func_code_string: #include <bits/stdc++.h>   const int ms = 200200;   const int eps =  z  -  a  + 1;   void print(int x) {     for (int i = 0; i < eps; i++) {       std::cout << ((x & (1 << i)) ? 1 : 0);     }     std::cout <<   n ;   }   char t[200200];   std::string str[200200];   int main() {     int n;     std::cin >> n;     int isnt = 0;     int know = (1 << eps) - 1;     int ans = 0;     for (int i = 0; i < n; i++) {       std::cin >> t[i] >> str[i];     }     for (int i = 0; i < n; i++) {       int tot = (~isnt & know);       bool hmm = tot - (tot & -tot) == 0;       int mask = 0;       for (auto a : str[i]) {         mask |= 1 << (a -  a );       }       if (t[i] ==  ! ) {         if (hmm) {           ans++;         }         know &= mask;       } else if (t[i] ==  . ) {         isnt |= mask;       } else {         if (hmm && (1 << (str[i][0] -  a )) != tot) {           ans++;         }         if (!hmm && str[i][0] != str[n - 1][0]) {           isnt |= 1 << (str[i][0] -  a );         }       }     }     std::cout << ans <<   n ;   }   