func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     char s[1007][1007];     for (int i = 1; i <= n; i++) {       for (int j = 1; j <= n; j++) {         cin >> s[i][j];       }     }     if (n < 3) {       cout <<  0 ;     } else {       int res = 0;       for (int i = 1; i <= n; i++) {         for (int j = 1; j <= n; j++) {           if (s[i][j] ==  X  && s[i - 1][j + 1] ==  X  &&               s[i + 1][j - 1] ==  X  && s[i - 1][j - 1] ==  X  &&               s[i + 1][j + 1] ==  X ) {             res++;           }         }       }       cout << res;     }     return 0;   }   