C 练习实例62

#include "stdio.h"
#include "graphics.h"
int main()
{
    int i,j,driver=VGA,mode=VGAHI;
    initgraph(&driver,&mode,"");
    setbkcolor(YELLOW);
    for(i=50;i<=230;i+=20)
        for(j=50;j<=230;j++)
            putpixel(i,j,1);
    for(j=50;j<=230;j+=20)
        for(i=50;i<=230;i++)
            putpixel(i,j,1);
}