func_code_string: #include <bits/stdc++.h>   using namespace std;   int x[] = {-1, -1, 1, 1};   int y[] = {-1, 1, -1, 1};   int main() {     int i, j, k, l, m = 0, n, cnt = 0;     cin >> n;     char a[n + 10][n + 10];     for (i = 0; i < n; i++)       for (j = 0; j < n; j++) cin >> a[i][j];     for (i = 1; i < n - 1; i++)       for (j = 1; j < n - 1; j++) {         if (a[i][j] ==  X ) {           m = 0;           for (k = 0; k < 4; k++) {             if (a[i + x[k]][j + y[k]] ==  X ) m++;           }           if (m == 4) cnt++;         }       }     cout << cnt << endl;   }   