func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       int n, k, l;       cin >> n >> k;       vector<int> barrel;       for (int i = 0; i < n; i++) {         cin >> l;         barrel.push_back(l);       }       sort(barrel.begin(), barrel.end());       long long int resp = 0;       k++;       while (k--) {         resp += barrel.back();         barrel.pop_back();       }       cout << resp << endl;     }     return 0;   }   