import java.util.Scanner;
public class test{
public static void main(String [] argv){
Scanner keyin = new Scanner(System.in);
System.out.print("");
int i = keyin.nextInt();
int j = keyin.nextInt();
int k = keyin.nextInt();
//判斷是哪種三角型
if((i+j)>k | (j+k)>i |(i+j)>j){
System.out.println("right triangle");
}
else if(i+j<k | j+k<i | i+k<j){
System.out.println("obtuse triangle");
}
else if(i==j | j==k |i==k){
System.out.println("acute triangle");
}
}
}
為什麼只拿到NA 哪裡出錯了呢