Submission

Score: 100

User: mantaggez

Problemset: ติดตั้งหลอดไฟ

Language: cpp

Time: 0.002 second

Submitted On: 2026-03-23 20:24:20

#include <bits/stdc++.h>

using namespace std;

const int nx = 1e3+5;

int n, ans;
int h[nx], qs[nx];

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin >> n;
    for(int i=1;i<=n;i++) cin >> h[i];
    sort(h + 1, h + n + 1);
    for(int i=1;i<=n;i++) qs[i] = qs[i - 1] + h[i];
    for(int i=1;i<=n;i++) ans += qs[i] * 2;
    cout << ans << '\n';
    return 0;
}