算法训练 新生舞会

class student {

    String name;
    String sno;
    String sex;
    public student(String name,String sno,String sex){
        this.name=name;
        this.sno=sno;
        this.sex=sex;
        
    }

}

import java.util.Scanner;
public class Main {
    static student stu[];

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner sc=new Scanner(System.in);
        while(sc.hasNext()){
            int n=sc.nextInt();
            stu=new student[n];
            for(int i=0;i<n;i++){
                String name=sc.next();
                String sno=sc.next();
                String sex=sc.next();
                stu[i]=new student(name,sno,sex);
            }
            int t=sc.nextInt();
            while(t-->0){
                String tmp=sc.next();
                String tmp2=sc.next();
                String Sex1="";
                String Sex2="";
                for(int i=0;i<n;i++){
                    if(stu[i].name.equals(tmp)||stu[i].sno.equals(tmp))
                    {
                        Sex1=stu[i].sex;
                    }
                    if(stu[i].name.equals(tmp2)||stu[i].sno.equals(tmp2))
                    {
                        Sex2=stu[i].sex;
                    }
                    
                }
                if(!Sex1.equals(Sex2))
                    System.out.println("Y");
                else
                    System.out.println("N");
            }
        }
        sc.close();

    }

}