func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int test_time, x = 0;     cin >> test_time;     for (int i = 0; i < test_time; ++i) {       string temp;       cin >> temp;       for (int j = 0; j < temp.length(); ++j) {         if (temp[j] ==  - ) {           x--;           break;         } else if (temp[j] ==  + ) {           x++;           break;         }       }     }     cout << x;     return 0;   }   