20分，仅AC1、3，似乎是变量储存原因

#include<iostream>
#include<string>
using namespace std;
int a,b,c;
void huan(int &x,int &y){
    int z;
    if(x<y){
        z=y;
        y=x;
        x=z;
    }
}
void cou(string s,int b){
    if(s[b-1]=='A'){
        cout<<c<<" ";
    }else if(s[b-1]=='B'){
        cout<<b<<" ";
    }else if(s[b-1]=='C'){
        cout<<a<<" ";
    }
}
int main(){
    cin>>a>>b>>c;
    huan(a,b);
    huan(b,c);
    huan(a,b);
    string s;
    cin>>s;
    cou(s,1);
    cou(s,2);
    cou(s,3);
}

9 12 22
CBA

22 12 9

22 2 9