像這樣
#include<iostream>
using namespace std;
int main() {
int n;
cin>>n;
int a[7],b[7];
int wc=0;
for(int i=1; i<=n; i++) {
wc=0;
for(int j=0;j<=6;j++) cin>>a[j];
for(int k=0;k<=6;k++) cin>>b[k];
if(a[1]==a[3] || a[1]!=a[5] || b[1]==b[3] || b[1]!=b[5]) {cout<<"A"; wc++;}
if(a[6]==0 || b[6]==1) {cout<<"B"; wc++;}
if(a[1]==b[1] || a[3]==b[3] ||a[5]==b[5]) {cout<<"C"; wc++;}
if(wc==0) cout<<"None";
cout<<endl;
}
}