Submission

Score: 100

User: AugusEiEi

Problemset: ติดตั้งหลอดไฟ

Language: cpp

Time: 0.003 second

Submitted On: 2026-03-23 10:34:02

#include<bits/stdc++.h>
using namespace std;

int main(){
  ios_base::sync_with_stdio(0); cin.tie(0);
  int n;cin>>n;
  vector<int>num(n);
  for(int i=0;i<n;i++){
    cin>>num[i];
  }
  long long ans=0;
  long long cnt=0;
  sort(num.begin(),num.end());
  for(int i=0;i<n;i++){
    cnt+=num[i];
    ans+=cnt*2;
  }
  cout<<ans;
}