ASC11排序

#include<stdio.h>int main(){    int n;    scanf("%d",&n);    while(n--)    {        char a,b,c;        char d;        getchar();        while(scanf("%c%c%c",&a,&b,&c)!=EOF)        {            getchar();            if(a>b)            {                d=a;                a=b;                b=d;            }            if(a>c)            {                d=a;                a=c;                c=d;            }            if(b>c)            {                d=b;                b=c;                c=d;            }            printf("%c %c %c\n",a,b,c);        }    }    return 0;}