fork download
copy 
  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Main
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9. 		Scanner scan = new Scanner(System.in);
  10. 		long s = scan.nextLong();
  11. 		double k = Math.floor(Math.sqrt(2 * s + 1));
  12. 		int ans = (int) k;
  13. 		System.out.println (ans);
  14. 	}
  15. }
Success #stdin #stdout 0.07s 2184192KB
comments (?)
stdin
copy 
2000000000
stdout
copy 
63245
https://ideone.com/KoXE4p
51
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!