%lld", &n); while (n--) { long long a, b; scanf("%lld %lld", &a, &b); long long mn = min(a, b); long long mx = max(a, b); if (mn * mn < mx) { puts("No"); continue; } if (binary_search(1, 1e6, a * b)) { if (a % res == 0 && b % res == 0) { puts("Yes"); } else { puts("No"); } } else { puts("No"); } } }
7
CPP
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f, MOD = 1e9 + 7; long long cube(long long c) { long long l = 1, r = 1e6, mid; while (l < r) { mid = (l + r) / 2; if ((mid * mid * mid) < c) l = mid + 1; else r = mid; } return l; } int main() { int n; scanf("%d", &n); for (int t = 0; t < n; t++) { long long a, b; scanf("%lld%lld", &a, &b); long long c = cube(a * b); ((void)0); if (c * c * c != a * b) { printf("No\n"); continue; } ((void)0); if (a % c == 0 and b % c == 0) printf("Yes\n"); else printf("No\n"); } }
7
CPP
#include <bits/stdc++.h> using namespace std; using ll = long long; int main() { ios_base::sync_with_stdio(false); cin.tie(0); int t; cin >> t; while (t--) { ll a, b; cin >> a >> b; ll x = round(pow(a * b, 1.0 / 3.0)); if (pow(x, 3) == a * b && a % x == 0 && b % x == 0) cout << "YES\n"; else cout << "NO\n"; } }
7
CPP
#include <bits/stdc++.h> #pragma 03 #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #pragma GCC optimization("unroll-loops") using namespace std; signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); ; long long t; cin >> t; while (t--) { long long a, b; cin >> a >> b; long long k = floor(cbrt(a * b)); if (k * k * k != a * b) cout << "No\n"; else if (a % k == 0 && b % k == 0) cout << "Yes\n"; else cout << "No\n"; } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int T; long long a, b, x; int Calc(int x, int a) { int cnt = 0; for (; a % x == 0; a /= x, cnt++) ; return cnt; } bool judge(int x, int a, int b) { int p = Calc(x, a), q = Calc(x, b); return p + p >= q && q + q >= p; } int main() { for (cin >> T; T--;) { scanf("%lld%lld", &a, &b), x = a * b; long long p = pow(x, 1. / 3); if ((p + 1) * (p + 1) * (p + 1) == x) p = p + 1; if (p * p * p != x) { puts("No"); continue; } bool res = 1; for (long long i = 2; i * i <= p; i++) if (p % i == 0) { for (; p % i == 0; p /= i) ; if (!judge(i, a, b)) { res = 0; break; } } if (res && p > 1 && !judge(p, a, b)) res = 0; puts(res ? "Yes" : "No"); } }
7
CPP
import sys input = sys.stdin.readline print = sys.stdout.write cbrt = {i**3:i for i in range(1001)} n = int(input()) all_res = [] for _ in range(n): a, b = map(int, input().split()) if a == b: all_res.append('Yes' if a in cbrt else 'No') continue if a > b: a, b = b, a r = cbrt.get(a * a // b, 0) if r == 0 or a % (r * r) > 0: all_res.append('No') continue y = a //(r * r) if r * r * y == a and r * y * y == b: all_res.append('Yes') else: all_res.append('No') print('\n'.join(all_res))
7
PYTHON3
#include <bits/stdc++.h> using namespace std; const long long int inf = 1e9 + 7; const long long int modc = 998244353; int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); int n; cin >> n; while (n--) { long long int a, b; cin >> a >> b; long long int prod = a * b, cb = round(cbrt(prod)); if (cb * cb * cb == prod && a % cb == 0 && b % cb == 0) cout << "Yes\n"; else cout << "No\n"; } return 0; }
7
CPP
#include <bits/stdc++.h> const int maxh = 1e5 + 10, maxn = 350010; using namespace std; long long n, m, k, ps, pr[maxh]; vector<long long> p; map<pair<int, int>, int> mp; void sieve() { for (long long i = 2; i < maxh; i++) { if (pr[i]) continue; p.push_back(i); for (long long j = i * i; j < maxh; j += i) { pr[j] = 1; } } ps = p.size(); } long long gcd(long long a, long long b) { return (b == 0) ? a : gcd(b, a % b); } bool solve(long long a, long long b) { if (mp[make_pair(a, b)]) return mp[make_pair(a, b)] - 1; int c = gcd(a, b); for (long long i = 0; p[i] * p[i] <= c; i++) { if (c % p[i] == 0) { int x = 0, y = 0; while (c % p[i] == 0) c /= p[i]; while (a % p[i] == 0) a /= p[i], x++; while (b % p[i] == 0) b /= p[i], y++; if (2 * x - y < 0 || 2 * y - x < 0) return 0; if ((2 * x - y) % 3 || (2 * y - x) % 3) return 0; if (a > b) swap(a, b); if (a * a == b) return 1; } else if (a % p[i] == 0 || b % p[i] == 0) return 0; } if (c > 1) { int i = c; int x = 0, y = 0; while (a % i == 0) a /= i, x++; while (b % i == 0) b /= i, y++; if (2 * x - y < 0 || 2 * y - x < 0) return 0; if ((2 * x - y) % 3 || (2 * y - x) % 3) return 0; } if (a > 1 || b > 1) return 0; return 1; } int main() { sieve(); scanf("%I64d", &n); for (int i = 0; i < n; i++) { long long a, b; scanf("%I64d %I64d", &a, &b); int as = solve(a, b); mp[make_pair(a, b)] = as + 1; if (as) printf("Yes\n"); else printf("NO\n"); } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); map<long long, int> mp; for (long long i = 1; i <= 1e6; ++i) mp[i * i * i] = i; int t; cin >> t; while (t--) { long long a, b; cin >> a >> b; if (mp.count(a * b) and a % mp[a * b] == 0 and b % mp[a * b] == 0) cout << "YeS\n"; else cout << "nO\n"; } }
7
CPP
#include <bits/stdc++.h> using namespace std; long long int Cube_Root(long long int x) { long long int l = 1, r = 1000005; while (l < r) { long long int mid = (l + r) / 2; if (mid * mid * mid >= x) { r = mid; } else { l = mid + 1; } } if (l * l * l > x) { return l - 1; } else { return l; } } int main() { int n; scanf("%d", &n); while (n--) { long long int a, b, temp; scanf("%lld%lld", &a, &b); temp = Cube_Root(a * b); if ((temp * temp * temp == a * b) && (a % temp == 0) && (b % temp == 0)) { printf("Yes\n"); } else { printf("No\n"); } } return 0; }
7
CPP
#include <bits/stdc++.h> int main() { int T; scanf("%d", &T); while (T--) { long long a, b; scanf("%I64d%I64d", &a, &b); long long tmp = ceil(cbrt(a * b)); puts(tmp * tmp * tmp == a * b && a % tmp == 0 && b % tmp == 0 ? "Yes" : "No"); } return 0; }
7
CPP