제출 #36365

#제출 시각아이디문제언어결과실행 시간메모리
36365funcsr쌀 창고 (IOI11_ricehub)C++14
100 / 100
29 ms7092 KiB
#include <iostream> #include <vector> #include <algorithm> #include <queue> #include "ricehub.h" using namespace std; #define INF 1145141919 #define rep(i, n) for (int i=0; i<(n); i++) #define _1 first #define _2 second #define all(x) x.begin(), x.end() #define pb push_back typedef pair<int, int> P; int N, L; long long B; int X[100000]; long long T[100001]; inline long long sum(int l, int r) { return T[r+1] - T[l]; } inline long long f(int l, int r) { int g = (l+r)/2; // (1LL*(g-l+1)*X[g] - sum(l, g)) + (sum(g, r) - 1LL*(r-g+1)*X[g]); return 1LL*(2*g-l-r)*X[g] + sum(g, r) - sum(l, g); } int besthub(int n, int l, int x[], long long b) { N = n, L = l, B = b; rep(i, N) X[i] = x[i]; T[0] = 0; rep(i, N) T[i+1] = T[i] + X[i]; int m = 0; int p = 0; rep(l, N) { while (p < N && f(l, p) <= B) p++; m = max(m, p-l); } return m; }
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