제출 #157587

#제출 시각아이디문제언어결과실행 시간메모리
157587RoundMangoRice Hub (IOI11_ricehub)C++14
26 / 100
18 ms2552 KiB
#include <bits/stdc++.h> using namespace std; long long a[100005], sum[100005], n, l = 1, r, md, mx, xx, ans; int besthub(int R, int L, int a[], long long b) { for (int i = 1; i <= R; i++) sum[i] = sum[i-1] + a[i-1]; r = R; while (l < r) { ans = 1e10; md = (l+r+1)>>1; for (int i = md; i <= R; i++) { n = i-md+1; mx = (i+n+1)>>1; xx = sum[i] - sum[mx] - (i-mx)*a[mx] + a[mx]*(mx-n) - sum[mx-1] + sum[n-1]; ans = min(ans, xx); } if (ans <= b) l = md; else r = md-1; } return l; }
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