Submission

Score: 100

User: lumppengae

Problemset: ติดตั้งหลอดไฟ

Language: cpp

Time: 0.004 second

Submitted On: 2026-09-30 15:10:32

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#include <iostream>
#include <algorithm>
using namespace std;
int main()
{
    int k;
    cin>>k;
    int j[k];
    for(int i=0;i<k;i++){
        cin>>j[i];
    }
    sort(j,j+k);
    int r=0;
    for(int i=0;i<=k;i++){
       for(int o=0;o<i;o++){
           r+=2*j[o];
       }
    }
    cout<<r;
}