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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 sc = new Scanner(System.in);
  13. 		double T, l, g = 9.81, Pi = 3.14, s;
  14. 		l = sc.nextDouble();
  15. 		s = Math.sqrt(l/g);
  16. 		T = 2 * Pi * s;
  17. 		System.out.println(T);
  18. 	}
  19. }
Success #stdin #stdout 0.06s 711680KB
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1.0982109443487904
https://ideone.com/sNN8CP
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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