不知道怎么回事运行不了

Question

 #include<stdio.h>int main(){void swap(int *p1,int *p2); 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("max=%d,min=%d\n",a,b); return 0;}void swap(int *p1,int *p2){int temp; temp=*p1; *p1=*p2; *p2=temp;}

Answer 1

输入有误吗？输入时用逗号隔开，注意是英文逗号。