제출 #723555

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
723555		Mr_Husanboy	Hacker (BOI15_hac)	C++17	0 / 100	2 ms	212 KiB

hac

#include <bits/stdc++.h>

using namespace std;
using ll = long long;



void solve(){
    int n; cin >> n;
    vector<int> v(n);
    for(int i = 0; i < n; i ++) cin >> v[i];
    ll ans = 0;
    int k = (n + 1) / 2;
    for(int i = 0; i < n; i ++){
        ll a = 0, b = 0;
        for(int j = 0; j < k; j ++){
            a += v[(i + j) % n];
            b += v[((i - j) % n + n) % n];
        }
        ans = max(ans, min(a,b));
    }
    cout << ans;
}

int main(){
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
    int testcases = 1;

    while(testcases --){
        solve();
        if(testcases) cout << '\n';
        #ifdef LOCAL
        else cout << '\n';
        cout << "__________________________" << endl;
        #endif
    }
    return 0;
}

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