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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 s = new Scanner(System.in);
  13.  
  14. 		int n = s.nextInt();
  15.  
  16. 		int c = 0;
  17. 		int x = n;
  18. 		while (x > 0) {
  19. 			c++; x/=10;
  20. 		}
  21.  
  22. 		int r = 0;
  23.  
  24. 		c--;
  25. 		while (n > 0) {
  26. 			int k = n % 10;
  27. 			r += (int) Math.pow(10, c) * k;
  28. 			c--;
  29. 			n /= 10;
  30. 		}
  31.  
  32. 		System.out.println(r);
  33. 	}
  34. }
Success #stdin #stdout 0.16s 321344KB
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https://ideone.com/cRhq1b
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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