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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5.  
  6. class Main {
  7. 	public static void main(String[] args) {
  8. 		Scanner in = new Scanner(System.in);
  9. 		PrintWriter out = new PrintWriter(System.out);
  10. 		float x = in.nextFloat();
  11. 		float y = in.nextFloat();
  12. 		float a=x*x+y*y;
  13. 		if((y<0)||(a>1)||((x>0)&&(a<0.3))){
  14. 			System.out.println(Math.sqrt(Math.abs(x-1)));
  15. 		}
  16. 		else{
  17. 			System.out.println(x*x-1);
  18. 		}
  19. 	}
  20. }
Success #stdin #stdout 0.09s 31200KB
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https://ideone.com/Xh3WmD
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
secret

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