solution
stringlengths
11
983k
difficulty
int64
0
21
language
stringclasses
2 values
#include <bits/stdc++.h> using namespace std; inline long long mod(long long n, long long m) { long long ret = n % m; if (ret < 0) ret += m; return ret; } long long gcd(long long a, long long b) { return (b == 0LL ? a : gcd(b, a % b)); } long long exp(long long a, long long b, long long m) { if (b == 0LL) return 1LL; if (b == 1LL) return mod(a, m); long long k = mod(exp(a, b / 2, m), m); if (b & 1LL) { return mod(a * mod(k * k, m), m); } else return mod(k * k, m); } int n; const int N = 300100, MX = 31, inf = 1e9; int a[N]; int dp[N][MX + 10]; int solve(int id, int j) { if (id > n) return 0; int& x = dp[id][j]; if (x != -1) return x; if (j >= MX) { return x = solve(id + 1, j - a[id]); } x = inf; if (j > 0) { int put = min(j, a[id]); x = solve(id + 1, j - put) + a[id] - put; } return x = min(x, solve(id + 1, j + a[id] / 10) + a[id]); } int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); ; memset(dp, -1, sizeof(dp)); cin >> n; for (int i = 1; i <= n; i++) { cin >> a[i]; a[i] /= 100; } cout << 100LL * solve(1, 0) << "\n"; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int MAX = 1123456; int x[MAX]; int n; int solve(int a, int b) { int k = 0, j = 0; for (int i = 1; i <= n; i++) { if (x[i] == 1000) a--; else b--; if (x[i] == 1000 && a >= 0 || x[i] == 2000 && b >= 0) { k += x[i], j += x[i] / 10; } else { k += x[i] - min(x[i], j), j -= min(x[i], j); } } return k; } int main() { scanf("%d", &n); int sum = 0; for (int i = 1; i <= n; i++) { scanf("%d", x + i); sum += x[i]; } int a = 0, b = 0, ans = sum; for (int i = 1; i <= n; i++) { sum -= x[i] / 10 * 11; if (sum <= 0) break; if (x[i] == 1000) a++; else b++; } ans = min(ans, solve(a, b)); ans = min(ans, solve(a + 1, b)); ans = min(ans, solve(a, b + 1)); ans = min(ans, solve(a - 1, b + 1)); printf("%d\n", ans); }
10
CPP
#include <bits/stdc++.h> int min(int a, int b) { return a < b ? a : b; } int max(int a, int b) { return a > b ? a : b; } int main() { static int aa[300000], pp[300000], ip[300000], iq[300000]; int n, i, i_, ans; scanf("%d", &n); for (i = 0; i < n; i++) { int a; scanf("%d", &a); pp[i] = aa[i] = a; } for (i = 1; i < n; i++) pp[i] += pp[i - 1]; for (i = 0, i_ = -1; i < n; i++) { if (aa[i] == 1000) i_ = i; ip[i] = i_; } for (i = n - 1, i_ = n; i >= 0; i--) { if (aa[i] == 1000) i_ = i; iq[i] = i_; } ans = n * 2000; for (i = 0; i < n; i++) { int a, b, x, y; x = pp[i]; a = x; b = x / 10; x = pp[n - 1] - pp[i], y = min(x, b); a += x - y; b -= y; ans = min(ans, a); if (aa[i] == 2000) { i_ = ip[i]; if (i_ != -1) { x = i_ == 0 ? 0 : pp[i_ - 1]; a = x; b = x / 10; x = aa[i_], y = min(x, b); a += x - y; b -= y; x = pp[i] - pp[i_]; a += x; b += x / 10; x = pp[n - 1] - pp[i], y = min(x, b); a += x - y; b -= y; ans = min(ans, a); } i_ = iq[i]; if (i_ != n) { x = pp[i]; a = x; b = x / 10; x = pp[i_ - 1] - pp[i], y = min(x, b); a += x - y; b -= y; x = aa[i_]; a += x; b += x / 10; x = pp[n - 1] - pp[i_], y = min(x, b); a += x - y; b -= y; ans = min(ans, a); } } } printf("%d\n", ans); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const long long inf = 9.2e18; const int maxn = 300007; const int INF = 2.1e9; const int MOD = 1e9 + 7; const double dif = 1e-7; const double PI = 3.14159265358979323846; int n, m, k, sum = 0; int a[maxn], pre[maxn]; bool check(int x) { int d = sum - k, s = 0, flag1 = 0, flag2 = 0; if (d > k / 10) return false; int i; for (i = n; i >= 1; i--) { if (s >= d) break; s += a[i]; if (a[i] == 10) flag1 = 1; if (a[i] == 20) flag2 = 1; } if (pre[i] >= d * 10) return true; else if (flag1 && s - d >= 10 && d * 10 - pre[i] <= 10) return true; else if (flag2 && s - d >= 10 && d * 10 - pre[i] <= 10) { for (; i >= 1; i--) if (a[i] == 10) return pre[i - 1] >= 100; } return false; } int main(void) { while (cin >> n) { pre[0] = 0; for (int i = 1; i <= n; i++) { cin >> a[i]; a[i] /= 100; pre[i] = pre[i - 1] + a[i]; } sum = pre[n]; k = sum / 11 * 10; while (!check(k)) k++; cout << k * 100 << endl; } return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; int n, s, cnt, tmp, a[300001]; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) scanf("%d", &a[i]), s += a[i], cnt += a[i] < 2000; int tmp = s / 1100; if (s <= 11000) tmp = (s - a[n]) / 1000; if (!cnt && tmp & 1) tmp--; return printf("%d\n", s - tmp * 100), 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int MAXD = 35; int n, a[300005]; long long f[300005][MAXD + 5]; int main() { scanf("%d", &n); for (int i = 1; i <= n; ++i) scanf("%d", &a[i]); for (int i = 1; i <= n; ++i) a[i] /= 100; for (int i = 0; i <= n; ++i) for (int j = 0; j <= MAXD; ++j) f[i][j] = 1e18; f[0][0] = 0; for (int i = 1; i <= n; ++i) { for (int j = 0; j <= MAXD; ++j) { if (f[i - 1][j] == 1e18) continue; if (j >= a[i]) f[i][j - a[i]] = min(f[i][j - a[i]], f[i - 1][j]); else f[i][0] = min(f[i][0], f[i - 1][j] + (a[i] - j) * 100); f[i][min(j + a[i] / 10, MAXD)] = min(f[i][min(j + a[i] / 10, MAXD)], f[i - 1][j] + a[i] * 100); } } long long ans = 1e18; for (int i = 0; i <= MAXD; ++i) ans = min(ans, f[n][i]); printf("%I64d\n", ans); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; using ll = long long; template <class t, class u> void chmax(t& first, u second) { if (first < second) first = second; } template <class t, class u> void chmin(t& first, u second) { if (second < first) first = second; } template <class t> using vc = vector<t>; template <class t> using vvc = vc<vc<t>>; using pi = pair<ll, ll>; using vi = vc<ll>; template <class t, class u> ostream& operator<<(ostream& os, const pair<t, u>& p) { return os << "{" << p.first << "," << p.second << "}"; } template <class t> ostream& operator<<(ostream& os, const vc<t>& v) { os << "{"; for (auto e : v) os << e << ","; return os << "}"; } using uint = unsigned; using ull = unsigned long long; template <class t, size_t n> ostream& operator<<(ostream& os, const array<t, n>& first) { return os << vc<t>(first.begin(), first.end()); } template <ll i, class T> void print_tuple(ostream&, const T&) {} template <ll i, class T, class H, class... Args> void print_tuple(ostream& os, const T& t) { if (i) os << ","; os << get<i>(t); print_tuple<i + 1, T, Args...>(os, t); } template <class... Args> ostream& operator<<(ostream& os, const tuple<Args...>& t) { os << "{"; print_tuple<0, tuple<Args...>, Args...>(os, t); return os << "}"; } template <class t> void print(t x, ll suc = 1) { cout << x; if (suc == 1) cout << "\n"; if (suc == 2) cout << " "; } ll read() { ll i; cin >> i; return i; } vi readvi(ll n, ll off = 0) { vi v(n); for (ll i = ll(0); i < ll(n); i++) v[i] = read() + off; return v; } template <class T> void print(const vector<T>& v, ll suc = 1) { for (ll i = ll(0); i < ll(v.size()); i++) print(v[i], i == ll(v.size()) - 1 ? suc : 2); } string readString() { string s; cin >> s; return s; } template <class T> T sq(const T& t) { return t * t; } void yes(bool ex = true) { cout << "Yes" << "\n"; if (ex) exit(0); } void no(bool ex = true) { cout << "No" << "\n"; if (ex) exit(0); } void possible(bool ex = true) { cout << "Possible" << "\n"; if (ex) exit(0); } void impossible(bool ex = true) { cout << "Impossible" << "\n"; if (ex) exit(0); } constexpr ll ten(ll n) { return n == 0 ? 1 : ten(n - 1) * 10; } const ll infLL = LLONG_MAX / 3; const ll inf = infLL; ll topbit(signed t) { return t == 0 ? -1 : 31 - __builtin_clz(t); } ll topbit(ll t) { return t == 0 ? -1 : 63 - __builtin_clzll(t); } ll botbit(signed first) { return first == 0 ? 32 : __builtin_ctz(first); } ll botbit(ll first) { return first == 0 ? 64 : __builtin_ctzll(first); } ll popcount(signed t) { return __builtin_popcount(t); } ll popcount(ll t) { return __builtin_popcountll(t); } bool ispow2(ll i) { return i && (i & -i) == i; } ll mask(ll i) { return (ll(1) << i) - 1; } bool inc(ll first, ll second, ll c) { return first <= second && second <= c; } template <class t> void mkuni(vc<t>& v) { sort(v.begin(), v.end()); v.erase(unique(v.begin(), v.end()), v.end()); } ll rand_int(ll l, ll r) { static mt19937_64 gen(chrono::steady_clock::now().time_since_epoch().count()); return uniform_int_distribution<ll>(l, r)(gen); } template <class t> void myshuffle(vc<t>& first) { for (ll i = ll(0); i < ll(ll(first.size())); i++) swap(first[i], first[rand_int(0, i)]); } template <class t> ll lwb(const vc<t>& v, const t& first) { return lower_bound(v.begin(), v.end(), first) - v.begin(); } signed main() { cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(20); ll n; cin >> n; vi first = readvi(n); ll s = 0; for (ll i = ll(0); i < ll(n); i++) { first[i] /= 1000; s += first[i]; } ll ans = inf; ll tar = s * 10 / 11; for (ll u = ll(tar - 10); u < ll(tar + 10); u++) { if (inc(0, u, s)) { ll head = 0, cur = 0; while (head < n && cur + first[head] <= u) cur += first[head++]; vi c(n); for (ll i = ll(0); i < ll(head); i++) c[i] = 1; auto upd = [&]() { ll sum = 0, bon = 0; for (ll i = ll(0); i < ll(n); i++) { if (c[i]) { sum += first[i] * 10; bon += first[i]; } else { ll w = min(first[i] * 10, bon); sum += first[i] * 10 - w; bon -= w; } } chmin(ans, sum); }; upd(); { for (ll i = ll(head); i < ll(n); i++) { if (first[i] == 1) { c[i] = 1; upd(); c[i] = 0; break; } } } if (head < n) { c[head] = 1; for (ll i = ll(head) - 1; i >= ll(0); i--) { if (first[i] == 1) { c[i] = 0; upd(); c[i] = 1; break; } } } } } print(ans * 100); }
10
CPP
#include <bits/stdc++.h> using namespace std; int f(int p1, int r1, int p, int S) { int a = min(p1 / 10, r1); int res = p1 + r1 - a; int rem = p1 / 10 - a; return res + p - p1 + max(0, S - p - r1 - (p - p1) / 10 - rem); } int main() { int n; scanf("%d", &n); vector<int> a(n); vector<int> s(n + 1); vector<int> v; for (int i = 0; i < n; ++i) { scanf("%d", &a[i]); s[i + 1] = s[i] + a[i]; if (a[i] == 1000) v.push_back(i); } int S = s.back(); int res = S; for (int i = 0; i < n; ++i) { int p = s[i + 1]; res = min(res, p + max(0, S - p - p / 10)); } if (!v.empty()) { int s1 = 0; for (int i = 0; i < n; ++i) { if (a[i] == 1000) s1 = s[i]; res = min(res, f(s1, 1000, s[i + 1] - 1000, S)); } for (int i = 0; i < n; ++i) { int nx = lower_bound(v.begin(), v.end(), i + 1) - v.begin(); if (nx < (int)v.size() && s[i + 1] / 10 >= s[v[nx]] - s[i + 1]) { res = min(res, f(s[i + 1], s[v[nx]] - s[i + 1], s[i + 1] + 1000, S)); } } } printf("%d\n", res); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; int a[300005]; int lastone[300005]; int nextone[300005]; long long sum[300005]; vector<int> vt[3]; int main() { int n; scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); sum[i] = sum[i - 1] + a[i]; lastone[i] = (a[i] == 1000) ? i : lastone[i - 1]; } for (int i = n; i >= 1; i--) { nextone[i] = (a[i] == 1000) ? i : nextone[i + 1]; } long long ans = sum[n]; for (int i = 1; i <= n; i++) { long long bonus = sum[i] / 10; long long rem = sum[n] - sum[i]; long long res = sum[i] + rem - min(rem, bonus); ans = min(ans, res); if (a[i] == 2000) { int las = lastone[i]; if (las) { res = sum[las - 1]; bonus = sum[las - 1] / 10; res += a[las] - min(a[las] + 0ll, bonus); bonus -= min(a[las] + 0ll, bonus); bonus += (sum[i] - sum[las]) / 10; res += (sum[i] - sum[las]); rem = sum[n] - sum[i]; res += rem - min(rem, bonus); ans = min(ans, res); } las = nextone[i + 1]; if (las) { res = sum[i]; bonus = sum[i] / 10; res += (sum[las - 1] - sum[i]) - min(sum[las - 1] - sum[i], bonus); bonus -= min(sum[las - 1] - sum[i], bonus); bonus += a[las] / 10; res += a[las]; rem = sum[n] - sum[las]; res += rem - min(rem, bonus); ans = min(ans, res); } } } printf("%lld\n", ans); }
10
CPP
#include <bits/stdc++.h> using namespace std; int a[300005]; int main() { memset(a, 0, sizeof(a)); int n = 0, total = 0; scanf("%d", &n); for (int i = 0; i < n; ++i) { scanf("%d", &a[i]); total += a[i] / 1000; } int x = total * 10 / 11; x = min(x, total - a[n - 1] / 1000); bool ck = false; for (int i = 0; i < n - 1; ++i) { if (a[i] == 1000) { ck = true; break; } } if (!ck && x % 2 == 1) { --x; } int res = total * 1000 - x * 100; printf("%d", res); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int MAXN = 300000; const int INF = 1000000000; const int MAXV = 40; int n; int a[MAXN]; int dp[2][MAXV + 1]; int main() { scanf("%d", &n); for (int i = 0; i < n; i++) scanf("%d", &a[i]); for (int i = 0; i <= MAXV; i++) dp[0][i] = INF; dp[0][0] = 0; int t = 0; for (int i = 0; i < n; i++, t = 1 - t) { for (int j = 0; j <= MAXV; j++) dp[1 - t][j] = INF; for (int j = 0; j <= MAXV; j++) if (dp[t][j] < INF) { int nj = min(j + a[i] / 1000, MAXV); dp[1 - t][nj] = min(dp[1 - t][nj], dp[t][j] + a[i]); int discount = min(a[i], 100 * j); nj = j - discount / 100; dp[1 - t][nj] = min(dp[1 - t][nj], dp[t][j] + a[i] - discount); } } int res = INF; for (int i = 0; i <= MAXV; i++) res = min(res, dp[t][i]); printf("%d\n", res); }
10
CPP
#include <bits/stdc++.h> using namespace std; const int Imx = 2147483647; const long long Lbig = 2e18; const int mod = 1e9 + 7; struct fastio { char s[100000]; int it, len; fastio() { it = len = 0; } inline char get() { if (it < len) return s[it++]; it = 0; len = fread(s, 1, 100000, stdin); if (len == 0) return EOF; else return s[it++]; } bool notend() { char c = get(); while (c == ' ' || c == '\n') c = get(); if (it > 0) it--; return c != EOF; } } _buff; inline long long getnum() { long long r = 0; bool ng = 0; char c; c = _buff.get(); while (c != '-' && (c < '0' || c > '9')) c = _buff.get(); if (c == '-') ng = 1, c = _buff.get(); while (c >= '0' && c <= '9') r = r * 10 + c - '0', c = _buff.get(); return ng ? -r : r; } template <class T> inline void putnum(T x) { if (x < 0) putchar('-'), x = -x; register short a[20] = {}, sz = 0; while (x) a[sz++] = x % 10, x /= 10; if (sz == 0) putchar('0'); for (int i = sz - 1; i >= 0; i--) putchar('0' + a[i]); } inline char getreal() { char c = _buff.get(); while (c == ' ' || c == '\n') c = _buff.get(); return c; } int n, a[300111]; long long pre[300111]; int main() { n = getnum(); long long sum = 0; for (int i = 1; i <= n; i++) { a[i] = getnum(); sum += a[i]; pre[i] = pre[i - 1] + a[i]; } pre[n + 1] = pre[n]; long long ans = 0; for (int i = 1; i <= n; i++) { ans = max(ans, min(pre[i] / 10, pre[n] - pre[i])); } int ir = 1; for (int i = 1; i <= n; i++) { while (i <= n && a[i] == a[ir]) ir++; long long cur = min(pre[i - 1] / 10, pre[ir - 1] - pre[i - 1]); long long lft = pre[i - 1] - cur * 10; int l = ir, r = n; while (l <= r) { int mid = l + r >> 1; if ((pre[mid] - pre[ir - 1] + lft) / 10 < pre[n] - pre[mid]) l = mid + 1; else r = mid - 1; } long long a1 = min((pre[l] - pre[ir - 1] + lft) / 10, pre[n] - pre[l]); long long a2 = min((pre[r] - pre[ir - 1] + lft) / 10, pre[n] - pre[r]); ans = max(ans, max(cur + a1, cur + a2)); } cout << sum - ans << endl; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = -1; const int INF = 1.01e9; int main() { int n; scanf("%d", &n); vector<int> a(n); for (int i = 0; i < (n); i++) { scanf("%d", &a[i]); } vector<int> pref; pref.push_back(0); for (int i = 0; i < (n); i++) { pref.push_back(pref.back() + a[i]); } auto getSum = [&](int l, int r) { return pref[r] - pref[l]; }; int answer = pref[n]; vector<int> pos; for (int i = 0; i < (n); i++) { if (a[i] == 1000 && pos.size() < 12) { pos.push_back(i); } } pos.push_back(-1); auto solve = [&](int when) { int bonus = 0; int res = 0; for (int i = 0; i < (n); i++) { if (when == i) { int x = min(a[i], bonus); bonus -= x; } else { res += a[i] / 10; bonus += a[i] / 10; if (getSum(i + 1, n) < bonus) { answer = min(answer, pref[n] - (res - (bonus - getSum(i + 1, n)))); break; } } answer = min(answer, pref[n] - res); } }; for (auto x : pos) { solve(x); } int opt = (pref[n] / 11) / 100 * 100; int cur = n - 1; int curSum = 0; bool sawOne = 0; for (; cur >= 0 && curSum + a[cur] <= opt; cur--) { curSum += a[cur]; sawOne |= a[cur] == 1000; } if (sawOne) { answer = min(answer, pref[n] - opt); } cout << answer << endl; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; constexpr int MOD = 1000000007; template <typename T, typename U> std::istream& operator>>(std::istream& i, pair<T, U>& p) { i >> p.first >> p.second; return i; } template <typename T> std::istream& operator>>(std::istream& i, vector<T>& t) { for (auto& v : t) { i >> v; } return i; } template <typename T> std::ostream& operator<<(std::ostream& o, const vector<T>& t) { for (size_t i = 0; i < t.size(); ++i) { o << t[i] << " \n"[i == t.size() - 1]; } return o; } template <typename T> using minheap = priority_queue<T, vector<T>, greater<T>>; template <typename T> using maxheap = priority_queue<T, vector<T>, less<T>>; auto fraclt = [](const std::pair<int, int>& a, const std::pair<int, int>& b) { return (long long)a.first * b.second < (long long)b.first * a.second; }; struct cmpfrac { bool operator()(const std::pair<int, int>& a, const std::pair<int, int>& b) const { return (long long)a.first * b.second < (long long)b.first * a.second; } }; template <typename T> bool in(T a, T b, T c) { return a <= b && b < c; } unsigned int logceil(long long first) { unsigned int b = 0; while (first) { first >>= 1; ++b; } return b; } namespace std { template <typename T, typename U> struct hash<pair<T, U>> { hash<T> t; hash<U> u; size_t operator()(const pair<T, U>& p) const { return t(p.first) ^ (u(p.second) << 7); } }; } // namespace std template <typename T, typename F> T bsh(T l, T h, const F& f) { T r = -1, m; while (l <= h) { m = (l + h) / 2; if (f(m)) { l = m + 1; r = m; } else { h = m - 1; } } return r; } template <typename T, typename F> T bsl(T l, T h, const F& f) { T r = -1, m; while (l <= h) { m = (l + h) / 2; if (f(m)) { h = m - 1; r = m; } else { l = m + 1; } } return r; } template <typename T> T gcd(T a, T b) { if (a < b) swap(a, b); return b ? gcd(b, a % b) : a; } template <typename T> class vector2 : public vector<vector<T>> { public: vector2() {} vector2(size_t a, size_t b, T t = T()) : vector<vector<T>>(a, vector<T>(b, t)) {} }; template <typename T> class vector3 : public vector<vector<vector<T>>> { public: vector3() {} vector3(size_t a, size_t b, size_t c, T t = T()) : vector<vector<vector<T>>>(a, vector<vector<T>>(b, vector<T>(c, t))) {} }; template <typename T> struct bounded_priority_queue { inline bounded_priority_queue(unsigned int X) : A(X), B(0) {} inline void push(unsigned int L, T V) { B = max(B, L); A[L].push(V); } inline const T& top() const { return A[B].front(); } inline void pop() { A[B].pop(); while (B > 0 && A[B].empty()) --B; } inline bool empty() const { return A[B].empty(); } inline void clear() { B = 0; for (auto& a : A) a = queue<T>(); } private: vector<queue<T>> A; unsigned int B; }; constexpr int mx = 33; class TaskD { public: void solve(istream& cin, ostream& cout) { int N; cin >> N; vector<int> D(mx, MOD), E(mx); D[0] = 0; for (int i = 0; i < N; ++i) { fill(E.begin(), E.end(), MOD); int a; cin >> a; int b = a / 1000; int c = a / 100; for (int j = 0; j < mx; ++j) { if (j >= c) E[j - c] = min(E[j - c], D[j]); else E[0] = min(E[0], D[j] + (c - j)); if (j + b < mx) E[j + b] = min(E[j + b], D[j] + c); } swap(D, E); } int ans = *min_element(D.begin(), D.end()); cout << 100LL * ans << endl; } }; int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); TaskD solver; std::istream& in(std::cin); std::ostream& out(std::cout); solver.solve(in, out); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 3e5 + 100; const int L = 30; const int oo = 1e9; int N, A[maxn]; int dp[L + 5][maxn]; inline void change(int &ret, int v) { if (ret > v) ret = v; } int solve() { for (int i = (0), _i = (L + 1); i <= _i; i++) for (int j = (0), _j = (N); j <= _j; j++) dp[i][j] = oo; dp[0][0] = 0; for (int i = (0), _i = (N - 1); i <= _i; i++) for (int j = (0), _j = (L + 1); j <= _j; j++) if (dp[j][i] != oo) { int cost = A[i + 1]; if (j < L) change(dp[j + cost / 10][i + 1], dp[j][i] + cost); for (int k = (1), _k = (min(cost, j)); k <= _k; k++) change(dp[j - k][i + 1], dp[j][i] + cost - k); } int ans = oo; for (int i = (0), _i = (L + 1); i <= _i; i++) if (dp[i][N] != oo) change(ans, dp[i][N]); return ans; } int main() { for (; scanf("%d", &N) != EOF;) { for (int i = (1), _i = (N); i <= _i; i++) scanf("%d", &A[i]); for (int i = (1), _i = (N); i <= _i; i++) A[i] /= 100; int ans = solve(); printf("%d\n", ans * 100); } return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; long long n, ai, summ; vector<long long> data; vector<long long> sums, nexts, prevs; bool checker(long long mid) { long long ww = mid; if (mid * 11 > summ) return false; long long gr; for (long long i = n - 1; i >= 0; i--) { if (data[i] > mid) { gr = i; break; } mid -= data[i]; } if (mid == 0) return true; if (data[gr] == 1000) return true; if (data[gr] == 2000 && mid > 1000) return true; if (sums[gr] >= 10 * ww) return true; if (nexts[gr] != n - 1 && nexts[gr] != -1) return true; if (prevs[gr] == -1) return false; long long ind = prevs[gr]; if (sums[ind] >= 10 * (mid)) return true; return false; } int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n; summ = 0; sums.push_back(summ); for (long long i = 0; i < n; i++) { cin >> ai; summ += ai; sums.push_back(summ); data.push_back(ai); } if (data[0] == 1000) prevs.push_back(0); else prevs.push_back(-1); for (long long i = 0; i < n; i++) { nexts.push_back(-1); } if (data[n - 1] == 1000) nexts[n - 1] = n - 1; else nexts[n - 1] = -1; for (long long i = 1; i < n; i++) { if (data[i] == 1000) prevs.push_back(i); else prevs.push_back(prevs[i - 1]); } for (long long i = n - 2; i >= 0; i--) { if (data[i] == 1000) nexts[i] = i; else nexts[i] = nexts[i + 1]; } long long left = 0; long long right = summ / 100 + 2; while (right - left > 1) { long long mid = (left + right) / 2; bool res = checker(100 * mid); if (res) left = mid; else right = mid; } cout << summ - left * 100 << endl; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = 3e5 + 7, inf = 1e9 + 7; int a[N], dp[2][50], now, n; void gmin(int &a, int b) { if (a > b) a = b; } int main() { scanf("%d", &n); for (int i = 1; i <= n; ++i) scanf("%d", a + i), a[i] /= 100; now = 0; for (int i = 1; i <= 40; ++i) dp[now][i] = inf; for (int i = 1; i <= n; ++i) { now ^= 1; for (int j = 0; j <= 40; ++j) dp[now][j] = inf; for (int j = 0; j <= 40; ++j) { gmin(dp[now][j + a[i] / 10], dp[now ^ 1][j] + a[i]); gmin(dp[now][j - a[i] + max(a[i] - j, 0)], dp[now ^ 1][j] + max(a[i] - j, 0)); } } int ans = inf; for (int i = 0; i <= 40; ++i) gmin(ans, dp[now][i]); printf("%d00\n", ans); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int MAXN = 300000 + 10; const int MAXY = 40; int N; long long DP[MAXN][MAXY + 1]; void Work() { scanf("%d", &N); memset(DP, 1, sizeof(DP)); DP[0][0] = 0; for (int i = 1; i <= N; i++) { int ai, add; scanf("%d", &ai); ai = ai / 100; add = ai / 10; for (int j = 0; j <= MAXY; j++) { if (j + add <= MAXY) DP[i][j + add] = min(DP[i][j + add], DP[i - 1][j] + ai); int use = min(j, ai); DP[i][j - use] = min(DP[i][j - use], DP[i - 1][j] + ai - use); } } long long Ans = 10000000000000000LL; for (int j = 0; j <= MAXY; j++) Ans = min(Ans, DP[N][j] * 100LL); printf("%I64d\n", Ans); } int main() { Work(); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n; cin >> n; vector<long long> a(n); for (int i = 0; i < n; i++) cin >> a[i]; long long res = 1LL << 55; vector<long long> psum(n + 1); for (int i = 0; i < n; i++) psum[i + 1] = psum[i] + a[i]; for (int i = 0; i <= n; i++) { long long p0 = psum[i]; long long p1 = max(0LL, psum[n] - psum[i] - p0 / 10); res = min(res, p0 + p1); } int last = -1; for (int i = 0; i <= n; i++) { long long p0 = ((last == -1) ? 0LL : psum[last]) - psum[0]; long long p1 = max(0LL, 1000 - p0 / 10); long long p2 = psum[i] - psum[last + 1]; long long p3 = max(0LL, psum[n] - psum[i] - (p0 / 10 - (1000 - p1) + p2 / 10)); if (last >= 0) res = min(res, p0 + p1 + p2 + p3); if (i < n && a[i] == 1000) last = i; } vector<int> nex(n + 1, n); for (int i = n - 1; i >= 0; i--) { nex[i] = nex[i + 1]; if (a[i] == 1000) nex[i] = i; } for (int i = 0; i <= n; i++) { if (nex[i] == n) break; long long p0 = psum[i]; long long p1 = max(0LL, psum[nex[i]] - psum[i] - p0 / 10); long long p2 = 1000; long long p3 = max(0LL, psum[n] - psum[nex[i] + 1] - (p0 / 10 - (psum[nex[i]] - psum[i] - p1) + p2 / 10)); res = min(res, p0 + p1 + p2 + p3); } cout << res << "\n"; }
10
CPP
#include <bits/stdc++.h> using namespace std; template <class P, class Q> inline void smin(P &a, Q b) { if (b < a) a = b; } template <class P, class Q> inline void smax(P &a, Q b) { if (a < b) a = b; } const int maxn = 300000 + 100; int n; int a[maxn], s[maxn]; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cin >> n; for (int i = 0, i__n = (int)(n); i < i__n; ++i) cin >> a[i], s[i + 1] = s[i] + a[i]; int f = s[n] / 11 / 100; int pos = lower_bound(s, s + n + 1, f * 1000) - s; if (s[pos] > f * 1000 && pos == n) f--; cout << s[n] - f * 100 << endl; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; int Stv[1 << 8]; inline int read() { int f = 1, res = 0, ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') f = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') res = res * 10 + ch - 48, ch = getchar(); return f * res; } int n, f[2][35]; int main() { n = read(); memset(f, 127, sizeof(f)); int INF = f[0][0]; f[0][0] = 0; int now, pre; for (int i = 1, _Lim = n; i <= _Lim; i++) { now = i & 1, pre = now ^ 1; memset(f[now], 127, sizeof(f[now])); int val = read() / 100, tik = val / 10; for (int j = 0, _Lim = 30 - tik; j <= _Lim; j++) f[now][j + tik] = min(f[now][j + tik], f[pre][j] + val); for (int j = 0, _Lim = 30; j <= _Lim; j++) f[now][j - min(j, val)] = min(f[now][j - min(j, val)], f[pre][j] + val - min(j, val)); } int Ans = INF; for (int i = 0, _Lim = 30; i <= _Lim; i++) Ans = min(Ans, f[now][i]); printf("%d\n", Ans * 100); }
10
CPP
#include <bits/stdc++.h> using namespace std; const long long N = 3e5; long long n, a[N], dp[N][40]; void solveTestCase() { for (long long i = 0; i < N; i++) { for (long long j = 0; j < 40; j++) dp[i][j] = 1e18; } cin >> n; for (long long i = 0; i < n; i++) cin >> a[i]; if (a[0] == 1000) dp[0][1] = 1000; else dp[0][2] = 2000; for (long long i = 1; i < n; i++) { if (a[i] == 1000) { for (long long j = 1; j < 40; j++) dp[i][j] = dp[i - 1][j - 1] + 1000; for (long long j = 0; j < 30; j++) dp[i][j] = min(dp[i][j], dp[i - 1][j + 10]); for (long long j = 1; j <= 10; j++) dp[i][0] = min(dp[i][0], dp[i - 1][j] + 1000 - j * 100); } else { for (long long j = 2; j < 40; j++) dp[i][j] = dp[i - 1][j - 2] + 2000; for (long long j = 0; j < 20; j++) dp[i][j] = min(dp[i][j], dp[i - 1][j + 20]); for (long long j = 1; j <= 20; j++) dp[i][0] = min(dp[i][0], dp[i - 1][j] + 2000 - j * 100); } } cout << min({dp[n - 1][0], dp[n - 1][1], dp[n - 1][2]}); } signed main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); long long t = 1; while (t--) solveTestCase(); }
10
CPP
#include <bits/stdc++.h> using namespace std; const int MAXN = 300005; int n; long long a[MAXN], dp[MAXN][35]; inline void chkmin(long long& x, long long y) { if (y < x) x = y; } int main() { scanf("%d", &n); for (long long i = 0; i < n; i++) { scanf("%lld", &a[i]); } memset(dp, 127 / 2, sizeof(dp)); dp[0][0] = 0; for (long long i = 0; i < n; i++) { for (long long j = 0; j <= 30; j++) { chkmin(dp[i + 1][j + a[i] / 1000], dp[i][j] + a[i]); chkmin(dp[i + 1][j - min(j, a[i] / 100)], dp[i][j] + a[i] - 100 * min(j, a[i] / 100)); } } long long ans = LLONG_MAX; for (long long j = 0; j <= 30; j++) { ans = min(ans, dp[n][j]); } printf("%lld\n", ans); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; char ch; int n, a[300002]; long long f[300002][41], ans; inline void read(int &x) { x = 0; do { ch = getchar(); } while (ch < '0' || '9' < ch); do { x = x * 10 + ch - '0'; ch = getchar(); } while ('0' <= ch && ch <= '9'); } inline void read(long long &x) { x = 0; do { ch = getchar(); } while (ch < '0' || '9' < ch); do { x = x * 10 + ch - '0'; ch = getchar(); } while ('0' <= ch && ch <= '9'); } inline void updata(long long &x, const long long &y) { x = min(x, y); } int main(void) { read(n); for (int i = (1); i <= (n); i++) read(a[i]), a[i] /= 100; memset(f, 0x3f, sizeof(f)); f[0][0] = 0; for (int i = 0; i < (n); i++) for (int j = 0; j < (41); j++) { if (j + a[i + 1] / 10 <= 40) updata(f[i + 1][j + a[i + 1] / 10], f[i][j] + a[i + 1]); updata(f[i + 1][max(0, j - a[i + 1])], f[i][j] + max(0, a[i + 1] - j)); } ans = 0x3f3f3f3f; for (int i = 0; i < (41); i++) updata(ans, f[n][i]); cout << ans * 100; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = 3e5 + 4, M = 31, INF = 1e9; int n, a[N], dp[N][M]; int main() { cin >> n; for (int i = 1; i <= n; i++) cin >> a[i], a[i] /= 100; for (int i = 0; i <= n; i++) for (int j = 0; j < M; j++) dp[i][j] = INF; dp[0][0] = 0; for (int i = 0; i < n; i++) for (int j = 0; j < M; j++) { dp[i + 1][max(j - a[i + 1], 0)] = min(dp[i][j] + max(a[i + 1] - j, 0), dp[i + 1][max(j - a[i + 1], 0)]); if (j + a[i] / 10 < M) dp[i + 1][j + a[i + 1] / 10] = min(dp[i][j] + a[i + 1], dp[i + 1][j + a[i + 1] / 10]); } cout << dp[n][0] * 100; }
10
CPP
#include <bits/stdc++.h> using namespace std; char ch; int n, a[300002]; long long f[300002][41], ans; inline void read(int &x) { x = 0; do { ch = getchar(); } while (ch < '0' || '9' < ch); do { x = x * 10 + ch - '0'; ch = getchar(); } while ('0' <= ch && ch <= '9'); } inline void read(long long &x) { x = 0; do { ch = getchar(); } while (ch < '0' || '9' < ch); do { x = x * 10 + ch - '0'; ch = getchar(); } while ('0' <= ch && ch <= '9'); } inline void updata(long long &x, const long long &y) { x = min(x, y); } int main(void) { read(n); for (int i = (1); i <= (n); i++) read(a[i]), a[i] /= 100; memset(f, 0x3f, sizeof(f)); f[0][0] = 0; for (int i = 0; i < (n); i++) for (int j = 0; j < (41); j++) { if (j + a[i + 1] / 10 <= 40) updata(f[i + 1][j + a[i + 1] / 10], f[i][j] + a[i + 1]); updata(f[i + 1][max(0, j - a[i + 1])], f[i][j] + max(0, a[i + 1] - j)); } ans = 0x3f3f3f3f; for (int i = 0; i < (41); i++) updata(ans, f[n][i]); printf("%d", ans * 100); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; int n, sum, ans, aans, now; int main() { cin >> n; for (int x = 1; x <= n; x++) cin >> now, sum += now / 1000, ans += (now == 1000); if (sum <= 11) aans = sum - now / 1000; else aans = sum * 10 / 11; cout << sum * 1000 - (aans - (!ans && aans % 2 == 1)) * 100 << endl; }
10
CPP
#include <bits/stdc++.h> using namespace std; int N; int A[303030]; signed long long dp[303030][32]; void solve() { int i, j, k, l, r, x, y; string s; scanf("%d", &N); for (i = 0; i < (N); i++) scanf("%d", &A[i]), A[i] /= 100; for (i = 0; i < (N + 1); i++) for (j = 0; j < (32); j++) dp[i][j] = 1LL << 60; dp[0][0] = 0; for (i = 0; i < (N); i++) { for (j = 0; j < (32); j++) if (dp[i][j] < 1LL << 60) { for (int use = 0; use <= min(j, A[i]); use++) { dp[i + 1][j - use] = min(dp[i + 1][j - use], dp[i][j] + A[i] - use); } if (j < 30) dp[i + 1][j + A[i] / 10] = min(dp[i + 1][j + A[i] / 10], dp[i][j] + A[i]); } } signed long long mi = 1LL << 60; for (i = 0; i < (32); i++) mi = min(mi, dp[N][i] * 100); cout << mi << endl; } int main(int argc, char** argv) { string s; int i; if (argc == 1) ios::sync_with_stdio(false), cin.tie(0); for (i = 0; i < (argc - 1); i++) s += argv[i + 1], s += '\n'; for (i = 0; i < (s.size()); i++) ungetc(s[s.size() - 1 - i], stdin); cout.tie(0); solve(); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = 3e5 + 7; int n, ans; int a[N], f[N][35]; int main() { scanf("%d", &n); for (int i = 0; i < n; i++) scanf("%d", &a[i]); memset(f, 60, sizeof f); ans = f[0][0]; f[0][0] = 0; for (int i = 0; i < n; i++) for (int j = 0; j <= 30; j++) { f[i + 1][j + a[i] / 1000] = min(f[i + 1][j + a[i] / 1000], f[i][j] + a[i]); f[i + 1][j - min(j, a[i] / 100)] = min(f[i + 1][j - min(j, a[i] / 100)], f[i][j] + a[i] - 100 * min(a[i] / 100, j)); } for (int i = 0; i <= 30; i++) ans = min(ans, f[n][i]); printf("%d\n", ans); }
10
CPP
#include <bits/stdc++.h> using namespace std; int n, a[300300]; int total = 0, cnt1 = 0, cnt2 = 0; int before[300300]; inline int countBonus(int x, int y) { return min(x * 100 + y * 200, (cnt1 - x) * 1000 + (cnt2 - y) * 2000); } int main() { int maxBonus = 0, current; int l, r, mid1, mid2, b1, b2; scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); if (a[i] == 1000) { cnt1++; before[cnt1] = cnt2; } else cnt2++; total += a[i]; } for (int i = 0; i <= cnt1; i++) { if (i == cnt1 && a[n] == 1000) continue; l = before[max(i - 1, 0)]; r = cnt2 - (a[n] == 2000); while (r - l + 1 >= 4) { mid1 = l + (r - l) / 3; mid2 = l + 2 * (r - l) / 3; b1 = countBonus(i, mid1); b2 = countBonus(i, mid2); if (b1 < b2) l = mid1; else r = mid2; } current = 0; for (int j = l; j <= r; j++) current = max(current, countBonus(i, j)); maxBonus = max(maxBonus, current); } printf("%d\n", total - maxBonus); }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = 3e5 + 10; const long long inf = 1e18; int n; int a[N]; int dp[N]; int dpn[N]; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); } for (int i = 0; i <= 30; i++) { dp[i] = int(1e9); dpn[i] = int(1e9); } dp[0] = 0; for (int i = 1; i <= n; i++) { for (int j = 0; j <= 30; j++) { dpn[j + a[i] / 1000] = min(dpn[j + a[i] / 1000], dp[j] + a[i]); int jj = min(a[i] / 100, j); dpn[j - jj] = min(dpn[j - jj], dp[j] + a[i] - jj * 100); } for (int j = 0; j <= 30; j++) { dp[j] = dpn[j]; dpn[j] = int(1e9); } } int ans = int(1e9); for (int i = 0; i <= 30; i++) { ans = min(ans, dp[i]); } cout << ans; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int MAXD = 31; int n, a[300005]; long long f[300005][MAXD + 5]; int main() { scanf("%d", &n); for (int i = 1; i <= n; ++i) scanf("%d", &a[i]); for (int i = 1; i <= n; ++i) a[i] /= 100; for (int i = 0; i <= n; ++i) for (int j = 0; j <= MAXD; ++j) f[i][j] = 1e18; f[0][0] = 0; for (int i = 1; i <= n; ++i) { for (int j = 0; j <= MAXD; ++j) { if (f[i - 1][j] == 1e18) continue; if (j >= a[i]) f[i][j - a[i]] = min(f[i][j - a[i]], f[i - 1][j]); else f[i][0] = min(f[i][0], f[i - 1][j] + (a[i] - j) * 100); f[i][min(j + a[i] / 10, MAXD)] = min(f[i][min(j + a[i] / 10, MAXD)], f[i - 1][j] + a[i] * 100); } } long long ans = 1e18; for (int i = 0; i <= MAXD; ++i) ans = min(ans, f[n][i]); printf("%I64d\n", ans); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; inline int read() { char ch = getchar(); int x = 0, op = 1; while (ch < '0' || '9' < ch) { if (ch == '-') op = -1; ch = getchar(); } while ('0' <= ch && ch <= '9') { x = x * 10 + ch - '0'; ch = getchar(); int x = 0; } return op * x; } const int maxn = 300009; int f[maxn][35], a[maxn], n, ans = 2e9; void update(int &a, int b) { if (b < a) a = b; } int main() { n = read(); for (int i = (1); i <= (n); i++) { a[i] = read(); a[i] /= 100; } memset(f, 0x3f, sizeof f); f[0][0] = 0; for (int i = (0); i <= (n); i++) for (int j = (0); j <= (31); j++) { if (j + a[i] / 10 <= 31) update(f[i + 1][j + a[i + 1] / 10], f[i][j] + a[i + 1]); if (j >= a[i + 1]) update(f[i + 1][j - a[i + 1]], f[i][j]); else update(f[i + 1][0], f[i][j] + a[i + 1] - j); } for (int i = (0); i <= (31); i++) update(ans, f[n][i]); printf("%d00\n", ans); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; template <typename A, typename B> bool mini(A &x, const B &y) { if (y < x) { x = y; return true; } return false; } template <typename A, typename B> bool maxi(A &x, const B &y) { if (y > x) { x = y; return true; } return false; } class fastio { public: fastio() { ios::sync_with_stdio(false); cin.tie(nullptr); } } __fastio; long long a[300500]; long long dp[300500][50]; long long was[300500][25]; int main() { long long ans = 0; int n; cin >> n; for (auto i = 0; i < n; i++) cin >> a[i]; long long bal = 0; for (auto i = 0; i < n + 1; i++) { for (auto j = 0; j < 50; j++) { dp[i][j] = 1e18; } } dp[0][0] = 0; for (auto i = 0; i < n; i++) { for (auto j = 0; j < 48; j++) { if (j > a[i] / 100) { dp[i + 1][j - a[i] / 100] = min(dp[i + 1][j - a[i] / 100], dp[i][j]); } else { dp[i + 1][0] = min(dp[i + 1][0], dp[i][j] + a[i] - j * 100); } dp[i + 1][j + a[i] / 1000] = min(dp[i + 1][j + a[i] / 1000], dp[i][j] + a[i]); } } ans = 1e18; for (auto j = 0; j < 50; j++) { ans = min(dp[n][j], ans); } cout << ans; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const long long N = 300005; const long long inf = (1e15); long long f[N][50], n, a[N]; signed main() { cin >> n; for (register long long i = (1); i <= (n); ++i) cin >> a[i], a[i] /= 100; memset(f, 0x3f, sizeof(f)); f[0][0] = 0; for (register long long i = (1); i <= (n); ++i) for (register long long j = (0); j <= (40); ++j) { if (j + a[i] / 10 <= 40) f[i][j + a[i] / 10] = min(f[i][j + a[i] / 10], f[i - 1][j] + a[i]); f[i][j - min(a[i], j)] = min(f[i][j - min(a[i], j)], f[i - 1][j] + a[i] - min(a[i], j)); } long long ans = inf; for (register long long j = (0); j <= (40); ++j) ans = min(ans, f[n][j]); cout << ans * 100ll << '\n'; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = 0, M = 0; int read() { char c; int num, f = 1; while (c = getchar(), !isdigit(c)) if (c == '-') f = -1; num = c - '0'; while (c = getchar(), isdigit(c)) num = num * 10 + c - '0'; return num * f; } int n, f[300009][31]; void up(int &x, int y) { x > y ? x = y : 0; } int main() { memset(f, 0x3f, sizeof(f)); n = read(); int x = read() / 100; f[1][x / 10] = x; for (int i = 1; i < n; i++) { x = read() / 100; for (int j = 0; j <= 30; j++) if (f[i][j] != 0x3f3f3f3f) { if (j + x / 10 <= 30) up(f[i + 1][j + x / 10], f[i][j] + x); if (j >= x) up(f[i + 1][j - x], f[i][j]); else up(f[i + 1][0], f[i][j] + x - j); } } int ans = 0x3f3f3f3f; for (int i = 0; i <= 30; i++) ans = min(ans, f[n][i]); printf("%d\n", ans * 100); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; template <class T, class U> void smin(T &a, U b) { if (a > b) a = b; } const long long mod = 1000000007; const int N = 3e5 + 10; const int M = 2e6; int n, a[N], dp[N][66]; int main() { cin >> n; for (int i = 0; i <= n - 1; i++) { scanf("%d", a + i); a[i] /= 100; } memset(dp, 63, sizeof dp); dp[0][0] = 0; for (int i = 0; i < n; ++i) for (int b = 0; b <= 60; ++b) { { smin(dp[i + 1][a[i] / 10 + b], dp[i][b] + a[i]); } { for (int first = 1; first <= min(b, a[i]); ++first) smin(dp[i + 1][b - first], dp[i][b] + a[i] - first); } } int res = mod; for (int b = 0; b <= 60; ++b) smin(res, dp[n][b]); cout << res << "00\n"; }
10
CPP
#include <bits/stdc++.h> using namespace std; int n, tot, tmp, sum, a[5000005]; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); if (a[i] == 1000) tot++, sum++; else sum += 2; } int tmp = 10 * sum / 11; if (sum <= 11) tmp = sum - a[n] / 1000; if (!tot && tmp & 1) tmp--; printf("%d\n", 1000 * sum - tmp * 100); return 0; }
10
CPP
#include <bits/stdc++.h> int n, sum, tot, ans; int a[400400]; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", a + i); sum += a[i] / 1000; tot += (a[i] == 1000); } int temp = sum * 10 / 11; if (sum <= 11) temp = sum - a[n] / 1000; if (!tot && temp % 2 == 1) temp--; printf("%d\n", sum * 1000 - temp * 100); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int MAXN = 3e5 + 5, mod = 1e9 + 7; int koszt[31], tmp[31]; int main() { int a, b, c, d, e, f, g, z, k, n, m, q; scanf("%d", &n); for (a = 1; a <= 30; a++) koszt[a] = 1000000000; while (n--) { scanf("%d", &a); if (a == 1000) { for (b = 0; b <= 30; b++) tmp[b] = 1000000000; for (b = 1; b <= 30; b++) tmp[b] = koszt[b - 1] + 1000; for (b = 0; b <= 30; b++) for (c = b + 1; c <= 30 && c - b <= 10; c++) tmp[b] = min(tmp[b], koszt[c] + 1000 - (c - b) * 100); } else { for (b = 0; b <= 30; b++) tmp[b] = 1000000000; for (b = 2; b <= 30; b++) tmp[b] = koszt[b - 2] + 2000; for (b = 0; b <= 30; b++) for (c = b + 1; c <= 30 && c - b <= 20; c++) tmp[b] = min(tmp[b], koszt[c] + 2000 - (c - b) * 100); } for (b = 0; b <= 30; b++) koszt[b] = tmp[b]; } b = koszt[0]; for (a = 1; a <= 30; a++) b = min(b, koszt[a]); printf("%d", b); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; template <class T> void debug(T a, T b) { ; } template <class T> void chmin(T& a, const T& b) { if (a > b) a = b; } template <class T> void chmax(T& a, const T& b) { if (a < b) a = b; } namespace std { template <class S, class T> ostream& operator<<(ostream& out, const pair<S, T>& a) { out << '(' << a.first << ',' << a.second << ')'; return out; } } // namespace std const int INF = 7e8; int n; int ar[300005]; int sum[300005]; vector<int> Tpos, Opos; int solve1(int a, int b, int A, int B) { if (B == INF) return INF; if (b == INF) return INF; int Tlen = B - b; int tmp = sum[b] * 1000; int pt = sum[b] * 100; int Trange = Tlen * 2000; tmp += max(0, Trange - pt); pt -= min(Trange, pt); tmp += 1000; pt += 100; int rest = (sum[n] - sum[B + 1]) * 1000; tmp += max(0, rest - pt); return tmp; } int solve2(int a, int b, int A, int B) { if (a == -1) return INF; if (A == -1) return INF; int Tlen = a - A; int tmp = sum[A] * 1000; int pt = sum[A] * 100; tmp += max(0, 1000 - pt); pt -= min(pt, 1000); int Trange = Tlen * 2000; tmp += Trange; pt += Tlen * 200; int rest = (sum[n] - sum[a + 1]) * 1000; tmp += max(0, rest - pt); return tmp; } int main() { cin >> n; Opos.push_back(-1); Tpos.push_back(-1); for (int i = 0; i < (n); ++i) { int a; scanf("%d", &a); ar[i] = a / 1000; if (ar[i] == 1) Opos.push_back(i); else Tpos.push_back(i); } Tpos.push_back(INF); Opos.push_back(INF); for (int i = 0; i < (n); ++i) sum[i + 1] = sum[i] + ar[i]; int res = INF; for (int i = 0; i < (n + 1); ++i) { int tmp = sum[i] * 1000; int pt = sum[i] * 100; int rest = (sum[n] - sum[i]) * 1000; tmp += max(0, rest - pt); chmin(res, tmp); } int prev = res; for (int i = 0; i < ((int)Tpos.size() - 1); ++i) { int a = Tpos[i], b = Tpos[i + 1]; int B = *lower_bound((Opos).begin(), (Opos).end(), b); int A = *(--lower_bound((Opos).begin(), (Opos).end(), a)); int X = solve1(a, b, A, B); int Y = solve2(a, b, A, B); chmin(res, X); chmin(res, Y); } cout << res << endl; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = 1e6 + 10; const int INF = 0x3f3f3f3f; int n, pos1Size = 0, pos2Size = 0; int ar[N], pos1[N], pos2[N]; struct Node { int S, M; Node() {} Node(int S, int M) : S(S), M(M) {} }; Node st[3 * N]; void Update(int k, int v) { k += (1 << 19); st[k] = Node(v, v); while (k > 1) { k >>= 1; st[k].M = min(st[k << 1].M, st[k << 1].S + st[k << 1 | 1].M); st[k].S = st[k << 1].S + st[k << 1 | 1].S; } } bool Check(int m) { int p1 = 0, p2 = 0; for (int i = 1; i <= n; ++i) Update(i, -ar[i]); int a = 0; int b = (m - 1000 * a) / 2000; b = min(b, pos2Size); while (p2 + 1 <= b && p2 + 1 <= pos2Size) { Update(pos2[p2 + 1], 200); ++p2; } int cost = (m - 1000 * a - 2000 * b); Update(0, cost); if (st[1].M >= 0) return true; for (int a = 1; a <= pos1Size; ++a) { if (m < 1000 * a) return false; int b = (m - 1000 * a) / 2000; b = min(b, pos2Size); int cost = (m - 1000 * a - 2000 * b); Update(0, cost); while (p1 + 1 <= a && p1 + 1 <= pos1Size) { Update(pos1[p1 + 1], 100); ++p1; } while (p2 > b && p2 > 0) { Update(pos2[p2], -ar[pos2[p2]]); --p2; } if (st[1].M >= 0) return true; } return false; } void Read(int &n) { n = 0; char c; do { c = getchar(); } while (!isdigit(c)); do { n = n * 10 + c - 48; c = getchar(); } while (isdigit(c)); } int main() { Read(n); for (int i = 1; i <= n; ++i) Read(ar[i]); for (int i = 1; i <= n; ++i) if (ar[i] == 1000) pos1[++pos1Size] = i; else pos2[++pos2Size] = i; int l = 1, r = 2000 * N, f = -1; while (l <= r) { int m = (l + r) >> 1; if (Check(m) == true) { f = m; r = m - 1; } else l = m + 1; } printf("%d", f); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; void addmod(int &a, long long b) { a = (a + b); if (a >= 1000000007) a -= 1000000007; } void mulmod(int &a, long long b) { a = (a * b) % 1000000007; } template <class T> bool domin(T &a, const T &b) { return a > b ? a = b, 1 : 0; } template <class T> bool domax(T &a, const T &b) { return a < b ? a = b, 1 : 0; } int gi() { int a; scanf("%d", &a); return a; } long long gll() { long long a; scanf("%lld", &a); return a; } int ans[2][1007]; int main() { int v = 1000000007; fill_n(ans[0], 1007, v); fill_n(ans[1], 1007, v); ans[0][0] = 0; int n = gi(), ix, nx; for (int i = 0; i < n; i++) { int x = gi() / 100; int bo = x / 10; ix = (i & 1); nx = ix ^ 1; fill_n(ans[nx], 1007, v); for (int j = 0; j < 1007; j++) if (ans[ix][j] < 1000000007) { if (j < x) { domin(ans[nx][j + bo], ans[ix][j] + x); domin(ans[nx][0], ans[ix][j] + x - j); } else if (j < 1007 - 100) { domin(ans[nx][j - x], ans[ix][j]); domin(ans[nx][j + bo], ans[ix][j] + x); } else { domin(ans[nx][j - x], ans[ix][j]); } } } int fa = 1000000007; for (int i = 0; i < 1007; i++) { domin(fa, ans[nx][i]); } cout << fa * 100 << endl; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int MAXC = 305; const int MAXN = 300005; const int INF = 1000000000; int A[MAXN], dp[2][MAXC]; int main(int argc, char const *argv[]) { int n; scanf("%d", &n); for (int i = 1; i <= n; ++i) { scanf("%d", &A[i]); A[i] /= 100; } for (int i = 0; i < MAXC; ++i) { dp[0][i] = dp[1][i] = INF; } dp[0][0] = 0; for (int i = 1; i <= n; ++i) { int curr = i % 2, prev = (i + 1) % 2; for (int j = 0; j < MAXC; ++j) { int nv = j + A[i] / 10; if (nv < MAXC) { dp[curr][nv] = min(dp[curr][nv], dp[prev][j] + A[i]); } int to_sub = min(j, A[i]); nv = j - to_sub; dp[curr][nv] = min(dp[curr][nv], dp[prev][j] + A[i] - to_sub); dp[prev][j] = INF; } } int ans = INF; for (int i = 0; i < MAXC; ++i) { ans = min(ans, dp[n % 2][i]); } printf("%d\n", ans * 100); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; template <typename T> bool chkmax(T &x, T y) { return x < y ? x = y, true : false; } template <typename T> bool chkmin(T &x, T y) { return x > y ? x = y, true : false; } int readint() { int 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; long long a[300005], s[300005], lst[300005]; int main() { n = readint(); for (int i = 1; i <= n; i++) a[i] = readint(); for (int i = 1; i <= n; i++) s[i] = s[i - 1] + a[i]; for (int i = 1; i <= n; i++) { lst[i] = lst[i - 1]; if (a[i] == 1000) lst[i] = i; } long long ans = 1ll << 60; for (int i = 1; i <= n; i++) { long long tmp = s[i], now = s[i] / 10; chkmin(ans, tmp + max(0ll, s[n] - s[i] - now)); if (a[i] == 1000) { for (int j = i - 1; j >= 1; j--) { if (a[j] != 2000) break; tmp = s[j - 1] + 1000, now = (s[j - 1] + 1000) / 10; if (s[j - 1] / 10 >= 2000ll * (i - j)) now -= 2000ll * (i - j); else tmp += 2000ll * (i - j) - s[j - 1] / 10, now -= s[j - 1] / 10; chkmin(ans, tmp + max(0ll, s[n] - s[i] - now)); } } else { int pl = lst[i]; if (!pl) continue; tmp = s[i] - 1000, now = (s[i] - 1000) / 10; if (s[pl - 1] / 10 >= 1000) now -= 1000; else tmp += 1000 - s[pl - 1] / 10, now -= s[pl - 1] / 10; chkmin(ans, tmp + max(0ll, s[n] - s[i] - now)); } } printf("%lld\n", ans); return 0; }
10
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 = 300000; int n; int a[MAXN]; int dp[MAXN + 1][31]; void upd(int &a, int b) { if (a == -1 || b > a) a = b; } void run() { scanf("%d", &n); for (int i = (0); i < (n); ++i) scanf("%d", &a[i]); int sum = 0; for (int i = (0); i < (n); ++i) sum += a[i]; memset(dp, -1, sizeof(dp)); dp[0][0] = 0; for (int i = (0); i < (n); ++i) for (int j = (0); j <= (30); ++j) if (dp[i][j] != -1) { int x = a[i] / 1000; if (j + x <= 30) upd(dp[i + 1][j + x], dp[i][j]); int d = min(10 * x, j); upd(dp[i + 1][j - d], dp[i][j] + d); } int mx = -1; for (int j = (0); j <= (30); ++j) upd(mx, dp[n][j]); int ret = sum - 100 * mx; printf("%d\n", ret); } int main() { run(); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; inline long long read() { char ch = getchar(); long long x = 0, f = 1; 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; } long long n, ans = (1ll << 60), f[300005][35]; int main() { n = read(); memset(f, 7, sizeof f); f[0][0] = 0; for (long long i = 0; i <= n - 1; ++i) { long long x = read() / 100; for (long long j = 0; j <= 31; ++j) f[i + 1][j + x / 10] = min(f[i + 1][j + x / 10], f[i][j] + x); for (long long j = 1; j <= 31; ++j) f[i + 1][j - min(x, j)] = min(f[i + 1][j - min(x, j)], f[i][j] + x - min(x, j)); } for (long long i = 0; i <= 31; ++i) ans = min(ans, f[n][i]); printf("%lld\n", ans * 100); }
10
CPP
#include <bits/stdc++.h> using namespace std; const long long linf = 1e18 + 5; int mod = (int)1e9 + 7; const int logN = 18; const int inf = 1e9 + 9; const int N = 4e5 + 6; int dp[N][105], a[N], n; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); } for (int x = n; x >= 1; x--) { for (int got = 50; got >= 0; got--) { dp[x][got] = dp[x + 1][got + a[x] / 1000] + a[x]; if (got >= a[x] / 100) dp[x][got] = min(dp[x][got], dp[x + 1][got - a[x] / 100]); else dp[x][got] = min(dp[x][got], dp[x + 1][0] + a[x] - got * 100); } for (int got = 51; got <= 100; got++) dp[x][got] = inf; } cout << dp[1][0] << '\n'; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; void getint(int &v) { char ch, fu = 0; for (ch = '*'; (ch < '0' || ch > '9') && ch != '-'; ch = getchar()) ; if (ch == '-') fu = 1, ch = getchar(); for (v = 0; ch >= '0' && ch <= '9'; ch = getchar()) v = v * 10 + ch - '0'; if (fu) v = -v; } const int INF = 1e9 + 10; int n, a[500010], f[300010][111], ans; int main() { cin >> n; for (int i = 1; i <= n; ++i) getint(a[i]), a[i] /= 100; for (int i = 0; i <= n; ++i) for (int j = 0; j <= 100; ++j) f[i][j] = INF; f[0][0] = 0; for (int i = 0; i <= n - 1; ++i) for (int j = 0; j <= 100; ++j) if (f[i][j] < INF) { f[i + 1][j - min(j, a[i + 1])] = min(f[i + 1][j - min(j, a[i + 1])], f[i][j] + a[i + 1] - min(j, a[i + 1])); f[i + 1][j + a[i + 1] / 10] = min(f[i + 1][j + a[i + 1] / 10], f[i][j] + a[i + 1]); } ans = INF; for (int j = 0; j <= 100; ++j) ans = min(ans, f[n][j]); cout << ans * 100 << endl; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = 3e5 + 2; int ar[N], num1, num2, n; vector<int> pos[2]; struct node { int sum, minpre; }; node it[N << 2]; void tag(int idx, int l, int r) { if (l < r) { it[idx].sum = it[2 * idx].sum + it[2 * idx + 1].sum; it[idx].minpre = min(it[2 * idx].minpre, it[2 * idx].sum + it[2 * idx + 1].minpre); } } void init(int idx, int l, int r) { if (l == r) { it[idx].sum = it[idx].minpre = -ar[l]; return; } init(2 * idx, l, (l + r) / 2); init(2 * idx + 1, (l + r) / 2 + 1, r); tag(idx, l, r); } void upd(int idx, int l, int r, int pos1, int val) { if (l > pos1 || r < pos1) { return; } if (l == r) { it[idx].sum = it[idx].minpre = val; return; } upd(2 * idx, l, (l + r) / 2, pos1, val); upd(2 * idx + 1, (l + r) / 2 + 1, r, pos1, val); tag(idx, l, r); } bool check(int val) { init(1, 1, n); int cnt, sum, now; for (int i = 0; i <= num1; i++) { if (val < i * 1000) { break; } if (i) { upd(1, 1, n, pos[0][i - 1], 100); } if (i == 0) { cnt = min(val / 2000, num2); for (int j = 0; j < cnt; j++) { upd(1, 1, n, pos[1][j], 200); } sum = val - i * 1000 - cnt * 2000; if (sum + it[1].minpre >= 0) { return true; } continue; } now = min((val - i * 1000) / 2000, num2); while (cnt > now) { cnt--; upd(1, 1, n, pos[1][cnt], -2000); } sum = val - i * 1000 - cnt * 2000; if (sum + it[1].minpre >= 0) { return true; } } return false; } signed main() { ios::sync_with_stdio(0); cin.tie(0); int lef = 0, rig = 6e8, mid, i, j, k, l; cin >> n; num1 = num2 = 0; for (i = 1; i <= n; i++) { cin >> ar[i]; if (ar[i] == 1000) { num1++; pos[0].push_back(i); } else { num2++; pos[1].push_back(i); } } while (rig > lef) { mid = (lef + rig) >> 1; if (check(mid)) { rig = mid; } else { lef = mid + 1; } } cout << lef; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = 300005, M = 30; int a[N], f[N][M + 5], j, n, i, ans, t; inline void up(int& a, int b) { if (!a || a > b) a = b; } int main() { scanf("%d", &n); for (i = 1; i <= n; ++i) scanf("%d", a + i), a[i] /= 100; for (i = 0; i < n; ++i) for (j = 0; j <= M; ++j) if (f[i][j] || (!i && !j)) { up(f[i + 1][j + a[i + 1] / 10], f[i][j] + a[i + 1]); t = min(j, a[i + 1]); up(f[i + 1][j - t], f[i][j] + a[i + 1] - t); } for (i = 0; i <= M; ++i) if (f[n][i]) up(ans, f[n][i]); printf("%d\n", ans * 100); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; template <typename T, typename U> inline void chkmax(T& x, U y) { if (x < y) x = y; } template <typename T, typename U> inline void chkmin(T& x, U y) { if (y < x) x = y; } int dp[2][60]; int main() { int n; scanf("%d", &n); for (int i = 1; i <= 41; i++) dp[0][i] = -1e9; int sum = 0; for (int i = 1; i <= n; i++) { int x; scanf("%d", &x); x /= 100; sum += x; int now = i & 1; for (int j = 0; j <= 41; j++) dp[now][j] = -1e9; for (int j = 0; j <= 41 - x / 10; j++) chkmax(dp[now][j + x / 10], dp[!now][j]); for (int j = 0; j <= 41; j++) chkmax(dp[now][max(j - x, 0)], dp[!now][j] + min(j, x)); for (int j = 40; j >= 0; j--) chkmax(dp[now][j], dp[now][j + 1]); } int ans = 0; for (int j = 0; j <= 41; j++) chkmax(ans, dp[n & 1][j]); cout << (sum - ans) * 100 << endl; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const long long inf = 9.2e18; const int maxn = 300007; const int INF = 2.1e9; const int MOD = 1e9 + 7; const double dif = 1e-7; const double PI = 3.14159265358979323846; int n, m, k, sum = 0; int a[maxn], pre[maxn]; bool check(int x) { int d = sum - k, s = 0, flag1 = 0, flag2 = 0; if (d > k / 10) return false; int i; for (i = n; i >= 1; i--) { if (s >= d) break; s += a[i]; if (a[i] == 10) flag1 = 1; if (a[i] == 20) flag2 = 1; } if (pre[i] >= d * 10) return true; else if (flag1 && s - d >= 10 && d * 10 - pre[i] <= 10) return true; else if (flag2 && d * 10 - pre[i] <= 10) { for (; i >= 1; i--) if (a[i] == 10) return pre[i - 1] >= 100; } return false; } int main(void) { while (cin >> n) { pre[0] = 0; for (int i = 1; i <= n; i++) { cin >> a[i]; a[i] /= 100; pre[i] = pre[i - 1] + a[i]; } sum = pre[n]; k = sum / 11 * 10; while (!check(k)) k++; cout << k * 100 << endl; } return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int N = 300005; int n, m, ans, two, one, l, r, k, a[N], dp[N][205]; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); a[i] /= 100; } memset(dp, 127, sizeof(dp)); dp[0][0] = 0; for (int i = 0; i < n; i++) { for (int j = 0; j <= 200; j++) if (dp[i][j] <= 2e8) { if (j + a[i + 1] / 10 <= 200) dp[i + 1][j + a[i + 1] / 10] = min(dp[i + 1][j + a[i + 1] / 10], dp[i][j] + a[i + 1]); if (j >= a[i + 1]) dp[i + 1][j - a[i + 1]] = min(dp[i + 1][j - a[i + 1]], dp[i][j]); else dp[i + 1][0] = min(dp[i + 1][0], dp[i][j] + (a[i + 1] - j)); } } int ans = 2e9; for (int i = 0; i <= 200; i++) { ans = min(ans, dp[n][i]); } printf("%d00\n", ans); }
10
CPP
#include <bits/stdc++.h> using namespace std; long long n; long long a[300005]; long long dp[300005][105]; int main(void) { ios::sync_with_stdio(0); cin.tie(0); cin >> n; for (long long(i) = (1); (i) <= (n); (i)++) cin >> a[i], a[i] /= 100; for (long long(i) = (0); (i) <= (n); (i)++) for (long long(j) = (0); (j) <= (100); (j)++) dp[i][j] = 1e18; dp[0][0] = 0; for (long long(i) = (0); (i) <= (n - 1); (i)++) { for (long long(j) = (0); (j) <= (100); (j)++) { long long x = min(j, a[i + 1]); (dp[i + 1][j - x]) = min((dp[i + 1][j - x]), (dp[i][j] + a[i + 1] - x)); if (j + a[i + 1] / 10 <= 100) (dp[i + 1][j + a[i + 1] / 10]) = min((dp[i + 1][j + a[i + 1] / 10]), (dp[i][j] + a[i + 1])); } } long long ans = 1e18; for (long long(i) = (0); (i) <= (100); (i)++) (ans) = min((ans), (dp[n][i])); cout << ans * 100 << endl; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int inf = 1000000007; const long long linf = 1ll * inf * inf; const int N = 300000 + 7; const int M = 32; const int multipleTest = 0; int dp[N][M]; int n; int a[N]; void solve() { cin >> n; for (int i = (0), _b = (N); i < _b; ++i) for (int j = (0), _b = (M); j < _b; ++j) dp[i][j] = inf; dp[0][0] = 0; for (int i = (1), _b = (n + 1); i < _b; ++i) { int u; scanf("%d", &u); u /= 100; for (int j = 0; j < M; ++j) { for (int t = 1, _m = min(u, j); t <= _m; ++t) dp[i][j - t] = min(dp[i][j - t], dp[i - 1][j] + u - t); if (j + u / 10 < M) dp[i][j + u / 10] = min(dp[i][j + u / 10], dp[i - 1][j] + u); } } int res = inf; for (int j = (0), _b = (M); j < _b; ++j) res = min(res, dp[n][j]); cout << res * 100; } int main() { int Test = 1; if (multipleTest) { cin >> Test; } for (int i = 0; i < Test; ++i) { solve(); } }
10
CPP
#include <bits/stdc++.h> using namespace std; const long long inf = 1e15; const int maxn = 3e5 + 10; long long dp[maxn][55], a[maxn]; int n; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%I64d", &a[i]); a[i] /= 100; } for (int i = 0; i <= n; i++) for (int j = 0; j <= 42; j++) dp[i][j] = inf; dp[0][0] = 0; for (int i = 1; i <= n; i++) { for (int j = a[i] / 10; j <= 40; j++) { dp[i][j] = min(dp[i - 1][j - a[i] / 10] + a[i], dp[i][j]); } for (int j = 0; j <= 40; j++) { for (int k = 1; k <= a[i] && j + k <= 40; k++) dp[i][j] = min(dp[i - 1][j + k] + a[i] - k, dp[i][j]); } } long long ans = inf; for (int i = 0; i <= 20; i++) ans = min(ans, dp[n][i]); cout << ans * 100 << endl; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; long long a[300100]; long long sum[300100]; int main() { long long ans = 0; int flag1 = 0, flag2 = 0; memset(a, 0, sizeof(a)); memset(sum, 0, sizeof(sum)); int n; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; if (a[i] != 1000) flag1 = 1; if (a[i] != 2000) flag2 = 1; } sum[0] = a[0]; for (int i = 1; i < n; i++) { sum[i] = a[i] + sum[i - 1]; } if (flag2 == 0) { int temp = sum[n - 1] % 22000; temp /= 2000; int v = sum[n - 1] / 22000; ans = v * 20000 + (temp - 1) * 0.9 * 2000 + 2000; } else if (flag1 == 0) { int temp = sum[n - 1] % 11000; temp /= 1000; int v = sum[n - 1] / 11000; ans = v * 10000 + (temp - 1) * 0.9 * 1000 + 1000; } else { if (sum[n - 1] > 22000) { int v = sum[n - 1] / 1100; ans = sum[n - 1] - v * 100; } else { if (a[n - 1] == 2000 || sum[n - 1] <= 11000) ans = sum[n - 1] - sum[n - 2] / 10; else ans = sum[n - 1] - sum[n - 2] / 10 + 100; } } cout << ans; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; signed main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long n; cin >> n; long long a[n + 1]; for (long long i = 1; i <= n; i++) { cin >> a[i]; a[i] /= 100; } long long dp[n + 1][35]; dp[0][0] = 0; for (long long i = 1; i < 35; i++) dp[0][i] = 1000000000000; for (long long i = 1; i <= n; i++) { for (long long j = 0; j < 35; j++) { dp[i][j] = 1000000000000; for (long long k = 1; k <= a[i]; k++) { if ((k + j) >= 35) goto here; dp[i][j] = min(dp[i][j], dp[i - 1][j + k] + a[i] - k); } here: if ((j - a[i] / 10) >= 0) dp[i][j] = min(dp[i][j], dp[i - 1][j - (a[i] / 10)] + a[i]); } } long long ans = 1000000000000; for (long long j = 0; j < 35; j++) ans = min(ans, dp[n][j]); ans *= 100; cout << ans << endl; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int max_n = 300033, max_m = 41, inf = 1011111111; int n, a[max_n], dp[2][max_m]; int main() { scanf("%d", &n); for (int i = 0; i < n; ++i) { scanf("%d", &a[i]); a[i] /= 100; } int q1 = 0, q2 = 1; for (int j = 0; j < max_m; ++j) { dp[q1][j] = inf; } dp[q1][0] = 0; for (int i = 0; i < n; ++i) { for (int j = 0; j < max_m; ++j) { dp[q2][j] = inf; } for (int j = 0; j < max_m; ++j) { if (dp[q1][j] == inf) { continue; } if (j + a[i] / 10 < max_m) { dp[q2][j + a[i] / 10] = min(dp[q2][j + a[i] / 10], dp[q1][j] + a[i]); } int y = min(j, a[i]); dp[q2][j - y] = min(dp[q2][j - y], dp[q1][j] + a[i] - y); } swap(q1, q2); } int ans = inf; for (int i = 0; i < max_m; ++i) { ans = min(ans, dp[q1][i]); } printf("%d\n", ans * 100); return 0; }
10
CPP