func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, pay = 0, kd;     int U = 0, R = 0;     char c;     cin >> n;     cin >> c;     if (c ==  U ) {       kd = 1;       U++;     } else {       kd = 0;       R++;     }     for (int i = 1; i < n; i++) {       cin >> c;       if (c ==  U )         U++;       else if (c ==  R )         R++;       if (kd == 0 && R < U) {         pay++;         kd = 1;       } else if (kd && R > U) {         pay++;         kd = 0;       }     }     cout << pay;     return 0;   }   