int MathMine( int x )
{
int m = 0;
int i;
for( i = x-1; i <= x + 1; i++ )
if ( i < 0 ) continue;
if ( i >31 ) break;
if ( sta[i] == -1 ) m++;
}
return m;
(56)
A.3
B.4
C.5
D.6