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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.Scanner;
  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. 		int n, m;
  13. 		double k;
  14. 		Scanner scan = new Scanner(System.in);
  15.     	n = scan.nextInt();
  16.     	m = (int)(Math.log(n)/Math.log(2));
  17. 		k = (double)(Math.log(n)/Math.log(2));
  18.     	while (m != k){
  19.         	n = (int)(n - (Math.pow(2,m)));
  20.         	m = (int)(Math.log(n)/Math.log(2));
  21.         	k = (double)(Math.log(n)/Math.log(2));
  22.     	}
  23.     System.out.print(m + 1);
  24. 	}
  25. }
Success #stdin #stdout 0.06s 2184192KB
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https://ideone.com/NtrqNN
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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