func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     char a[505][505];     int i, n, j, c = 0;     cin >> n;     for (i = 0; i < n; i++) {       for (j = 0; j < n; j++) {         cin >> a[i][j];       }     }     for (i = 0; i < n; i++) {       for (j = 0; j < n; j++) {         if (a[i][j] ==  X ) {           int m = i - 1;           int n = i + 1;           int o = j - 1;           int p = j + 1;           if (a[m][o] ==  X  && a[m][p] ==  X  && a[n][o] ==  X  &&               a[n][p] ==  X ) {             c++;           }         }       }     }     cout << c << endl;     return 0;   }   