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  1. import java.util.Scanner;
  2. class Main {
  3. 	private static Scanner in;
  4.         public static void main(String args[]){
  5.         	 in = new Scanner(System.in);
  6.              int testcases = in.nextInt();
  7.  
  8.  
  9.              for (int i = 0; i < testcases; i++)
  10.              {
  11.  
  12.             	 	long Wl = in.nextLong();
  13.          			long Dl = in.nextLong();
  14.          			long Wr = in.nextLong();
  15.          			long Dr = in.nextLong();
  16.  
  17.  
  18.                      if(recursive(Wl)*Dl == recursive(Wr)*Dr){
  19.                     	 System.out.println("YES");
  20.              		}
  21.              		else{
  22.              			System.out.println("NO");
  23.              		}
  24.  
  25. //                 		if (i != testcases) { System.out.println("");}
  26.  
  27.              }
  28.         }
  29.  
  30.  
  31.         private static long recursive(long weight){
  32.         	in = new Scanner(System.in);
  33.         	if(weight == 0){
  34.         		long Wl = in.nextLong();
  35.         		long Dl = in.nextLong();
  36.         		long Wr = in.nextLong();
  37.         		long Dr = in.nextLong();
  38.         		Wl = recursive(Wl);
  39.         		Wr = recursive(Wr);
  40.  
  41.         		if(Wl*Dl == Wr*Dr){
  42.         			return Wl+Wr;
  43.         		}
  44.         		else{
  45.         			return -1000;
  46.         		}
  47.         	}
  48.  
  49.         	else{
  50.         		return weight;
  51.         	}
  52.         }
  53.  
  54.  
  55. }
Runtime error #stdin #stdout #stderr 0.1s 380608KB
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stdin
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1

0 2 0 4
0 3 0 1
1 1 1 1
2 4 4 2
1 6 3 2
stdout
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Standard output is empty
stderr
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Exception in thread "main" java.util.NoSuchElementException
	at java.util.Scanner.throwFor(Scanner.java:907)
	at java.util.Scanner.next(Scanner.java:1530)
	at java.util.Scanner.nextLong(Scanner.java:2265)
	at java.util.Scanner.nextLong(Scanner.java:2225)
	at Main.recursive(Main.java:34)
	at Main.main(Main.java:18)
https://ideone.com/ITv96S
language:
Java (12.0.1)
created:
9 years ago
visibility:
public

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