解題思路:
注意事項:
參考代碼:
import java.util.Scanner;
public class Test10 {
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner scanner=new Scanner(System.in);
int a=scanner.nextInt();
int b=scanner.nextInt();
if ((a==0&&b==0)||(a==1&&b==1)||(a==2&&b==2)) {
System.out.println("0");
}else if((a==0&&b==2)||(a==1&&b==0)||(a==2&&b==1)){
System.out.println("1");
}else if((b==0&&a==2)||(b==1&&a==0)||(b==2&&a==1)){
System.out.println("-1");
}else {
System.out.println("輸入錯誤");
}
}
}