제출 #823364

#제출 시각아이디문제언어결과실행 시간메모리
82336412345678쌀 창고 (IOI11_ricehub)C++17
100 / 100
15 ms3320 KiB
#include "ricehub.h" #include <bits/stdc++.h> using namespace std; #define ll long long int besthub(int R, int L, int X[], long long B) { int ans=1; vector<ll> qs(R+1), v(R+1); for (int i=0; i<R; i++) v[i+1]=X[i], qs[i+1]=qs[i]+v[i+1]; for (int i=1; i<=R; i++) { int l=i, r=R; while (l<r) { int m=(l+r+1)/2; int md=(i+m)/2; ll ls=v[md]*(md-i+1)-(qs[md]-qs[i-1]); ll rs=qs[m]-qs[md]-v[md]*(m-md); if (ls+rs<=B) l=m; else r=m-1; } ans=max(ans, l-i+1); } return ans; }
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