제출 #715566

#제출 시각아이디문제언어결과실행 시간메모리
715566cbup쌀 창고 (IOI11_ricehub)C++14
68 / 100
1088 ms1488 KiB
#include<bits/stdc++.h>
using namespace std;

long long besthub(int n,int l,int x[],long long b){
    long long cost,ans=1;
    int mid;
    vector<long long> prefixSum(n+1,0);

    for(int i=1;i<=n;i++)prefixSum[i] = prefixSum[i-1]+x[i-1];
    //for(int i=1;i<=n;i++)cout<<prefixSum[i]<<" "; cout<<endl;
    for(int st=0;st<n;st++){
        for(int en=st+1;en<n;en++){
            mid = (st+en)/2;
            cost = (mid-st)*x[mid]*1LL-(prefixSum[mid]-prefixSum[st]) + (prefixSum[en+1]-prefixSum[mid+1])-(en-mid)*x[mid]*1LL;

            if(cost <= b)ans = max(ans,en-st+1LL);
            //cout<<st<<" "<<en<<" "<<cost<<endl;
        }
    }
    return ans;
}
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...