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  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. 		int s, a;
  10. 		double h, dk;
  11. 		Scanner in = new Scanner(System.in);
  12. 		s = in.nextInt();
  13. 		a = in.nextInt();
  14. 		dk = Math.sqrt(a*a + 8*s);
  15. 		h = (-a + dk) / 2;
  16. 		System.out.printf("%.2f",h);
  17. 	}
  18. }
Success #stdin #stdout 0.07s 2184192KB
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20 7
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3.73
https://ideone.com/GaoPFO
e-olymp 932(JAVA)
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
secret

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