#include <stdio.h>
void Swap (int* px,int* py)
{
int tmp = 0;
tmp = *px;
*px = *py;
*py = tmp;
}
int main ()
{
int a = 1;
int b = 2;
int c = 3;
if (a < b)
{
Swap (&a,&b);
}
if (a < c)
{
Swap (&a,&c);
}
if (b < c)
{
Swap (&b,&c);
}
printf ("%d %d %d\n",a,b,c);
return 0;
}
程序运行结果如下: