Submission

Score: 100

User: ackub

Problemset: ติดตั้งหลอดไฟ

Language: cpp

Time: 0.004 second

Submitted On: 2026-09-23 17:53:47

#include<iostream>
using namespace std;
int main() {

    int n,a,total=0,now=0;
    cin>>n;
    int ar[n];
    for (int i=0;i<n;i++) {
        cin>>ar[i];
    }
    for (int i=1;i<n;i++) {
        for (int j=0;j<n-i;j++) {
            if (ar[j]>ar[j+1]) {
                a=ar[j];
                ar[j]=ar[j+1];
                ar[j+1]=a;
            }
        }
    }
    for (int i=0;i<n;i++) {
        now+=ar[i];
        total+=now*2;
    }
    cout<<total;

}