Submission #723674

#	Time	Username	Problem	Language	Result	Execution time	Memory
723674		rshohruh	Hacker (BOI15_hac)	C++14	0 / 100	1 ms	212 KiB

hac

#include <bits/stdc++.h>
using namespace std;
int main(){
    #ifdef __local__
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif
    int n;
    cin >> n;
    vector<int> a(n+1), p(n+1);
    for(int i = 1; i <= n; ++i){
        cin >> a[i];
        p[i] = p[i-1] + a[i];
    }
    int x = upper_bound(p.begin(), p.end(), p.back()/2) - p.begin();
    cout << a[x] + min(p[n]-p[x], p[x-1]);
}

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