제출 #80576

#제출 시각아이디문제언어결과실행 시간메모리
80576arman_ferdousRice Hub (IOI11_ricehub)C++17
17 / 100
82 ms2696 KiB
#include <bits/stdc++.h> #include "ricehub.h" using namespace std; typedef long long ll; const int N = 1e5+10; int n; ll arr[N], sum[N], cap, lim; ll calc(ll i, ll j, ll x) { ll p = lower_bound(arr,arr+n,x) - arr; p++; ll ret = x * (p - i) - (sum[p-1] - sum[i-1]); ret = ret + sum[j] - sum[p-1] - x * (j - p + 1); return ret; } bool ok(int l, int r) { ll med = (sum[r] - sum[l-1]) / (r - l + 1); for(ll i = max(0ll,med - 10); i <= min(med+10,lim); i++) if(calc(l,r,i) <= cap) return true; return false; } int besthub(int R, int L, int X[], ll B) { n = R, cap = B, lim = L; sum[0] = 0; for(int i = 0; i < R; i++) arr[i] = X[i]; for(int i = 1; i <= R; i++) sum[i] = sum[i-1] + X[i-1]; int r = 1, ans = 0; for(int l = 1; l <= n; l++) { while(r + 1 <= n && ok(l,r+1)) ++r; if(ok(l,r)) ans = max(ans, r - l + 1); } return ans; }
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