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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		 Scanner ile = new Scanner(System.in);
  13.         int n = ile.nextInt();
  14.  
  15.  
  16.         for (int i=0;i<n;i++)
  17.         {
  18.             int wynik=0,roznica=0;
  19.  
  20.             long a0=0,a1=0, a2=0,a3=0;
  21.             int a = ile.nextInt();
  22.             int b = ile.nextInt();
  23.  
  24.  
  25.            if ((a==0) && (b==0))
  26.               System.out.println(1);
  27.  
  28.                 else
  29.         {
  30.  
  31.                 a0 = a % 10;
  32.                 a1 = a * a % 10;
  33.                 a2 = a * a * a % 10;
  34.                 a3 = a * a * a * a % 10;
  35.                 wynik = b / 4;
  36.                 roznica = b - wynik * 4;
  37.  
  38.                 if (roznica == 0)
  39.                     System.out.println(a3);
  40.  
  41.                 if (roznica == 1)
  42.                     System.out.println(a0);
  43.  
  44.                 if (roznica == 2)
  45.                     System.out.println(a1);
  46.  
  47.                 if (roznica == 3)
  48.                     System.out.println(a2);
  49.  
  50.             }
  51.         }
  52. 	}
  53. }
Runtime error #stdin #stdout #stderr 0.06s 711680KB
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stdin
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Standard input is empty
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:862)
	at java.util.Scanner.next(Scanner.java:1485)
	at java.util.Scanner.nextInt(Scanner.java:2117)
	at java.util.Scanner.nextInt(Scanner.java:2076)
	at Ideone.main(Main.java:13)
https://ideone.com/mgPPmB
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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