编辑代码

#include <stdio.h>
int swap(int *p1,int *p2)
{int temp;
temp=*p1;
*p1=*p2;
*p2=temp;
}
int main()
{
int a,b;
int *pointer_1, *pointer_2;
 scanf("%d,%d",&a,&b);
 pointer_1=&a;
 pointer_2=&b;
 if(a<b) swap(pointer_1,pointer_2);
 printf("\n%d,%d\n",a,b);
}