求两个正整数x和y的最大公约数
#include <math.h>
#include <stdio.h>
int main( )
{ int x,y,t,i;
scanf("%d,%d",&x,&y);
if(x > y) {t = x; x = y; y = t;}
for( _______________ )
{ if( x%i==0 && y%i==0 )
break;
}
printf("Maximal Common Divisor is : %d\n",i);
return 0;
}