杭电 hdu 2000

ASCII码排序

#include<iostream>
#include<cstring>
using namespace std;
int main(){
    char a,b,c,temp;
    while(cin>>a>>b>>c){
        if(a>b){
            temp=a;
            a=b;
            b=temp;
        }
        if(a>c){
            temp=a;
            a=c;
            c=temp;
        }
        if(b>c){
            temp=b;
            b=c;
            c=temp;
        }
        cout<<a<<" "<<b<<" "<<c<<endl;
    }
    return 0;
}