题解 | 牛牛的考试

#include <iostream>
using namespace std;
#include<string>
#include<algorithm>
int main() {
   string s1,s2,s3,s4;
   int T;
   cin>>T;
   while(T--){
    cin>>s1>>s2>>s3>>s4;
    int L1=s1.size();
    int L2=s2.size();
    int L3=s3.size();
    int L4=s4.size();
    int maxL=max({L1,L2,L3,L4});
    int minL=min({L1,L2,L3,L4});
    int maxnum=(L1==maxL)+(L2==maxL)+(L3==maxL)+(L4==maxL);
    int minnum=(L1==minL)+(L2==minL)+(L3==minL)+(L4==minL);
   // cout<<maxnum<<' '<<minnum<<endl;
   if(maxnum==1&&minnum!=1){
       if(maxL==L1){
        cout<<"A"<<endl;
       }
        if(maxL==L2){
        cout<<"B"<<endl;
       }
        if(maxL==L3){
        cout<<"C"<<endl;
       }
        if(maxL==L4){
        cout<<"D"<<endl;
       }
   }
  else if(minnum==1&&maxnum!=1){
       if(minL==L1){
        cout<<"A"<<endl;
       }
        if(minL==L2){
        cout<<"B"<<endl;
       }
        if(minL==L3){
        cout<<"C"<<endl;
       }
        if(minL==L4){
        cout<<"D"<<endl;
       }
   }
   else {
       cout<<"C"<<endl;
   }
   }
}
// 64 位输出请用 printf("%lld")