c语言经典的排序函数swap():输入的两个整数按大小顺序输出。
swap(int *p1,int *p2)
{
int temp;
temp=*p1;
*p1=*p2;
*p2=temp;
}
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(" %d,%d ",a,b);
}
{
int temp;
temp=*p1;
*p1=*p2;
*p2=temp;
}
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(" %d,%d ",a,b);
}