solution
stringlengths
10
159k
difficulty
int64
0
3.5k
language
stringclasses
2 values
t=int(input()) for i in range(t): n,k=map(int,input().split()) if n%2==0 and k%2==0: if k*k<=n: print("YES") else: print("NO") elif n%2==1 and k%2==1: if k*k <=n: print("YES") else: print("NO") else: print("NO")
1,100
PYTHON3
''' for i in range(int(input())): n, k = map(int, input().split()) a = list(input()) ans = ['1'] * n t = 0 for j in range(n): if (a[j] == '0'): s = min(k, j - t) k -= s ans[j - s] = '0' t += 1 print("".join(ans)) ''' ''' import collections def solve(): # ? Yes as long as there is a slope > 1 # n = map(int, input().split()) n = int(input()) s = list(map(int, input().split())) for i in range(len(s)-1): if abs(s[i] - s[i+1]) > 1: print('Yes') print(i+1, i+2) return print('No') for _ in range(int(input())): solve() ''' import collections # n, k = map(int, input().split()) n = int(input()) s = str(input()) L = 0 R = 0 for c in s: if c == 'L': L += 1 else: R += 1 print(1+L+R)
800
PYTHON3
def solve(): n, m = map(int, input().split()) while True: if n == 0 or m == 0: print(n, m) return elif n >= 2*m: n = n % (2*m) continue elif m >= 2*n: m = m % (2*n) continue else: print(n,m) return if __name__ == "__main__": solve()
1,100
PYTHON3
a=[int(i) for i in input().strip().split('+')] a.sort() print('+'.join(map(str,a)))
800
PYTHON3
n,l = [int(x) for x in input().split()] a = [int(x) for x in input().split()] a.sort() b = [] if(n>1): for i in range (n-1): b.append((a[i+1]-a[i])/2) b.sort(reverse = True) hsl = max(a[0], (l-a[n-1]), b[0]) print (hsl) else: print (max(a[0], l-a[0]))
1,200
PYTHON3
n, k = map(int,input().split()) w = list(map(int,input().split())) w = [i for i in w if k%i == 0] print(k//max(w))
900
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int n, temp, data[200], hasil = 0; memset(data, 0, sizeof(data)); scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%d", &temp); data[temp]++; } for (int i = 1; i <= 100; i++) { if (data[i] >= 2) hasil += data[i] / 2; } printf("%d\n", hasil / 2); }
1,000
CPP
n=input() n=int(n) l = [int(x) for x in input().split()] d = {} for i in l: if i==0: continue if i in d: x=d[i] d[i]=x+1 else: d[i]=1 print(len(d))
800
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { long long int n, a[10000] = {0}; cin >> n; a[1] = 1; a[2] = 1; a[3] = 1; long long int x = 3, y = 2; while (x < n && y < n) { a[x + y] = 1; long long int t = x; x += y; y = t; } for (long long int i = 1; i <= n; i++) { if (a[i] == 0) cout << "o"; else cout << "O"; } }
800
CPP
#include <bits/stdc++.h> using namespace std; inline int read() { int ans = 0; char ch = getchar(); while (!isdigit(ch)) { ch = getchar(); } while (isdigit(ch)) { ans = (ans << 3) + (ans << 1) + (ch ^ 48), ch = getchar(); } return ans; } int first[100005], n, cnt, dep[100005]; double ans = 0; struct edge { int v, next; } e[100005 << 1]; inline void add(int u, int v) { e[++cnt].v = v, e[cnt].next = first[u], first[u] = cnt; } inline void dfs(int p, int fa) { for (int i = first[p]; i; i = e[i].next) { int v = e[i].v; if (v == fa) continue; dep[v] = dep[p] + 1, dfs(v, p); } } int main() { n = read(); for (int i = 1; i < n; ++i) { int u = read(), v = read(); add(u, v), add(v, u); } dep[1] = 1, dfs(1, 1); for (int i = 1; i <= n; ++i) ans += 1.0 / (1.0 * dep[i]); printf("%.20lf", ans); return 0; }
2,200
CPP
for _ in range(int(input())): n=int(input()) a=list(map(int,input().split())) a.sort() m=1000000000 for i in range(n-1): m=min(a[i+1]-a[i],m) print(m)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; long long n, h; bool ok(long long x) { long long ans = 0; if (x >= 2e9) return 1; if (x <= h) ans = x * (x + 1) / 2; else { ans = h * (h + 1) / 2 + (x - h) * h; long long high = x - h - 1; long long t1 = high / 2, t2 = high - t1; ans += t1 * (t1 + 1) / 2 + t2 * (t2 + 1) / 2; } if (ans >= n) return 1; else return 0; } int main() { cin >> n >> h; long long l = 1, r = 1e18 + 1; long long mid = (l + r) / 2; while (l < r) { mid = (l + r) / 2; if (ok(mid)) r = mid; else l = mid + 1; } printf("%lld\n", l); return 0; }
2,100
CPP
n=int(input()) for i in range(n): a,b=map(int,input().split()) if(not a%b): print("YES") else: print("NO")
800
PYTHON3
#include <bits/stdc++.h> using namespace std; bool isMult = false; void solve() { string s, t, a, b; cin >> s; s += ','; bool isNum = true; for (char i : s) { if (i == ',' || i == ';') { if (isNum && t.size() && (t.size() == 1 || t[0] != '0')) { a += t + ","; } else { b += t + ","; } isNum = true; t.clear(); } else { if (i < '0' || i > '9') { isNum = false; } t += i; } } if (a.size()) { cout << "\"" << a.substr(0, a.size() - 1) << "\"" << '\n'; } else { cout << '-' << '\n'; } if (b.size()) { cout << "\"" << b.substr(0, b.size() - 1) << "\"" << '\n'; } else { cout << '-' << '\n'; } } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); int tt = 1; if (isMult) { cin >> tt; } while (tt--) { solve(); } return 0; }
1,600
CPP
from math import ceil n = int(input()) print((1, -1)[n % 2] * ceil(n / 2))
800
PYTHON3
#include <bits/stdc++.h> using namespace std; int a, b, c, d, e; string s; int main() { cin >> s; int n = s.size(); for (int i = 0; i < n; i++) { if (s[i] == 'h') { a = 1; } if (a && s[i] == 'e') { b = 1; } if (b && s[i] == 'i') { c = 1; } if (c && s[i] == 'd') { d = 1; } if (d && s[i] == 'i') { e = 1; } } if (e) cout << "YES" << endl; else cout << "NO" << endl; return 0; }
800
CPP
#include <bits/stdc++.h> using namespace std; int main() { int n, k; string s, t; cin >> n >> k >> s >> t; vector<vector<vector<int>>> dp( n + 1, vector<vector<int>>(k + 2, vector<int>(n + 2, -1000000000))); dp[0][0][0] = 0; for (int i = 0; i < n; i++) { int e0 = s[i] == t[0], e1 = s[i] == t[1], e01 = t[0] == t[1]; for (int j = 0; j <= k; j++) { for (int h = 0; h <= n; h++) { if (dp[i][j][h] == -1000000000) continue; dp[i + 1][j][h + e0] = max(dp[i + 1][j][h + e0], dp[i][j][h] + (e1 ? h : 0)); if (j < k) { dp[i + 1][j + 1][h + 1] = max(dp[i + 1][j + 1][h + 1], dp[i][j][h] + (e01 ? h : 0)); dp[i + 1][j + 1][h + e01] = max(dp[i + 1][j + 1][h + e01], dp[i][j][h] + h); } } } } int ans = 0; for (int i = 0; i <= k; i++) { for (int j = 0; j <= n; j++) { ans = max(ans, dp[n][i][j]); } } cout << ans; }
2,100
CPP
x = 0 for i in range(int(input())): input_two = input().lower() if input_two == "++x" or input_two == "x++": x += 1 else: x -= 1 print(x)
800
PYTHON3
n, k = map(int, input().split()) a = [] cnt = 0 a = list(map(int, input().split())) if len(a) == n: # while True: for i in range(n): if a[0] <= k: a.pop(0) cnt = cnt+ 1 elif a[len(a)-1] <= k: a.pop(len(a)-1) cnt = cnt + 1 else: break print(cnt)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; int n, w, a[110], ans[110]; pair<int, int> ind[110]; int main() { cin >> n >> w; for (int i = 0; i < n; i++) { cin >> a[i]; ind[i].first = a[i]; ind[i].second = i; } sort(ind, ind + n); reverse(ind, ind + n); for (int i = 0; i < n; i++) { ans[i] = (a[i] + 1) / 2; w -= ans[i]; if (w < 0) { cout << -1; return 0; } } for (int i = 0; i < n; i++) { int cur = ind[i].second; int add = min(a[cur] - ans[cur], w); ans[cur] += add; w -= add; } for (int i = 0; i < n; i++) cout << ans[i] << ' '; return 0; }
1,400
CPP
n,x=map(int,input().split()) d=0 for i in range(n): am,c=input().split() if(am=='+'): x+=int(c) else: if(x>=int(c)): x-=int(c) else: d+=1 print(x,end=" ") print(d)
800
PYTHON3
for i in range(int(input())): n=input() if len(n)<=10: print(n) else: print("%s%d%s"%(n[:1],(len(n)-2),n[-1]))
800
PYTHON3
n = int(input()) m = int(input()) dfr=abs(n-m)+1 s=dfr//2 print((s+dfr%2)*s)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; const int MAXSIZE = 10000020; int bufpos; char buf[MAXSIZE]; void init() { buf[fread(buf, 1, MAXSIZE, stdin)] = ' '; bufpos = 0; } int readint() { int val = 0; for (; !isdigit(buf[bufpos]); bufpos++) ; for (; isdigit(buf[bufpos]); bufpos++) val = val * 10 + buf[bufpos] - '0'; return val; } char readchar() { for (; isspace(buf[bufpos]); bufpos++) ; return buf[bufpos++]; } int readstr(char* s) { int cur = 0; for (; isspace(buf[bufpos]); bufpos++) ; for (; !isspace(buf[bufpos]); bufpos++) s[cur++] = buf[bufpos]; s[cur] = '\0'; return cur; } char s[250002], t[250002]; bool a[6][6]; int fa[6], sz[6]; bool app[6]; int getf(int x) { return fa[x] == x ? x : fa[x] = getf(fa[x]); } int main() { init(); int n = readstr(s + 1), m = readstr(t + 1); for (int i = 1; i <= n; i++) { if (i + m - 1 > n) break; memset(a, 0, sizeof(a)); for (int j = 1; j <= m; j++) a[s[i + j - 1] - 'a'][t[j] - 'a'] = 1; for (int j = 0; j < 6; j++) fa[j] = j; memset(app, 0, sizeof(app)); for (int j = 0; j < 6; j++) for (int k = 0; k < 6; k++) if (a[j][k] && j != k) { app[j] = app[k] = 1; fa[getf(j)] = getf(k); } memset(sz, 0, sizeof(sz)); for (int j = 0; j < 6; j++) if (app[j]) sz[getf(j)]++; int ans = 0; for (int j = 0; j < 6; j++) if (sz[j]) ans += sz[j] - 1; printf("%d ", ans); } }
2,200
CPP
n, k = map(int, input().split()) l = list(map(int, input().split())) if max(l) - min(l) > k: print('NO') quit() print('YES') res = ['1']*(min(l) + 1) for i in range(2, k + 1): res.append(str(i)) for a in l: print(' '.join(res[:a]))
1,300
PYTHON3
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 5; const int inf = 1e9 + 1; const int prime_100000000 = 5761460; const double eps = 1e-15; const double EPS = 1e-9; const double PI = acos(-1.0); int lucky_number[9] = {4, 7, 44, 47, 74, 77, 444, 447, 477}; int main() { ios_base ::sync_with_stdio(false); cin.tie(NULL); long long n, k, a; cin >> n >> k; long long v[1000]; for (long long i = 0; i < n; i++) { cin >> v[i]; } long long cost = 0; for (long long i = 0; i < n - 1; i++) { if ((v[i] + v[i + 1]) < k) { cost += (k - v[i] - v[i + 1]); v[i + 1] = (k - v[i]); } } cout << cost << endl; for (long long i = 0; i < n; i++) { cout << v[i] << " "; } return 0; }
1,000
CPP
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); int T; cin >> T; while (T--) { int n; cin >> n; vector<int> v(n + 1); for (int i = 1; i <= n; i++) cin >> v[i]; reverse(v.begin() + 1, v.end()); int now = v[1]; int ans = 0; for (int i = 1; i <= n; i++) { if (v[i] <= now) { continue; } else { ans++; now = v[i]; } } cout << ans << '\n'; } return 0; }
900
CPP
#include <bits/stdc++.h> using namespace std; int main() { int n, k, t; string s; cin >> n >> k >> s; for (int i = 0; i < n; i++) { if (s.substr(0, i) == s.substr(n - i, i)) t = i; } for (int i = 1; i < k; i++) { cout << s.substr(0, n - t); } cout << s << endl; return 0; }
1,300
CPP
import sys import math import functools input = sys.stdin.readline n, m = map(int, input().strip().split()) a = [] for _ in range(m): z = list(map(int, input().strip().split())) a.append(z[::-1]) def compare(A): return A[0] a.sort(key = compare, reverse=True) ans = 0 for el in a: ans += min(n, el[1]) * el[0] n -= min(n, el[1]) print(ans)
900
PYTHON3
import functools import logging import os import sys import time logger = logging.getLogger() reader = sys.stdin # Need to define DEBUGGING variable when run locally is_judge = os.getenv("DEBUGGING") is None def timeit(func): @functools.wraps(func) def timed(*args, **kwargs): if is_judge: rv = func(*args, **kwargs) else: ts = time.time() rv = func(*args, **kwargs) te = time.time() logger.debug("performance %r %2.2fms", func.__name__, (te - ts) * 1000) return rv return timed # ---------------------- # - /SOLUTION - # ---------------------- def tanya_sub(n, k): while k > 0: rm = n % 10 if rm == 0: k -= 1 n //= 10 else: s = min(k, rm) k -= s n -= s return n @timeit def main(): n = int(reader.readline()) # Ignore N coins = [int(v) for v in reader.readline().strip().split(" ")] coins.sort(reverse=True) total = sum(coins) i = 0 s = 0 while i < n and s <= total//2: s += coins[i] i += 1 print(i) # while line := reader.readline(): # n, k = line.strip().split(" ") # print(tanya_sub(int(n), int(k))) # ---------------------- # - \SOLUTION - # ---------------------- def setup(): global logger, reader if is_judge: logger.setLevel(logging.WARNING) else: # Format logger handler = logging.StreamHandler(sys.stdout) handler.setLevel(logging.DEBUG) formatter = logging.Formatter("{asctime}s - {message}", style='{') handler.setFormatter(formatter) logger.addHandler(handler) logger.setLevel(logging.DEBUG) # Stdin from file reader = open("input.txt") if __name__ == '__main__': setup() try: main() except KeyboardInterrupt: logger.debug("KeyboardInterrupt") except IOError as e: logger.error(f"I/O error({e.errno}): {e.strerror}")
900
PYTHON3
#include <bits/stdc++.h> using namespace std; int n, f[100010]; namespace LCA { const int LOG = 20; int dep[100010], fa[100010][20]; int g[100010][20]; void Build() { for (int j = 1; j < LOG; ++j) for (int i = 1; i <= n; ++i) { fa[i][j] = fa[fa[i][j - 1]][j - 1]; g[i][j] = g[i][j - 1] | g[fa[i][j - 1]][j - 1]; } } bool LCA(int x, int y, int k) { int res1 = 0, res2 = 0, flag = 0; if (dep[x] < dep[y]) swap(x, y), flag = 1; for (int i = 19; ~i; --i) if (dep[x] - (1 << i) >= dep[y]) res1 |= g[x][i], x = fa[x][i]; if (x == y) { if (flag) return res2 == k; else return res1 == k; } else if (k == 1) return false; for (int i = 19; ~i; --i) if (fa[x][i] != fa[y][i]) { res1 |= g[x][i], res2 |= g[y][i]; x = fa[x][i], y = fa[y][i]; } res1 |= g[x][0]; res2 |= g[y][0]; if (flag) return res2 == 2 && res1 == 1; else return res1 == 2 && res2 == 1; } }; // namespace LCA int Find(int u) { return f[u] ? f[u] = Find(f[u]) : u; } void Init() { int i, fat, k, fu, fv; scanf("%d", &n); for (i = 1; i <= n; ++i) { scanf("%d %d", &fat, &k); if (fat == -1) continue; LCA::fa[i][0] = fat; LCA::g[i][0] = 1 << k; LCA::dep[i] = LCA::dep[fat] + 1; fu = Find(i); fv = Find(fat); if (fu == fv) continue; f[fv] = fu; } LCA::Build(); } void Work() { int q, t, u, v; for (scanf("%d", &q); q; --q) { scanf("%d %d %d", &t, &u, &v); if (u == v) printf("NO\n"); else if (Find(u) != Find(v)) printf("NO\n"); else printf("%s\n", LCA::LCA(v, u, t) ? "YES" : "NO"); } } int main() { Init(); Work(); return 0; }
2,500
CPP
#include <bits/stdc++.h> using namespace std; int main(void) { int n, x, y; cin >> n >> x >> y; int kx, ky; if (x < n / 2) { kx = n / 2 - x + 1; } else { kx = x - n / 2; } if (y < n / 2) { ky = n / 2 - y + 1; } else { ky = y - n / 2; } int k = max(kx, ky); if (k <= 1) { cout << "NO" << endl; } else { cout << "YES" << endl; } return 0; }
1,200
CPP
n,m,d=map(int,input().split()) x=[] y=[] for i in range(n): a=list(map(int,input().split())) y+=a x.append(a) y.sort() e=y[(0+n*m-1)//2] a=x[0][0]%d count=0 ans=0 for i in x: for j in range(len(i)): if(i[j]%d!=a): pass else: count+=1 ans+=(max(i[j],e)-min(i[j],e))//d if(count==n*m): print(ans) else: print(-1)
1,400
PYTHON3
n=int(input()) array=[int(i) for i in input().split()] ans=0 for j in range(32): num=2**j diction=dict() for i in array: if i in diction: ans+=diction[i] if num-i>0: if num-i in diction: diction[num-i]+=1 else: diction[num-i]=1 print(ans)
1,500
PYTHON3
#include <bits/stdc++.h> using namespace std; pair<int, pair<int, int> > a[100000]; pair<int, int> ans[100000]; int to[100001]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n, m; cin >> n >> m; for (int i = 0; i < m; i++) { int w, p; cin >> w >> p; a[i] = make_pair(w, make_pair(!p, i)); } sort(a, a + m); for (int i = 0; i <= n; i++) to[i] = i; int use = 1; int from = 2; for (int i = 0; i < m; i++) { if (a[i].second.first == 0) { ans[a[i].second.second] = make_pair(1, use + 1); use++; } else { if (to[from] + 1 > use) { from++; if (to[from] + 1 > use) { from = 2; if (to[from] + 1 > use) { cout << -1; return 0; } else { to[from]++; } } else { to[from]++; } } else { to[from]++; } ans[a[i].second.second] = make_pair(from, to[from]); } } for (int i = 0; i < m; i++) cout << ans[i].first << " " << ans[i].second << "\n"; return 0; }
1,700
CPP
a = [[], []] input() for ai in map(int, input().split()): a[ai % 2].append(ai) a, b = a a.sort() b.sort() print(sum(a[:-len(b) - 1] + b[:-len(a) - 1]))
900
PYTHON3
#include <bits/stdc++.h> using namespace std; template <typename T> void trace(const char* name, T&& arg1) { cout << name << " : " << arg1 << endl; } template <typename T, typename... Args> void trace(const char* names, T&& arg1, Args&&... args) { const char* comma = strchr(names + 1, ','); cout.write(names, comma - names) << " : " << arg1 << " | "; trace(comma + 1, args...); } bool codejam = 0; const long long MOD = 1000 * 1000 * 1000 + 7; const long long NMAX = 1000 * 1000 + 11; long long arr[NMAX]; long long n, m, p, q, k, a, b, c, ans; string s, t, str; char ch; vector<long long> v; long long cnts[26], cntt[26]; void solve() { cin >> n; cin >> s >> t; memset(cnts, 0, sizeof(cnts)); memset(cntt, 0, sizeof(cntt)); for (long long i = 0; i < n; i++) { cnts[s[i] - 'a']++; cntt[t[i] - 'a']++; } bool f = 0; for (long long i = 0; i < 26; i++) { if (cnts[i] == cntt[i]) { } else { cout << "NO"; return; } if (cnts[i] >= 2) { f = 1; } } if (f) { cout << "YES"; return; } long long cnt1 = 0, cnt2 = 0; for (long long i = 0; i < n; i++) { for (long long j = i + 1; j < n; j++) { if (s[i] > s[j]) cnt1++; } } for (long long i = 0; i < n; i++) { for (long long j = i + 1; j < n; j++) { if (t[i] > t[j]) cnt2++; } } if ((cnt1 % 2 == cnt2 % 2)) { cout << "YES"; return; } cout << "NO"; return; } int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long t = 1; long long cs = 1; cin >> t; while (t--) { if (codejam) { cout << "Case #" << cs << ": "; } cs++; solve(); cout << "\n"; } }
2,000
CPP
t = int(input()) for i in range(t): n = int(input()) list1 = list(map(int, input().strip().split()))[:n] val = ((n * (n - 1)) / 2) - 1 i=0 count=0 while i<n-1: if list1[i]>list1[i+1]: count+=1 i+=1 if count<n-1: print("YES") else: print("NO")
900
PYTHON3
t = int(input()) for i in range(t): a , b , c , r = map(int, input().split()) if a > b: a , b = b , a if (b == a) or (c >= b and c-r <= a) or (c <= a and c+r >= b) or (c >= a and c <= b and c+r >=b and c-r <= a): print(0) elif(c > b and c-r >= b) or (c < a and c+r <= a): print(b-a) elif c >= b: print(c - a - r) elif c <= a: print(b - r - c) elif c >= a and c <= b and c-r >= a and c+r <= b: print(b - a - 2*r) elif c >= a and c <= b and c-r < a and c+r <= b: print(b - c - r) elif c >= a and c <= b and c-r >= a and c+r > b: print(c - a - r)
900
PYTHON3
#include <bits/stdc++.h> using namespace std; int N; vector<int> x, r; void UpdateFw(vector<int> &fw, int x, int diff) { int MAXX = fw.size() - 1; for (int i = x; i <= MAXX; i += i & -i) { fw[i] += diff; if (i > (MAXX - (i & -i))) { break; } } } int64_t SumFw(const vector<int> &fw, int x) { int64_t res = 0; for (int i = x; i > 0; i -= i & -i) { res += fw[i]; } return res; } int64_t QueryFw(const vector<int> &fw, int xmin, int xmax) { if (xmax < xmin) { return 0; } return SumFw(fw, xmax) - SumFw(fw, xmin - 1); } bool IsLess(const int i, const int j) { int pi = i % N, pj = j % N; int ti = i / N, tj = j / N; int vi = x[pi], vj = x[pj]; if (ti == 0) { vi -= r[pi]; } else if (ti == 2) { vi += r[pi]; } if (tj == 0) { vj -= r[pj]; } else if (tj == 2) { vj += r[pj]; } if (vi != vj) { return vi < vj; } else { return ti < tj; } } void CalcRank(const vector<int> &a, vector<int> &id2rank, vector<int> &rank2id) { int n = a.size(); vector<pair<int, int> > b(n); for (int i = 0; i < n; i++) { b[i] = make_pair(a[i], i); } sort(b.begin(), b.end()); for (int i = 0; i < n; i++) { id2rank[b[i].second] = i; rank2id[i] = b[i].second; } return; } int CalcRankUniqe(const vector<int> &a, vector<int> &id2rank, vector<int> &rank2id) { int n = a.size(); vector<pair<int, int> > b(n); for (int i = 0; i < n; i++) { b[i] = make_pair(a[i], i); } sort(b.begin(), b.end()); int rank = 0; for (int i = 0; i < n; i++) { if (i > 0 && b[i].first != b[i - 1].first) { rank++; } id2rank[b[i].second] = rank; rank2id[rank] = b[i].second; } return rank + 1; } int main(int argc, char **argv) { int K; scanf("%d%d", &N, &K); const int NMAX = 1e5l; vector<int> q(N); x.resize(N); r.resize(N); for (int i = 0; i < N; i++) { scanf("%d%d%d", &x[i], &r[i], &q[i]); } vector<int> qid2rnk(N), qrnk2id(N); int qrnksize = CalcRankUniqe(q, qid2rnk, qrnk2id); vector<vector<int> > gqx(qrnksize, vector<int>(1, -1)), gqxid(qrnksize, vector<int>(1, -1)); vector<int> xid2qxrnk(N); for (int i = 0; i < N; i++) { int qrank = qid2rnk[i]; gqx[qrank].push_back(x[i]); gqxid[qrank].push_back(i); } vector<vector<int> > fw(qrnksize); for (int qrank = 0; qrank < qrnksize; qrank++) { int m = gqx[qrank].size(); vector<int> gqrnk2id(m), gqid2rnk(m); CalcRank(gqx[qrank], gqid2rnk, gqrnk2id); for (int j = 1; j < m; j++) { xid2qxrnk[gqxid[qrank][j]] = gqid2rnk[j]; } sort(gqx[qrank].begin() + 1, gqx[qrank].end()); fw[qrank] = vector<int>(m, 0); } gqxid.clear(); vector<int> id(3 * N); for (int i = 0; i < N; i++) { id[i] = i; id[N + i] = N + i; id[N + N + i] = N + N + i; } sort(id.begin(), id.end(), IsLess); int64_t res = 0; for (int i = 0; i < 3 * N; i++) { int ti = id[i] / N; int bi = id[i] % N; int xi = x[bi], ri = r[bi], qi = q[bi]; int qpos = qid2rnk[bi]; int xpos = xid2qxrnk[bi]; if (ti == 0) { UpdateFw(fw[qpos], xpos, 1); } else if (ti == 1) { int qkmin = max(0, qi - K), qkmax = min(qi + K, 1000000000); int qjposmin = max(qpos - K, 0), qjposmax = min(qpos + K, qrnksize - 1); for (int qjpos = qjposmin; qjpos <= qjposmax; qjpos++) { if (gqx[qjpos].size() < 2) { continue; } int qv = q[qrnk2id[qjpos]]; if (qv < qkmin) { continue; } else if (qv > qkmax) { break; } int xmin = max(0, xi - ri); int xmax = min(xi + ri, 1000000000); int xminpos = lower_bound(gqx[qjpos].begin() + 1, gqx[qjpos].end(), xmin) - gqx[qjpos].begin(); int xmaxpos = upper_bound(gqx[qjpos].begin() + 1, gqx[qjpos].end(), xmax) - gqx[qjpos].begin() - 1; res += QueryFw(fw[qjpos], xminpos, xmaxpos); } } else { UpdateFw(fw[qpos], xpos, -1); } } res -= N; res >>= 1; printf("%" PRId64 "\n", res); return 0; }
2,200
CPP
#include <bits/stdc++.h> using namespace std; int t; char c[200007]; signed main(void) { scanf("%d", &t); while (t--) { int n, k; scanf("%d%d", &n, &k); cin >> c + 1; int last = 0x7fffffff, ans = 0, tmp = 0; for (int i = 1; i <= n; i++) { int num = i - last - 1; if (c[i] == '1') { tmp++; if (num > 0) { if (num > k) { if (num - num / (k + 1) * (k + 1) >= k) ans += num / (k + 1); else if (num - (num / (k + 1) - 1) * (k + 1) >= k) ans += num / (k + 1) - 1; } } last = i; } } if (tmp == 0) ans = 1 + (n - 1) / (k + 1); else { if (c[n] == '0') { ans += (n - last) / (k + 1); } if (c[1] == '0') { int first; for (int i = 1; i <= n; i++) { if (c[i] == '1') { first = i; break; } } ans += (first - 1) / (k + 1); } } cout << ans << '\n'; } }
1,300
CPP
#include <bits/stdc++.h> using namespace std; long long mul(long long a, long long b) { return (a * b) % (100000007); } long long add(long long a, long long b) { return (a + b) % (100000007); } long long sub(long long a, long long b) { return (a - b + (a - b) / (100000007) * (100000007) + (100000007)) % (100000007); } long long n, d, x; int i, a[(100000 + 10)], b[(100000 + 10)]; long long getNextX() { x = (x * 37 + 10007) % 1000000007; return x; } void initAB() { for (i = 0; i < n; i = i + 1) { a[i] = i + 1; } for (i = 0; i < n; i = i + 1) { swap(a[i], a[getNextX() % (i + 1)]); } for (i = 0; i < n; i = i + 1) { if (i < d) b[i] = 1; else b[i] = 0; } for (i = 0; i < n; i = i + 1) { swap(b[i], b[getNextX() % (i + 1)]); } } int q[(100000 + 10)] = {0}, h[(100000 + 10)] = {0}; int main() { cin >> n >> d >> x; initAB(); for (int i = 0; i < n; i++) if (b[i]) q[++q[0]] = i; for (int i = 0; i < n; i++) h[a[i]] = i; for (int i = 0; i < n; i++) { int s = 400, ans = 0; for (int j = 0; j < 400; j++) { if (n - j <= 0) break; int t = h[n - j]; if (t <= i && b[i - t]) { ans = n - j; break; } } if (!ans) { for (int j = 1; j <= q[0]; j++) { int t = q[j]; if (t > i) break; ans = max(ans, a[i - t] * b[t]); } } printf("%d\n", ans); } return 0; }
2,300
CPP
#include <bits/stdc++.h> using namespace std; int main() { vector<int> a; int n; int i; bool ans; cin >> n; a.resize(n); for (i = 0; i < n; i++) { cin >> a[i]; } sort(a.begin(), a.end()); ans = false; for (i = 1; i < n; i++) { if (a[i] > a[i - 1] && 2 * a[i - 1] > a[i]) { ans = true; break; } } cout << (ans ? "YES" : "NO") << endl; return 0; }
1,400
CPP
t = int(input()) for i in range(t): n = int(input()) lista = list(map(int,input().split())) pos = {} for j in range(n): pos[lista[j]] = j l = r = pos[1] ans = "1" for j in range(2,n+1): l = min(l,pos[j]) r = max(r,pos[j]) if(r-l+1 == j): ans += "1" else: ans += "0" print(ans)
1,300
PYTHON3
n = int(input()) coins = [int(c) for c in input().split()] coins.sort() coins.reverse() all_coins = sum(coins) me = 0 for i, c in enumerate(coins): me += c if me > all_coins * 0.5: print(i+1) break
900
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); int n; cin >> n; int a[n]; int cnt1 = 0, cnt2 = 0; for (int i = 0; i < n; i++) { cin >> a[i]; if (a[i] == 1) cnt1++; else cnt2++; } if (cnt2 >= 1) { cnt2--; cout << 2 << " "; } if (cnt1 >= 1) { cnt1--; cout << 1 << " "; } long long sum = 0; for (int i = 0; i < cnt2; i++) { cout << 2 << " "; } for (int i = 0; i < cnt1; i++) { cout << 1 << " "; } }
1,200
CPP
import sys input = lambda: sys.stdin.readline().rstrip() N = int(input()) D = {} ans = [] for i in range(N): x, y, z = map(int, input().split()) if z in D: if y in D[z]: D[z][y].append((x, i)) else: D[z][y] = [(x, i)] else: D[z] = {y: [(x, i)]} E = {} for z in D: for y in D[z]: D[z][y] = sorted(D[z][y]) while len(D[z][y]) >= 2: a, b = D[z][y].pop(), D[z][y].pop() ans.append((a[1], b[1])) if len(D[z][y]): if z in E: E[z].append((y, D[z][y][0][1])) else: E[z] = [(y, D[z][y][0][1])] F = [] for z in E: E[z] = sorted(E[z]) while len(E[z]) >= 2: a, b = E[z].pop(), E[z].pop() ans.append((a[1], b[1])) if len(E[z]): F.append((z, E[z][0][1])) F = sorted(F) while len(F) >= 2: a, b = F.pop(), F.pop() ans.append((a[1], b[1])) ans = [(a[0]+1, a[1]+1) for a in ans] sans = [" ".join(map(str, a)) for a in ans] print("\n".join(sans))
1,900
PYTHON3
x=int(input()) while x>0: a = input() if len(a)<=10: print(a) else: print(a[0]+str(len(a)-2)+a[-1]) x-=1
800
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { long long int n, k; cin >> n >> k; map<int, int> p; if (k > 100000) k = 100000; for (int i = 1; i <= k; i++) { int t = n % i; if (!p.count(t)) { p[t] = 1; } else { cout << "No"; return 0; } } cout << "Yes"; return 0; }
1,600
CPP
a = input() l = len(a) k=0 if l%2==1: for i in range(l//2+1): if a[i]!=a[l-1-i]: k+=1 if k>1: print("NO") break if k==0: print("YES") else: for i in range(l//2): if a[i]!=a[l-1-i]: k+=1 if k>1: print("NO") break if k==0: print("NO") if k==1: print("YES")
1,000
PYTHON3
import os import sys from io import BytesIO, IOBase import math import itertools import bisect import heapq def main(): pass BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file.mode self.write = self.buffer.write if self.writable else None def read(self): while True: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) if not b: break ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines = 0 return self.buffer.read() def readline(self): while self.newlines == 0: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) self.newlines = b.count(b"\n") + (not b) ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines -= 1 return self.buffer.readline() def flush(self): if self.writable: os.write(self._fd, self.buffer.getvalue()) self.buffer.truncate(0), self.buffer.seek(0) class IOWrapper(IOBase): def __init__(self, file): self.buffer = FastIO(file) self.flush = self.buffer.flush self.writable = self.buffer.writable self.write = lambda s: self.buffer.write(s.encode("ascii")) self.read = lambda: self.buffer.read().decode("ascii") self.readline = lambda: self.buffer.readline().decode("ascii") sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout) input = lambda: sys.stdin.readline().rstrip("\r\n") def binary(n): return (bin(n).replace("0b", "")) def decimal(s): return (int(s, 2)) def pow2(n): p = 0 while (n > 1): n //= 2 p += 1 return (p) def primeFactors(n): l = [] while n % 2 == 0: l.append(2) n = n / 2 for i in range(3, int(math.sqrt(n)) + 1, 2): while n % i == 0: l.append(i) n = n / i if n > 2: l.append(int(n)) return (l) def isPrime(n): if (n == 1): return (False) else: root = int(n ** 0.5) root += 1 for i in range(2, root): if (n % i == 0): return (False) return (True) def maxPrimeFactors(n): maxPrime = -1 while n % 2 == 0: maxPrime = 2 n >>= 1 for i in range(3, int(math.sqrt(n)) + 1, 2): while n % i == 0: maxPrime = i n = n / i if n > 2: maxPrime = n return int(maxPrime) def countcon(s, i): c = 0 ch = s[i] for i in range(i, len(s)): if (s[i] == ch): c += 1 else: break return (c) def lis(arr): n = len(arr) lis = [1] * n for i in range(1, n): for j in range(0, i): if arr[i] > arr[j] and lis[i] < lis[j] + 1: lis[i] = lis[j] + 1 maximum = 0 for i in range(n): maximum = max(maximum, lis[i]) return maximum def isSubSequence(str1, str2): m = len(str1) n = len(str2) j = 0 i = 0 while j < m and i < n: if str1[j] == str2[i]: j = j + 1 i = i + 1 return j == m def maxfac(n): root = int(n ** 0.5) for i in range(2, root + 1): if (n % i == 0): return (n // i) return (n) def p2(n): c=0 while(n%2==0): n//=2 c+=1 return c def seive(n): primes=[True]*(n+1) primes[1]=primes[0]=False for i in range(2,n+1): if(primes[i]): for j in range(i+i,n+1,i): primes[j]=False p=[] for i in range(0,n+1): if(primes[i]): p.append(i) return(p) def ncr(n, r, p): num = den = 1 for i in range(r): num = (num * (n - i)) % p den = (den * (i + 1)) % p return (num * pow(den, p - 2, p)) % p def denofactinverse(n,m): fac=1 for i in range(1,n+1): fac=(fac*i)%m return (pow(fac,m-2,m)) def numofact(n,m): fac = 1 for i in range(1, n + 1): fac = (fac * i) % m return(fac) n=int(input()) root=int(n**0.5) f=0 for i in range(1,root+1): if(i*i==n): f+=1 elif(n%i==0): f+=2 print(f)
1,200
PYTHON3
#include <bits/stdc++.h> using namespace std; struct Nod { int mark, label; } nod[200010]; int val[200010]; bool cmp1(Nod n1, Nod n2) { if (n1.mark != n2.mark) return n1.mark > n2.mark; return n1.label < n2.label; } bool cmp2(Nod n1, Nod n2) { if (n1.mark != n2.mark) return n1.mark > n2.mark; return n1.label > n2.label; } int main() { int n, a, b; scanf("%d", &n); scanf("%d%d", &a, &b); for (int i = 0; i < n; ++i) { scanf("%d", &nod[i].mark); nod[i].label = i; } if (a == b) { for (int i = 1; i < n; ++i) if (i <= n / 2) printf("1 "); else printf("2 "); printf("2\n"); return 0; } if (a < b) { sort(nod, nod + n, cmp1); for (int i = 0; i < n; ++i) { if (i < a) val[nod[i].label] = 1; else val[nod[i].label] = 2; } } else { sort(nod, nod + n, cmp2); for (int i = 0; i < n; ++i) { if (i < b) val[nod[i].label] = 2; else val[nod[i].label] = 1; } } for (int i = 0; i < n - 1; ++i) printf("%d ", val[i]); printf("%d\n", val[n - 1]); return 0; }
1,700
CPP
#include <bits/stdc++.h> const int N = 100005; int n, m, K, Q, l, r, f[N], a[N][8], cnt[8][N]; int find(int x) { if (f[x] == x) return x; f[x] = find(f[x]); return f[x]; } int main() { scanf("%d%d%d", &n, &K, &m); for (int i = 1; i <= m; i++) { scanf("%d%d", &l, &r); a[l][r - l] = 1; } for (int i = 1; i <= n; i++) f[i] = i; for (int i = 1; i <= K; i++) for (int j = 1; j + i <= n; j++) if (a[j][i]) { int l = j, r = j + i; int fx = find(l), fy = find(r); if (fx == fy) a[j][i] = 0; f[fx] = fy; } for (int i = 1; i <= K; i++) for (int j = 1; j + i <= n; j++) cnt[i][j] = cnt[i][j - 1] + a[j][i]; scanf("%d", &Q); while (Q--) { scanf("%d%d", &l, &r); int sum = 0; for (int i = 1; i <= K && i <= r - l; i++) sum += cnt[i][r - i] - cnt[i][l - 1]; printf("%d\n", r - l + 1 - sum); } return 0; }
2,900
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 7; int fa[maxn]; int find(int x) { if (x == fa[x]) return x; else return fa[x] = find(fa[x]); } void un(int a, int b) { a = find(a); b = find(b); fa[a] = b; } int n, a, b; map<int, int> ma; int val[maxn]; int main() { cin >> n >> a >> b; for (int i = 1; i < maxn; i++) fa[i] = i; for (int i = 1; i <= n; i++) { scanf("%d", val + i); ma[val[i]] = i; } for (int i = 1; i <= n; i++) { if (val[i] <= a) { if (ma[a - val[i]] != 0) un(i, ma[a - val[i]]); else un(i, 2 + n); } else un(i, 2 + n); if (val[i] <= b) { if (ma[b - val[i]] != 0) un(i, ma[b - val[i]]); else un(i, 1 + n); } else un(i, 1 + n); } if (find(1 + n) == find(n + 2)) puts("NO"); else { puts("YES"); int faa = find(n + 1); int fab = find(n + 2); for (int i = 1; i <= n; i++) { if (find(i) == faa) { puts("0"); } else { puts("1"); } } } return 0; }
2,000
CPP
#include <bits/stdc++.h> #pragma GCC optimize("O3") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx") #pragma GCC optimize("unroll-loops") using namespace std; int t; long double n; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> t; while (t--) { cin >> n; long long num1 = ceil(n / 3.0); long long num2 = floor(n / 3.0); if (num1 + 2 * num2 == n) { cout << num1 << " " << num2 << endl; } else if (n - num1 + 2 * num2 == 0) { cout << num1 << " " << num2 << endl; } else { cout << num2 << " " << num1 << endl; } } }
800
CPP
#include <bits/stdc++.h> using namespace std; const int INF = 1e9 + 100; const long long INFLL = 1e18 + 100; const int MAXN = 3e5 + 100; int n, m, ans; char a[55][55]; int dx[] = {1, 2, 3, 4}; string s; bool tr = false, lo = false; void rec(int cur, int x, int y) { if (lo || tr) return; if (a[x][y] == 'E') { tr = 1; return; } if (cur >= s.size() || x > n || x < 1 || y > m || y < 1 || a[x][y] == '#') { lo = 1; return; } if (dx[0] == (s[cur] - 48) + 1) { rec(cur + 1, x + 1, y); if (lo || tr) return; } else if (dx[1] == (s[cur] - 48) + 1) { rec(cur + 1, x, y + 1); if (lo || tr) return; } else if (dx[2] == (s[cur] - 48) + 1) { rec(cur + 1, x, y - 1); if (lo || tr) return; } else { rec(cur + 1, x - 1, y); if (lo || tr) return; } if (lo || tr) return; } int main() { ios_base::sync_with_stdio(0), cin.tie(NULL), cout.tie(NULL); srand(time(NULL)); if (fopen("sorting" ".in", "r")) { freopen( "sorting" ".in", "r", stdin); freopen( "sorting" ".out", "w", stdout); } cin >> n >> m; int stx, sty; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= m; ++j) { cin >> a[i][j]; if (a[i][j] == 'S') { stx = i; sty = j; } } } cin >> s; do { tr = lo = false; rec(0, stx, sty); if (tr && !lo) ++ans; } while (next_permutation(dx, dx + 4)); cout << ans; return 0; }
1,200
CPP
#include <bits/stdc++.h> using namespace std; int N, M; double mat[64][64]; double R[8][64]; double S[8][64]; void solve() { int i, j, k, l, r, x, y; string s; cin >> N; M = 1 << N; for (y = 0; y < (M); y++) for (x = 0; x < (M); x++) cin >> mat[y][x], mat[y][x] /= 100.0; for (y = 0; y < (M); y++) R[0][y] = 1; for (i = 0; i < (N); i++) { x = 1 << i; for (y = 0; y < M; y += 2 * x) { for (int l = y; l < y + x; l++) for (int r = y + x; r < y + 2 * x; r++) { R[i + 1][l] += R[i][l] * R[i][r] * mat[l][r]; R[i + 1][r] += R[i][l] * R[i][r] * mat[r][l]; } for (int l = y; l < y + x; l++) for (int r = y + x; r < y + 2 * x; r++) { S[i + 1][l] = max(S[i + 1][l], S[i][l] + S[i][r] + (1 << i) * R[i + 1][l]); S[i + 1][r] = max(S[i + 1][r], S[i][l] + S[i][r] + (1 << i) * R[i + 1][r]); } } } double ret = 0; for (x = 0; x < (M); x++) ret = max(ret, S[N][x]); (void)printf("%.12lf\n", ret); } 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; }
2,100
CPP
#include <bits/stdc++.h> using namespace std; int sol[200000 + 10]; int timelim = 0; struct node { int l; int r; int d; } Node[200000 + 10]; bool ccc(int a, int b) { return a > b; } bool cmp(struct node a, struct node b) { return a.l < b.l; } int my_max(int a, int b) { return a > b ? a : b; } bool check(int abil, int size) { int nowtime; int nowloca; int nowxj = 0; while (nowxj < size && Node[nowxj].d <= abil) nowxj++; nowtime = nowloca = Node[nowxj].l - 1; while (nowxj < size) { int k = nowxj; int rimo = Node[k].r; while (k < size && (Node[k].l == Node[nowxj].l || Node[k].l <= rimo)) { if (Node[k].d > abil) rimo = my_max(rimo, Node[k].r); k++; } nowxj = k; while (nowxj < size && Node[nowxj].d <= abil) nowxj++; nowtime += 2 * (rimo - nowloca); nowtime += (Node[nowxj].l - 1 - nowloca); nowloca = Node[nowxj].l - 1; } if (nowtime <= timelim) return true; else return false; } int main() { int m, n, k, t; scanf("%d %d %d %d", &m, &n, &k, &t); for (int i = 0; i < m; i++) scanf("%d", &sol[i]); sol[m++] = 1000010; sort(sol, sol + m, ccc); for (int i = 0; i < k; i++) scanf("%d %d %d", &Node[i].l, &Node[i].r, &Node[i].d); Node[k].r = Node[k].l = n + 2; Node[k].d = 1000010; sort(Node, Node + k, cmp); int star, end; star = 0; end = m - 1; while (star <= end) { timelim = t; int mid = (star + end) / 2; if (check(sol[mid], k) == true) star = mid + 1; else end = mid - 1; } printf("%d\n", end); return 0; }
1,900
CPP
import os import sys debug = True if debug and os.path.exists("input.in"): input = open("input.in", "r").readline else: debug = False input = sys.stdin.readline def inp(): return (int(input())) def inlt(): return (list(map(int, input().split()))) def insr(): s = input() return s[:len(s) - 1] # Remove line char from end def invr(): return (map(int, input().split())) test_count = 1 if debug: test_count = int(input()) for t in range(test_count): if debug: print("Test Case #", t + 1) # Start code here b = inp() g = inp() n = inp() ans = 0 for i in range(0, n + 1): if i <= b and (n - i) <= g: ans += 1 print(ans)
1,100
PYTHON3
t = int(input()) for _ in range(t): a = list(map(int, input().split())) b = list(map(int, input().split())) a = sorted(a) b = sorted(b) if (a[0] + b[0]) == a[1] and a[1] == b[1] : print('YES') else: print('NO')
900
PYTHON3
import sys from collections import deque #from functools import * #from fractions import Fraction as f from copy import * #from bisect import * #from heapq import * #from math import gcd,ceil,sqrt from itertools import permutations as prm,product def eprint(*args): print(*args, file=sys.stderr) zz=1 #sys.setrecursionlimit(10**6) if zz: input=sys.stdin.readline else: sys.stdin=open('input.txt', 'r') sys.stdout=open('all.txt','w') di=[[-1,0],[1,0],[0,1],[0,-1]] def string(s): return "".join(s) def fori(n): return [fi() for i in range(n)] def inc(d,c,x=1): d[c]=d[c]+x if c in d else x def bo(i): return ord(i)-ord('A') def li(): return [int(xx) for xx in input().split()] def fli(): return [float(x) for x in input().split()] def comp(a,b): if(a>b): return 2 return 2 if a==b else 0 def gi(): return [xx for xx in input().split()] def cil(n,m): return n//m+int(n%m>0) def fi(): return int(input()) def pro(a): return reduce(lambda a,b:a*b,a) def swap(a,i,j): a[i],a[j]=a[j],a[i] def si(): return list(input().rstrip()) def mi(): return map(int,input().split()) def gh(): sys.stdout.flush() def isvalid(i,j,n,m): return 0<=i<n and 0<=j<m def bo(i): return ord(i)-ord('a') def graph(n,m): for i in range(m): x,y=mi() a[x].append(y) a[y].append(x) t=fi() while t>0: t-=1 n=fi() a=li() ans=1 r=[0]*(n+5) r[0]=1 for i in range(1,n): if a[i]<a[i-1]: if r[ans-1]==1: ans+=1 r[ans]+=1 else: r[ans-1]-=1 r[ans]+=1 else: r[ans]+=1 #print(ans,r,a[i]) print(ans)
1,600
PYTHON3
#include <bits/stdc++.h> using namespace std; const long long INF = 1e17; struct edge { int u, v; edge() {} edge(int _u, int _v) : u(_u), v(_v) {} }; struct node { vector<edge> edges; }; struct tree { vector<node> nodes; int root, n; tree(int _n, int _r = 0) : n(_n), root(_r) { nodes.resize(n); } void add_edge(int u, int v) { edge e1(u, v); edge e2(v, u); nodes[u].edges.push_back(e1); nodes[v].edges.push_back(e2); } vector<pair<int, int>> findDiametersAndCenters() { vector<pair<int, int>> ans; vector<bool> vis1(n, 0), vis2(n, 0); vector<int> parent(n, 0); for (int i = 0; i < n; i++) { if (vis1[i]) { continue; } int diameter, d1, d2; findDiameter(i, vis1, vis2, parent, diameter, d1, d2); int c = findCenter(d2, diameter, parent); ans.push_back({diameter, c}); } return move(ans); } pair<int, int> bfs(int u, vector<bool> &visited, vector<int> &parent) { queue<pair<int, int>> Q; visited[u] = true; int dist = 0; Q.push({u, 0}); while (!Q.empty()) { u = Q.front().first; dist = Q.front().second; Q.pop(); for (auto &e : nodes[u].edges) { if (visited[e.v]) { continue; } visited[e.v] = true; Q.push({e.v, dist + 1}); parent[e.v] = u; } } return {u, dist}; } void findDiameter(int u, vector<bool> &vis1, vector<bool> &vis2, vector<int> &parent, int &diameter, int &d1, int &d2) { d1 = bfs(u, vis1, parent).first; auto p = bfs(d1, vis2, parent); d2 = p.first; diameter = p.second; } int findCenter(int u, int diameter, vector<int> &parent) { diameter >>= 1; while (diameter--) { u = parent[u]; } return u; } }; int main() { ios::sync_with_stdio(0); cin.tie(0), cout.tie(0); int n, m; cin >> n >> m; tree t(n); for (int i = 0; i < m; i++) { int u, v; cin >> u >> v; u--; v--; t.add_edge(u, v); } vector<pair<int, int>> DnC = t.findDiametersAndCenters(); sort(DnC.rbegin(), DnC.rend()); int res = DnC[0].first; if (DnC.size() >= 2) { res = max(res, (DnC[0].first + 1) / 2 + (DnC[1].first + 1) / 2 + 1); } if (DnC.size() >= 3) { res = max(res, (DnC[1].first + 1) / 2 + (DnC[2].first + 1) / 2 + 2); } cout << res << '\n'; for (int i = 1; i < DnC.size(); i++) { cout << DnC[i].second + 1 << ' ' << DnC[0].second + 1 << '\n'; } }
2,000
CPP
n=int(input()) l=[] for i in range(n): l1=input() l.append(l1) m=list(set(l)) ma=0 for i in range(len(m)): c=l.count(m[i]) if(c>ma): ma=c p=m[i] print(p)
1,000
PYTHON3
#include <bits/stdc++.h> using namespace std; int dir8[2][8] = {{1, -1, 0, 0, 1, -1, 1, -1}, {0, 0, 1, -1, 1, -1, -1, 1}}; int dir4[2][4] = {{1, -1, 0, 0}, {0, 0, 1, -1}}; long long m, n, row, col, x, y; char g[1006]; map<int, char> s; int len, i, j, a[26], required; bool nums[100000]; int primes[100000]; void siv() { int d = 0; primes[d++] = 2; for (long long w = 3; w < 100000; w += 2) { if (!nums[w]) { primes[d++] = (int)w; for (long long j = w * w; j < 100000; j += (2 * w)) nums[j] = 1; } } } struct node { int val, idx; } freq[26]; bool cmp(node a, node b) { return a.val > b.val; } void solve() { scanf("%s", g); len = strlen(g); map<int, int> rel; for (i = 0; i < len; i++) { a[g[i] - 'a']++; } for (i = 0; i < 26; i++) { freq[i].val = a[i]; freq[i].idx = i; } sort(freq, freq + 26, cmp); bool acid = 0; for (i = 0; primes[i] <= len; i++) { required = len / primes[i]; if (required >= 2) { int deb = 0; for (j = primes[i] - 1; j < len; j += primes[i]) { if (s[j] == 0) { deb++; s[j] = (char)(freq[0].idx + 98); } } if (freq[0].val < deb) { acid = 1; break; } else freq[0].val -= deb; } else { for (j = 0; j < 26; j++) { if (freq[j].val >= required) { freq[j].val -= required; s[primes[i] - 1] = (char)(freq[j].idx + 98); break; } } } } if (acid) printf("NO\n"); else { printf("YES\n"); for (i = 0; i < 26; i++) { if (freq[i].val == 1) { s[0] = (char)(freq[i].idx + 98); } } s[len] = 0; for (i = 0; s[i]; i++) cout << (char)((int)s[i] - 1); } } int main() { siv(); solve(); return 0; }
1,300
CPP
n = int(input()) for _ in range(n): x = int(input()) if x%2== 0 and (x // 2) % 2 == 0: print("YES") else: print("NO")
800
PYTHON3
loop = int(input()) start = 0 while start < loop: word = str(input()) if len(word) > 10: print(word[0] + str(len(word) - 2) + word[len(word) - 1]) else: print(word) start += 1
800
PYTHON3
#! /usr/bin/python3 import re import math def getA(a): num = 0 for aa in range(0, len(a)): b = ord(a[aa]) - 64 num = num * 26 + b return num def getB(a): a = int(a) if a <= 26: return chr(a + 64) s = '' while True: b = math.floor(a / 26) c = a % 26 if c == 0: c = 26 b = b - 1 s = chr(c + 64) + s if b <= 26: s = chr(b + 64) + s break else: a = b return s rows = input() rows = int(rows) list = [] for i in range(0, rows): a = input() a = a.strip() m = re.search('^([A-Z]+)(\d+)$', a) n = re.search('^R(\d+)C(\d+)', a) if m: c = getA(m.group(1)) list.append('R' + str(m.group(2)) + 'C' + str(c)) if n: c = getB(n.group(2)) list.append(c + str(n.group(1))) for a in list: print(a)
1,600
PYTHON3
#include <bits/stdc++.h> using namespace std; const int maxn = 1005; long long n, m, a[maxn], ans, d[maxn]; pair<long long, long long> b[maxn]; vector<long long> g[maxn]; int main() { ios::sync_with_stdio(0); cin.tie(0); cin >> n >> m; for (long long i = 1; i <= n; i++) { cin >> a[i]; b[i] = make_pair(a[i], i); } for (long long i = 1; i <= m; i++) { long long x, y; cin >> x >> y; d[x] += a[y]; d[y] += a[x]; g[x].push_back(y); g[y].push_back(x); } sort(b + 1, b + n + 1); for (long long i = n; i >= 1; i--) { long long x = b[i].second; ans += d[x]; for (long long j = 0; j < g[x].size(); j++) d[g[x][j]] -= a[x]; } cout << ans; return 0; }
1,400
CPP
import random n, k = map(int, input().split()) password = '' d = [chr(x) for x in range(ord('a'), ord('z') + 1)] l = random.sample(d, k) for i in range(0, n): password += l[i % k] print(password)
800
PYTHON3
t = int(input()) for i in range(t): n = int(input()) curr = 3 while(n%curr != 0): curr = 2*curr+1 print(n//curr)
900
PYTHON3
#include <bits/stdc++.h> using namespace std; struct edge { long long int A; long long int B; }; long long int power(long long int a, long long int b, long long int mod) { long long int x = 1, y = a; while (b > 0) { if (b % 2) { x = (x * y) % mod; } y = (y * y) % mod; b /= 2; } return x % mod; } long long int modular_inverse(long long int n, long long int mod) { return power(n, mod - 2, mod); } bool edgecompare(edge lhs, edge rhs) { if (lhs.B != rhs.B) return lhs.B < rhs.B; else return lhs.A < rhs.A; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); long long int n, m, i, j, k, flag = 0, x; string str; long long int a; cin >> n; set<long long int> S; long long int ans = 1; long long int curr = 0; long long int buy = INT_MIN, sell = INT_MAX; S.insert(INT_MIN); S.insert(INT_MAX); for (i = 0; i < n; i++) { cin >> str >> a; if (str == "ADD") { S.insert(a); if (a > buy && a < sell) { curr++; } } else { if (a < buy || a > sell) { ans = 0; break; } else { set<long long int>::iterator it2 = S.find(a); set<long long int>::iterator it1 = S.find(a); it1--; it2++; if (a != buy && a != sell) { buy = *it1; sell = *it2; ans *= 2; ans %= 1000000007; curr = 0; } else { buy = *it1; sell = *it2; curr = 0; } S.erase(a); } } } ans *= (curr + 1); ans %= 1000000007; cout << ans; return 0; }
2,100
CPP
for t in range(int(input())): a,b=tuple(map(int,input().split())) if a==b: print(0) elif b>a: if (b-a)%2!=0: print(1) else: print(2) else: if(a-b)%2!=0: print(2) else: print(1)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; int sum(int n) { return n * (n + 1) / 2; } int main() { int n; while (~scanf("%d", &n)) { int s = 0; int i = 1; while (1) { s = sum(i); n -= s; i++; if (n < sum(i)) { break; } } printf("%d\n", i - 1); } return 0; }
800
CPP
t = int(input()) result = [] for i in range(t): n = int(input()) a = [int(x) for x in input().split(" ")] a.sort() countEven = 0 countOdd = 0 for x in a: if x % 2 == 0: countEven = countEven + 1 else: countOdd = countOdd + 1 if countEven % 2 == 0: result.append("YES") else: ok = True for i in range(n - 1): if a[i + 1] - a[i] == 1: ok = False break if ok: result.append("NO") else: result.append("YES") for i in result: print(i)
1,100
PYTHON3
R = lambda: map(int,input().split()) n,m,k = R() h = set(R()) cb = 1 for i in range(k): u,v = R() if cb in h: break if u == cb: cb = v elif v == cb: cb = u print(cb)
1,300
PYTHON3
#include <bits/stdc++.h> using namespace std; int dir1[8][2] = {1, 2, 2, 1, 2, -1, 1, -2, -1, 2, -2, 1, -1, -2, -2, -1}; int dir2[4][2] = {1, 0, 0, 1, -1, 0, 0, -1}; int dir3[8][2] = {1, 0, 0, 1, -1, 0, 0, -1, 1, 1, 1, -1, -1, 1, -1, -1}; int gcd(int x, int y) { return y == 0 ? x : gcd(y, x % y); } bool isPrime(int x) { if (x == 1) return false; else if (x == 2) return true; for (int i = 2; i <= sqrt(x * 1.0); ++i) { if (x % i == 0) return false; } return true; } int sqr(int x) { return x * x; } int main() { long long int n; while (cin >> n) { long long int ans = (n + 2) * (n + 1) * n / 6; long long int sum = ans * (ans * (n + 3) * (n + 4) / 20); cout << sum << endl; } return 0; }
1,600
CPP
n, l, r = map(int, input().split()) minlst = [] maxlst = [] for i in range(l): minlst.append(2 ** i) for i in range(r): maxlst.append(2 ** i) for i in range(n - l): minlst.append(1) for i in range(n - r): maxlst.append(2 ** (r - 1)) print(sum(minlst)) print(sum(maxlst))
900
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { long long int i, j, k, n, m, l = 0, x, y, flag = 0; cin >> n >> m >> k; long long int a[n], b[m]; vector<pair<long long int, long long int> > v; for (i = 0; i < n; i++) cin >> a[i]; for (i = 0; i < k; i++) { cin >> x >> y; if (x == 1) { flag = 0; for (j = 0; j < l; j++) { if (v[j].second == y) { flag = 1; break; } } if (l < m) { l++; v.push_back(make_pair(a[y - 1], y)); } else { sort(v.begin(), v.end()); if (a[y - 1] > v[0].first) { v[0].first = a[y - 1]; v[0].second = y; } } } else { flag = 0; for (j = 0; j < l; j++) { if (v[j].second == y) { flag = 1; break; } } if (flag == 1) cout << "YES\n"; else cout << "NO\n"; } } return 0; }
1,200
CPP
cnt,s = 1,'' while len(s)<10000:cnt,s=cnt+1,s+str(cnt) print(s[int(input())-1])
1,000
PYTHON3
import re txt = input() t=False if(re.search('AB',txt)!= None): st = txt.replace('AB','X',1) if(re.search('BA',st)!= None): t=True if(re.search('BA',txt)!= None): st = txt.replace('BA','X',1) if(re.search('AB',st)!= None): t=True if(t==False): print("NO") else: print("YES")
1,500
PYTHON3
n,k,x = map(int, input().split()) chores = list(map(int,input().split())) for i in range(n-1,n-1-k,-1): chores[i] = x print(sum(chores))
800
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { long long int a, b, c, d, i, j, k, l; map<long double, long long int> m; cin >> a; long double a1[a]; string s; for (i = 0; i < a; i++) { cin >> s; string s1 = "", s2 = "", s3 = ""; j = 1; while (1) { if (s[j] == '+') break; s1 += s[j], j++; } j++; while (1) { if (s[j] == ')') break; s2 += s[j]; j++; } j += 2; while (1) { if (j == s.length()) break; s3 += s[j]; j++; } int p, q, r; p = stoi(s1); q = stoi(s2); r = stoi(s3); long double cur = (p + q) / (long double)r; a1[i] = cur; auto it = m.find(a1[i]); if (it == m.end()) { m.insert(pair<long double, long long int>(a1[i], 1)); } else it->second = it->second + 1; } for (i = 0; i < a; i++) { auto it = m.find(a1[i]); cout << it->second << " "; } }
1,400
CPP
for i in range(int(input())): n,k=map(int,input().split()) l=list(map(int,input().split())) d=max(l) for i in range(len(l)): l[i]=abs(d-l[i]) if k%2!=0: print(*l) else: a=max(l) for i in range(len(l)): l[i]=abs(a-l[i]) print(*l)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); long long t; cin >> t; while (t--) { long long n; cin >> n; if (n % 4 == 0) cout << "YES" << "\n"; else cout << "NO" << "\n"; } return 0; }
800
CPP
from collections import defaultdict n, k = map(int, input().split()) s = input() c = list(input().split()) d = defaultdict(int) ans = 0 for x in c: d[x] += 1 l = 0 for x in s: if d[x] == 0: ans += (l*(l+1))//2 l = 0 else: l += 1 if l > 0: ans += (l*(l+1))//2 print(ans)
1,200
PYTHON3
#include <bits/stdc++.h> using namespace std; long long a[1000010], b[1000], d[1000010], p[1000010]; long long mn = 1e18, mx = -1e18, ans, cnt, sm = 1, n, m, cur; bool ok, okk, u[1000010], uu[310][310], uk[1000010]; char ck[510][510], ch[100010]; int dx[4] = {0, 1, 0, -1}, dy[4] = {-1, 0, 1, 0}; vector<long long> g[900010]; int main() { long long k; cin >> n >> m >> k; for (int i = 0; i < n; i++) { cin >> a[i]; } m--; while (true) { cnt++; if (m - cnt >= 0) { if (a[m - cnt] != 0 && a[m - cnt] <= k) { cout << cnt * 10; return 0; } } if (m + cnt < n) { if (a[m + cnt] != 0 && a[m + cnt] <= k) { cout << cnt * 10; return 0; } } } return 0; }
800
CPP
#include <bits/stdc++.h> using namespace std; inline int read() { int num = 0; char c = getchar(); if (c == '-') return -read(); while (c >= '0' && c <= '9') { num = (num << 3) + (num << 1) + c - '0'; c = getchar(); } return num; } inline long long READ() { long long num = 0; char c = getchar(); if (c == '-') return -READ(); while (c >= '0' && c <= '9') { num = (num << 3) + (num << 1) + c - '0'; c = getchar(); } return num; } long long dp[100007], dp2[100007]; long long MAXV = 314000000; int lgl[100007]; vector<vector<int> > fl[100007]; bool hwam[100007]; void uwm(long long& a) { if (a > MAXV) a = MAXV; } long long dfsmin(int now) { if (lgl[now] == 1) hwam[now] = 1; if (lgl[now] == 2) return -1; if (dp[now] != ((int)0x3f3f3f3f)) return dp[now]; lgl[now]++; for (int i = 0; i < ((int)(fl[now]).size()); i++) { long long ans = 0; bool hwww = hwam[now]; for (int j = 0; j < ((int)(fl[now][i]).size()); j++) { long long nowans; if (fl[now][i][j] == -1) nowans = 1; else nowans = dfsmin(fl[now][i][j]); if (nowans == -1) { ans = -1; break; } ans += nowans; uwm(ans); } if (ans != -1) { uwm(ans); if (dp[now] == -1) dp[now] = ans; else dp[now] = min(dp[now], ans); } else hwam[now] = hwww; } lgl[now]--; if (dp[now] == ((int)0x3f3f3f3f)) return dp[now] = -1; else return dp[now]; } long long dfsmax(int now) { if (lgl[now] == 2) return -1; if (dp2[now] != -((int)0x3f3f3f3f)) return dp2[now]; lgl[now]++; for (int i = 0; i < ((int)(fl[now]).size()); i++) { long long ans = 0; for (int j = 0; j < ((int)(fl[now][i]).size()); j++) { long long nowans; if (fl[now][i][j] == -1) nowans = 1; else nowans = dfsmax(fl[now][i][j]); if (nowans == -2) ans = -2; else if (nowans == -1) { ans = -1; break; } if (ans != -2) ans += nowans; uwm(ans); } if (ans != -1 && ans != -2) { uwm(ans); if (dp2[now] != -2) dp2[now] = max(dp2[now], ans); } else if (ans == -2) dp2[now] = -2; } lgl[now]--; if (hwam[now]) { if (dp[now] != -1) return dp2[now] = -2; else return dp2[now] = -1; } if (dp2[now] == -((int)0x3f3f3f3f)) return dp2[now] = -1; return dp2[now]; } int n, m; int main() { scanf("%d%d", &n, &m); for (int i = 0; i < n; i++) { int a, b; scanf("%d%d", &a, &b); fl[a].push_back(vector<int>(b)); for (int j = 0; j < b; j++) scanf("%d", &fl[a][((int)(fl[a]).size()) - 1][j]); } memset((void*)lgl, 0, sizeof(lgl)); memset((void*)hwam, 0, sizeof(hwam)); for (int i = 0; i < 100007; i++) dp[i] = ((int)0x3f3f3f3f); for (int i = 1; i <= m; i++) if (dp[i] == ((int)0x3f3f3f3f)) dfsmin(i); memset((void*)lgl, 0, sizeof(lgl)); for (int i = 0; i < 100007; i++) dp2[i] = -((int)0x3f3f3f3f); for (int i = 1; i <= m; i++) if (dp2[i] == -((int)0x3f3f3f3f)) dfsmax(i); for (int i = 1; i <= m; i++) printf("%I64d %I64d\n", dp[i], dp2[i]); return 0; }
2,600
CPP
#include <bits/stdc++.h> using namespace std; #define int long long #define x first #define y second #define PII pair<int,int> #define LL long long #define pb push_back #define pqp priority_queue<PII,vector<PII>,greater<PII> > #define pqi priority_queue<int,vector<int>,greater<int> > #define PSS pair<string,string> #define in insert #define line inline #define sort(s) sort(s.begin(),s.end()); #define reverse(s) reverse(s.begin(),s.end()); #define max_(s) *max_element(s.begin(), s.end()) #define V vector<int> #define VV vector<V> #define IOS ios::sync_with_stdio(false);cin.tie(0);cout.tie(0); int dx[]= {0,-1,0,1,0,0},dy[]= {-1,0,1,0,0,0},dz[] = {0,0,0,0,-1,1}; void solve() { int n,k; cin >> n >> k; string s; cin >> s; int star = -1,last,cnt = 0; for(int i = 0; i < s.size(); i ++){ if(s[i] == '*'){ if(star == -1) star = i; last = i; } } if(last == star){ cout << 1 << endl; return ; } for(int i = star; i + k < last;){ for(int j = i + k; j > i; j --){ if(s[j] == '*'){ i = j; cnt ++; break; } } } cout << cnt + 2 << endl; } signed main() { // IOS // init(); // get_primes(N - 1); int _; cin >> _;for(int i = 1; i <= _; i ++) solve(); }
1,100
CPP
input();x=input() print('NO' if x.count('SF')<=x.count('FS') else 'YES')
800
PYTHON3
import os from io import BytesIO # input = BytesIO(os.read(0, os.fstat(0).st_size)).readline for i in range(int(input())): a, b, c, r = map(int, input().split()) a, b = min(a, b), max(a, b) left = max(c - r, a) right = min(c + r, b) if right >= a and left <= right: print(b - a - (right - left)) else: print(b - a)
900
PYTHON3
#include <bits/stdc++.h> using namespace std; const int INF = 1000000000; const int mod = 1000000007; const double eps = 0.0000000001; int n, m; vector<vector<char> > board; bool Try(int x1, int y1, int x2, int y2, int x3, int y3) { if (x1 != n && y1 != n && x2 != n && y2 != n && x3 != n && y3 != n) return false; if (x1 > n || y1 > n || x2 > n || y2 > n || x3 > n || y3 > n) return false; board.resize(n + 1); for (int i = 0; i <= n; i++) { board[i].resize(n + 1, '#'); } if (x2 == n || y2 == n) { swap(x1, x2); swap(y1, y2); } if (x3 == n || y3 == n) { swap(x1, x3); swap(y1, y3); } if (x1 != n) { swap(x1, y1); } m -= y1; for (int i = 1; i <= y1; i++) { for (int j = 1; j <= n; j++) { board[i][j] = '1'; } } if (x2 < y2) { swap(x2, y2); } if (x3 < y3) { swap(x3, y3); } if (x2 == n && x3 == n) { if (y2 + y3 != m) return false; for (int i = y1 + 1; i <= y1 + y2; i++) { for (int j = 1; j <= n; j++) { board[i][j] = '2'; } } for (int i = y1 + y2 + 1; i <= n; i++) { for (int j = 1; j <= n; j++) { board[i][j] = '3'; } } return true; } if (x2 == m && x3 == m) { if (y2 + y3 == n) { for (int i = y1 + 1; i <= n; i++) { for (int j = 1; j <= y2; j++) { board[i][j] = '2'; } } for (int i = y1 + 1; i <= n; i++) { for (int j = y2 + 1; j <= n; j++) { board[i][j] = '3'; } } return true; } } if (y2 == m && y3 == m) { if (x2 + x3 != n) return false; swap(x2, y2); swap(x3, y3); for (int i = y1 + 1; i <= n; i++) { for (int j = 1; j <= y2; j++) { board[i][j] = '2'; } } for (int i = y1 + 1; i <= n; i++) { for (int j = y2 + 1; j <= n; j++) { board[i][j] = '3'; } } return true; } if (x3 > y3) { swap(x3, y3); } if (x2 == n && x3 == n) { if (y2 + y3 != m) return false; for (int i = y1 + 1; i <= y1 + y2; i++) { for (int j = 1; j <= n; j++) { board[i][j] = '2'; } } for (int i = y1 + y2 + 1; i <= n; i++) { for (int j = 1; j <= n; j++) { board[i][j] = '3'; } } return true; } if (x2 == m && x3 == m) { if (y2 + y3 == n) { for (int i = y1 + 1; i <= n; i++) { for (int j = 1; j <= y2; j++) { board[i][j] = '2'; } } for (int i = y1 + 1; i <= n; i++) { for (int j = y2 + 1; j <= n; j++) { board[i][j] = '3'; } } return true; } } if (y2 == m && y3 == m) { if (x2 + x3 != n) return false; swap(x2, y2); swap(x3, y3); for (int i = y1 + 1; i <= n; i++) { for (int j = 1; j <= y2; j++) { board[i][j] = '2'; } } for (int i = y1 + 1; i <= n; i++) { for (int j = y2 + 1; j <= n; j++) { board[i][j] = '3'; } } return true; } return false; } void solution() { vector<pair<int, int> > sizes(3); int x, y; int square = 0; for (int i = 0; i < 3; i++) { cin >> x >> y; if (x < y) swap(x, y); square += (x * y); sizes[i] = make_pair(x, y); } n = -1; for (int i = 0; i <= 500; i++) { if (i * i == square) { n = i; break; } } if (n == -1) { cout << "-1\n"; return; } m = n; bool ok = Try(sizes[0].first, sizes[0].second, sizes[1].first, sizes[1].second, sizes[2].first, sizes[2].second); if (!ok) { cout << "-1\n"; return; } cout << n << "\n"; int ones = 0, twos = 0, thirds = 0; int side_ones = 0, side_twos = 0, side_thirds = 0; int side_ones_2, side_twos_2, side_thirds_2; int k1, k2, k3; k1 = 0, k2 = 0, k3 = 0; for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { if (board[i][j] == '1') ones++; if (board[i][j] == '2') twos++; if (board[i][j] == '3') thirds++; if (board[i][j] == '1') { k1++; } else { k1 = min(k1, n); if (k1 != 0) { side_ones = max(side_ones, k1); k1 = 0; } } if (board[i][j] == '2') { k2++; } else { k2 = min(k2, n); if (k2 != 0) { side_twos = max(side_twos, k2); k2 = 0; } } if (board[i][j] == '3') { k3++; } else { k3 = min(k3, n); if (k3 != 0) { side_thirds = max(side_thirds, k3); k3 = 0; } } } } side_ones = max(side_ones, min(k1, n)); side_twos = max(side_twos, min(k2, n)); side_thirds = max(side_thirds, min(k3, n)); side_ones_2 = ones / side_ones; side_twos_2 = twos / side_twos; side_thirds_2 = thirds / side_thirds; map<char, char> go; vector<bool> was(3, false); if (side_ones < side_ones_2) swap(side_ones, side_ones_2); if (side_twos < side_twos_2) swap(side_twos, side_twos_2); if (side_thirds < side_thirds_2) swap(side_thirds, side_thirds_2); for (int i = 0; i < 3; i++) { if (!was[0] && make_pair(side_ones, side_ones_2) == sizes[i]) { go['1'] = char('A' + i); was[0] = true; } else if (!was[1] && make_pair(side_twos, side_twos_2) == sizes[i]) { go['2'] = char('A' + i); was[1] = true; } else { go['3'] = char('A' + i); was[2] = true; } } int Aa = 0, Bb = 0, Cc = 0; for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { cout << go[board[i][j]]; if (go[board[i][j]] == 'A') Aa = 1; if (go[board[i][j]] == 'B') Bb = 1; if (go[board[i][j]] == 'C') Cc = 1; } cout << "\n"; } } void include_file() { freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); } int main() { solution(); return 0; }
1,700
CPP
n,v = map(int,input().split()) if v > n: print(n-1) else: print((n-v-1)*(n-v+2)//2 + v)
900
PYTHON3
#include <bits/stdc++.h> using namespace std; int K, x, l1, l2, s[99], e[99], ac[99]; bool can(int s, int e, int ac, int L) { if (L == 1 && (s != e || ac > 0)) return false; if (L == 2 && s == 'A' && e == 'C' && ac < 1) return false; if (L == 1) return ac == 0; if (L == 2) return (ac == 0) || (s == 'A' && e == 'C' && ac == 1); if (ac * 2 + 2 <= L) return true; if (s == 'A' && ac * 2 + 1 <= L) return true; if (e == 'C' && ac * 2 + 1 <= L) return true; if (s == 'A' && e == 'C' && ac * 2 <= L) return true; return false; } int equal(int s1, int e1, int ac1, int s2, int e2, int ac2) { s[1] = s1; e[1] = e1; ac[1] = ac1; s[2] = s2; e[2] = e2; ac[2] = ac2; for (int i = 3; i <= K; i++) { s[i] = s[i - 2]; e[i] = e[i - 1]; ac[i] = ac[i - 2] + ac[i - 1]; if (e[i - 2] == 'A' && s[i - 1] == 'C') ac[i]++; if (ac[i] > x) return false; } return ac[K] == x; } void Write(int s, int e, int ac, int L) { if (L == 1) { printf("%c\n", s); return; } if (L == 2) { printf("%c%c\n", s, e); return; } if (s == 'A' && e == 'C') { if (ac == 0) { printf("A"); for (int i = 1; i <= L - 2; i++) printf("B"); printf("C\n"); return; } if (ac == 1) { printf("AC"); for (int i = 1; i <= L - 3; i++) printf("B"); printf("C\n"); return; } if (ac >= 2) { printf("AC"); for (int i = 1; i <= ac - 2; i++) printf("AC"); for (int i = 1; i <= L - 2 * ac; i++) printf("B"); printf("AC\n"); return; } } if (s == 'A') { if (ac == 0) { printf("A"); for (int i = 1; i <= L - 2; i++) printf("B"); printf("%c\n", e); return; } else { printf("A"); if (ac) printf("C"); for (int i = 1; i <= ac - 1; i++) printf("AC"); for (int i = 1; i <= L - 2 * ac - 1; i++) printf("B"); printf("%c\n", e); return; } } if (e == 'C') { if (ac == 0) { printf("%c", s); for (int i = 1; i <= L - 2; i++) printf("B"); printf("C\n"); return; } else { printf("%c", s); for (int i = 1; i <= L - 2 * ac - 1; i++) printf("B"); for (int i = 1; i <= ac - 1; i++) printf("AC"); if (ac) printf("A"); printf("C\n"); return; } } printf("%c", s); for (int i = 1; i <= ac; i++) printf("AC"); for (int i = 1; i <= L - 2 * ac - 2; i++) printf("B"); printf("%c\n", e); } int main() { scanf("%d%d%d%d", &K, &x, &l1, &l2); for (int s1 = 'A'; s1 <= 'C'; s1++) for (int e1 = 'A'; e1 <= 'C'; e1++) for (int ac1 = 0; ac1 <= l1 / 2; ac1++) if (can(s1, e1, ac1, l1)) for (int s2 = 'A'; s2 <= 'C'; s2++) for (int e2 = 'A'; e2 <= 'C'; e2++) for (int ac2 = 0; ac2 <= l2 / 2; ac2++) if (can(s2, e2, ac2, l2)) if (equal(s1, e1, ac1, s2, e2, ac2)) { Write(s1, e1, ac1, l1); Write(s2, e2, ac2, l2); return 0; } printf("Happy new year!\n"); return 0; }
2,000
CPP
i1 = 0 j1 = 0 for i in range(5): a = input().split() if (a.count('1') == 1): i1 = i j1 = a.index('1') break print(abs(i1 - 2) + abs(j1 - 2))
800
PYTHON3
#include <bits/stdc++.h> using namespace std; const double EPS = 1e-9; const int MOD = 1e9 + 7; template <class T> inline T my_min(T a, T b) { return a < b ? a : b; } template <class T> inline T my_max(T a, T b) { return a > b ? a : b; } template <class T> inline void my_swap(T& a, T& b) { T tmp = a; a = b; b = tmp; } template <class T> inline T my_abs(T a) { return (a > 0 ? a : -a); } const int max_size = 1e5 + 5; int n; int main() { scanf("%d", &n); cout << (n / 2) + 1 << "\n"; return 0; }
800
CPP
n, k = input().split() n = int(n) k = int(k) a = list(map(int, input().split())) for i in range(1, n+1): res = (1 + i) * i // 2 if res >= k: k = k - (i - 1) * i // 2 print(a[k-1]) break
1,000
PYTHON3
n=int(input()) c=0 for i in range(n): s=input() if s=="++X" or s=="X++": c+=1 else: c-=1 print(c)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; int n; int ans = 0, furthest; vector<int> adj[100000]; void DFS(int v, int p, int d) { if (d > ans) { ans = d; furthest = v; } for (int i = 0; i < adj[v].size(); i++) { int u = adj[v][i]; if (u == p) continue; DFS(u, v, d + 1); } } int main() { int m; cin >> n >> m; for (int i = 0; i < n - 1; i++) { int a, b; cin >> a >> b; adj[a - 1].push_back(b - 1); adj[b - 1].push_back(a - 1); } DFS(0, -1, 0); DFS(furthest, -1, 0); cout << ans; }
1,500
CPP
#include <bits/stdc++.h> using namespace std; template <typename T> string tostr(const T& t) { ostringstream os; os << t; return os.str(); } long long big = 2000000000010LL; bool winner(string& a, string& b, string& c) { if (a == "rock" && b == "scissors" && c == "scissors") return true; if (a == "paper" && b == "rock" && c == "rock") return true; if (a == "scissors" && b == "paper" && c == "paper") return true; return false; } int main() { string f, m, s; cin >> f >> m >> s; if (winner(f, m, s)) cout << "F" << endl; else if (winner(m, f, s)) cout << "M" << endl; else if (winner(s, f, m)) cout << "S" << endl; else cout << "?" << endl; return 0; }
900
CPP
#include <bits/stdc++.h> int main() { int s[200][200], n, p, c, i, j; c = 1; s[0][0] = 1; s[1][0] = 1; scanf("%d", &n); for (p = 2; c + p <= n; p++) { for (i = 0; i < p; i++) s[i][p - 1] = s[p][i] = c + i + 1; c += p; } printf("%d\n", p); for (i = 0; i < p; i++) { for (j = 0; j < p - 1; j++) printf("%d ", s[i][j]); printf("\n"); } return 0; }
1,600
CPP