指针变量作为函数参数实现对输入的两个整数按大小顺序输出

#include<stdio.h>
void swap(int *p1,int *p2);
int main()
{
int a,b;
int *pointer_1,*pointer_2;
printf("please enter a and b:");
scanf("%d,%d",&a,&b);
pointer_1=&a;
pointer_2=&b;
if(a<b)
swap(pointer_1,pointer_2);
printf("Output:\nmax=%d,min=%d\n",a,b);
return 0;
}
void swap(int *p1,int *p2)
{
int temp;
temp=*p1;
*p1=*p2;
*p2=temp;
}