func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     string s;     cin >> s;     int c = 0, f = 0;     for (int i = 0; i < n; i++) {       if (s[i] ==  x )         c++;       else if (s[i] !=  x  && c < 3)         c = 0;       if (c > 2) {         while (1) {           f++;           c--;           if (c < 3) break;         }       }     }     cout << f;   }   