Submission

Score: 100

User: nemuchannnUwU

Problemset: ติดตั้งหลอดไฟ

Language: cpp

Time: 0.004 second

Submitted On: 2025-10-17 09:58:24

#include<bits/stdc++.h>
#define ll long long
using namespace std;
int main(){
	cin.tie(nullptr)->sync_with_stdio(0);
	cout.tie(nullptr)->sync_with_stdio(0);
	ll q; cin >> q;
	ll sum=0;
	ll ans=0;
	vector<ll> v(q);
	for (auto &x : v) cin >> x;
	sort(v.begin(),v.end());
	for(ll i=0;i<q;i++){
		sum+=v[i];
		ans+=sum*2;
	}
		
	cout << ans;
}