func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios::sync_with_stdio(false);     ;     long long int T, N, X;     cin >> T;     while (T--) {       cin >> N >> X;       vector<bool> Pl(100100);       for (long long int i = 0, P; i < N; i++) {         cin >> P;         Pl[P - 1] = true;       }       for (long long int i = 0; i < 100100; i++) {         if (!Pl[i] && X > 0) {           Pl[i] = true;           X--;         }       }       long long int Counter = 0;       for (long long int i = 0; i < 100100; i++) {         if (Pl[i])           Counter++;         else           break;       }       cout << Counter << endl;     }   }   