[백준 11399] ATM.cpp

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL); cout.tie(NULL);

	int n;
	vector <int> v;
	cin >> n;
	for (int i = 0; i < n; ++i) {
		int tmp;
		cin >> tmp;
		v.push_back(tmp);
	}
	sort(v.begin(), v.end());

	int sum = 0;
	int tmp = 0;
	for (int i = 0; i < n; ++i) {
		tmp = tmp + v[i];
		sum += tmp;
	}
	cout << sum << '\n';
	return 0;
}