func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     string s;     cin >> s;     int x = 0, y = 0, dp = 0, tmp;     int sum = 0;     for (int i = 0; i < s.length(); i++) {       if (s[i] ==  U ) {         y++;         if (x < y) {           if (dp == 2) sum++;           dp = 1;         }       }       if (s[i] ==  R ) {         x++;         if (x > y) {           if (dp == 1) sum++;           dp = 2;         }       }     }     cout << sum << endl;   }   