题解 | 斗兽棋

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNext()) { // 注意 while 处理多个 case
            String a = in.next();
            String b = in.next();
            String[] str={"elephant","tiger","cat","mouse"};
            int len = str.length;
            for(int i=0;i<len;i++){
                if(a.equals(str[i])){
                    if((i+1<len && b.equals(str[i+1]))
                        || (i+1==len && b.equals(str[0]))) {
                        System.out.printf("win");
                    }else if((i-1>=0 && b.equals(str[i-1]))|| 
                        (i==0 && b.equals(str[len-1]))){
                        System.out.printf("lose");
                    }else{
                        System.out.printf("tie");
                    }
                }
                
            }
        }
    }
}