func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long int k;     cin >> k;     string str, s;     cin >> str;     s = str;     for (long long int i = 1; i < k; i++) str = str + s;     map<char, vector<long long int>> pos;     long long int i = 0;     for (auto c : str) {       pos[c].push_back(i);       i++;     }     long long int n;     cin >> n;     char c;     long long int p;     while (n--) {       cin >> p >> c;       str[pos[c][p - 1]] = 0;       pos[c].erase(pos[c].begin() + (p - 1));     }     for (auto c : str)       if (c) cout << c;     return 0;   }   