Submission

Score: 100

User: dddrrrr

Problemset: ติดตั้งหลอดไฟ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-16 20:35:01

#include <bits/stdc++.h>
using namespace std;
int main(){
	cin.tie(0)->sync_with_stdio(0);
	cout.tie(0)->sync_with_stdio(0);
	
	int n ;cin >> n;
	vector <int> vec(n);
	for(auto &i : vec)cin >> i;
	
	sort(vec.begin() ,vec.end());
	
	int sum = vec[0]*2;
	for(int i=1 ;i<n ;i++){
		vec[i] = vec[i] + vec[i-1];
		sum += vec[i]*2;	
		//cout << vec[i] << ' ';
	}
	
	cout << sum;
	
	
	
	
	return 0; 
}