Submission

Status:

[PP][P][P][P][P]

Score: 100

User: njoop

Problemset: ติดตั้งหลอดไฟ

Language: cpp

Time: 0.002 second

Submitted On: 2024-11-26 18:25:07

#include <bits/stdc++.h>

using namespace std;

vector<int> arr;
int ans, pref, n;

int main() {
    cin >> n;
    for(int i=0; i<n; i++) {
        int in;
        cin >> in;
        arr.push_back(in);
    }
    sort(arr.begin(), arr.end());
    for(int i: arr) {
        pref += i;
        ans += pref;
    }
    cout << ans*2;
}