Submission #723563

#	Time	Username	Problem	Language	Result	Execution time	Memory
723563		Erkinoff_Mohammed	Hacker (BOI15_hac)	C++14	40 / 100	1089 ms	852 KiB

hac

#include "bits/stdc++.h"
using namespace std;
#define INF 2000000000
#define INFLL 3000000000000000000LL
#define ll long long





int main() {
    cin.tie(0)->sync_with_stdio(0);
    int n;
    cin>>n;
    ll arr[n];
    ll sum=0;
    for(int i=0;i<n;i++){
        cin>>arr[i];
        sum+=arr[i];
    }
    ll mx=0;
    for(int i=0;i<n;i++){
        ll sum2=0;
        ll mn=INF;
        for(int j=i+1;j<i+n/2+1;j++){
            sum2+=arr[j%n];
        }
        for(int j=i+1;j<i+n/2+1+(n%2);j++){
            //cout<<sum2<<"\n";
            mn=min(mn,sum-sum2);
            sum2-=arr[(j)%n];
            sum2+=arr[(j+n/2)%n];
        }
        //cout<<"\n";
        mx=max(mx,mn);
    }
    cout<<mx;
}

• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 40