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