View Code of Problem 78

    # include <stdio.h>
    # include <string.h>
    int main(void)
    {
    	char a[100] , b[100] , c[100] , temp[100];
    	
    	gets(a);//从键盘读取字符串 
    	gets(b);
    	gets(c);
    	
    	if(strcmp(a,b)>0)//a比b大 
    	{
    		strcpy(temp,a);//交换ab 
    		strcpy(a,b);
    		strcpy(b,temp);
    	}
    	if(strcmp(a,c)>0)//a比c大 
    	{
    		strcpy(temp,a);//交换ac 
    		strcpy(a,c);
    		strcpy(c,temp);
    	}
    	if(strcmp(b,c)>0)//b比c大 
    	{
    		strcpy(temp,b);//交换bc 
    		strcpy(b,c);
    		strcpy(c,temp);
    	}
    	
    	//printf("\n");
    	puts(a);
    	puts(b);
    	puts(c);
    	return 0;
    }