5-1 (2).c

有关c语言的说课的课件,内容丰富多彩,值得借鉴

#include <stdio.h>
void main ()
       {int  x,y;
         scanf("%d",&x);
         if(x<0)y=-1;
	 else if(x==0) y=0;
	      else y=1;
	 printf("x=%d,y=%d\n",x,y);
  }