제출 #761574

#제출 시각아이디문제언어결과실행 시간메모리
761574gggkik도넛 (JOI14_ho_t3)C++14
20 / 100
2045 ms400 KiB
#include <bits/stdc++.h>
using namespace std;
const int MXN = 1e5+5;
#define ll long long
ll A[MXN], P[MXN], n;
ll sum(int i,int j){return (i<=j?P[j]-P[i-1]:0);}
int main() {
    cin.tie(0)->sync_with_stdio(0);
    cin >> n;
    ll ans = 0;
    for(int i = 1;i<=n;i++){
        cin >> A[i]; P[i] = P[i-1]+A[i];
    }
    for(int i = 1;i<=n;i++){
        for(int j = i;j<=n;j++){ // [i,j] [j+1,k] [k+1,n]+[1,i-1]
            for(int k = j+1;k<=n;k++){
                ans = max(ans,min({sum(i,j),sum(j+1,k),sum(k+1,n)+sum(1,i-1)}));
            }
        }
    }
    cout << ans;
}
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