func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int x = 0;     int n;     string ch;     cin >> n;     for (int i = 0; i < n; i++) {       cin >> ch;       {         if (ch[1] ==  + ) x++;         if (ch[1] ==  - ) x--;       }     }     cout << x <<   n ;     return 0;   }   