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Submission #715559

# Submission time Handle Problem Language Result Execution time Memory
715559 2023-03-27T08:17:01 Z cbup Rice Hub (IOI11_ricehub) C++14
0 / 100
 519 ms 1108 KB 
#include<bits/stdc++.h>
using namespace std;

long long besthub(int n,int l,int x[],long long b){
    long long cost,ans=0;
    int mid;
    vector<long long> prefixSum(l,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=1;st<=n;st++){
        for(int en=st;en<=n;en++){
            mid = (st+en)/2;
            cost = (mid-st)*x[mid]-(prefixSum[mid-1]-prefixSum[st-1]) + (prefixSum[en]-prefixSum[mid])-(en-mid)*x[mid];

            if(cost <= b)ans = max(ans,en-st+1LL);
            //cout<<st<<" "<<en<<" "<<cost<<endl;
        }
    }
    return ans;


}

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 519 ms 1108 KB Output is correct
2 Incorrect 501 ms 1108 KB Output isn't correct
3 Halted 0 ms 0 KB -