【題解】AtCoder ABC 171B – Mix Juice

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

int n, k, c[1005], ans;

int main() {
    cin >> n >> k;
    for (int i = 0; i < n; i++){
        cin >> c[i];
    }
    sort(c, c+n);
    for (int i = 0; i < k; i++){
        ans += c[i];
    }
    cout << ans << "\n";
}