编辑代码

#include <stdio.h>
int main () 
{
 int a=5,b,c,d,e,f;
 b=a+2;
 c=b-a;
 d=a*c;
 e=a/d;
 f=a%d;
 printf("a=%d,b=%d,c=%d\n",a,b,c);
 printf("e=%d,f=%d\n",e,f);
	return 0;
}