func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     int n;     cin >> n;     string s;     cin >> s;     int x = 0, y = 0, pos = 0, coin = 0;     if (s[0] ==  R )       x++;     else       y++;     if (y > x) pos = 2;     if (x > y) pos = 1;     for (int i = 1; i < s.length(); i++) {       if (s[i] ==  R )         x++;       else         y++;       int npos = 0;       if (y > x) npos = 2;       if (x > y) npos = 1;       if (npos != 0 && npos != pos) {         coin++;         pos = npos;       }     }     cout << coin;   }   