func_code_string: #include <bits/stdc++.h>   int main() {     char a[8][8];     char x, y;     int i, j, b = 0;     for (i = 0; i < 8; i++)       for (j = 0; j < 8; j++) a[i][j] = 1;     scanf( %c%c , &x, &y);     x -=  a ;     y -=  1 ;     a[x][y] = 0;     for (i = 0; i < 8; i++) {       a[x][i] = 0;       a[i][y] = 0;     }     if (x >= 2 && y >= 1) a[x - 2][y - 1] = 0;     if (x >= 1 && y >= 2) a[x - 1][y - 2] = 0;     if (x >= 2 && y <= 6) a[x - 2][y + 1] = 0;     if (x >= 1 && y <= 5) a[x - 1][y + 2] = 0;     if (x <= 5 && y >= 1) a[x + 2][y - 1] = 0;     if (x <= 6 && y >= 2) a[x + 1][y - 2] = 0;     if (x <= 5 && y <= 6) a[x + 2][y + 1] = 0;     if (x <= 6 && y <= 5) a[x + 1][y + 2] = 0;     while (1) {       scanf( %c , &x);       if (x ==   n ) break;     }     scanf( %c%c , &x, &y);     x -=  a ;     y -=  1 ;     a[x][y] = 0;     if (x >= 2 && y >= 1) a[x - 2][y - 1] = 0;     if (x >= 1 && y >= 2) a[x - 1][y - 2] = 0;     if (x >= 2 && y <= 6) a[x - 2][y + 1] = 0;     if (x >= 1 && y <= 5) a[x - 1][y + 2] = 0;     if (x <= 5 && y >= 1) a[x + 2][y - 1] = 0;     if (x <= 6 && y >= 2) a[x + 1][y - 2] = 0;     if (x <= 5 && y <= 6) a[x + 2][y + 1] = 0;     if (x <= 6 && y <= 5) a[x + 1][y + 2] = 0;     for (i = 0; i < 8; i++)       for (j = 0; j < 8; j++) b += a[i][j];     printf( %d , b);     return 0;   }   