#include <stdio.h>  
   int main()  
{  
    int a,b,c,t;  
    printf("请输入三个数：");  
    scanf("%d%d%d",&a,&b,&c);  
    if(a<b)  
    {  
        t = a;  
        a = b;  
        b = t;  
    }  
    if(a<c)  
    {  
        t = a;  
        a = c;  
        c = t;  
    }  
    if(b<c)  
    {  
        t = b;  
        b = c;  
        c = t;  
    }  
    printf("从大到小的顺序是：%d  %d  %d\n",a,b,c);  
    return 0;  
}