문제 : https://www.acmicpc.net/problem/11399
분류 : Greedy Algorithm(그리디 알고리즘)
input arr
sort arr
sum += arr[i] and (all before arr[i])
#include <iostream>
#include <algorithm>
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int N, temp, sum = 0;
cin >> N;
int p[N];
for(int i = 0 ; i < N; i++) {
cin >> p[i];
}
sort(p, p+N);
for(int i = 0 ; i < N; i++) {
for(int j = 0; j <= i; j++) {
sum += p[j];
}
}
cout << sum;
return 0;
}