杭电ACM 2000

C语言代码：

[code]

#include

int main()

{
     

	char a,b,c,d,t;

	while(scanf("%c%c%c",&a,&b,&c) != EOF)

	{
     

		if(a > b)

		{
     

			t = a;

			a = b;

			b = t;

		}

		if(b > c)

		{
     

			t = b;

			b = c;

			c = t;

		}

		if(a > b)

		{
     

			t = a;

			a = b;

			b = t;

		}

		scanf("%c",&d);

		printf("%c %c %cn",a,b,c);

		

	}

	return 0;

}

[/code]