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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. import java.math.*;
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11. 	public static void main (String[] args) throws java.lang.Exception
  12. 	{
  13. 		Scanner x = new Scanner(System.in);
  14. 		double a,b,c ;
  15. 		a = x.nextDouble();
  16. 		b = x.nextDouble();
  17. 		c = x.nextDouble() ;
  18. 		if (a + b >= c && b + c >= a && a + c >= b)
  19. 		{
  20. 			double p = (a + b + c)/2; 	
  21. 			double S = Math.sqrt(p * (p - a) * (p - b) * (p - c));
  22. 			double r = S/p;
  23. 			double R = (a*b*c)/4*S;
  24. 			System.out.format("Радиус вписанной окружности равен = %f\n",r);
  25. 			System.out.format("Радиус описанной окружности равен = %f ",R);
  26. 		}
  27. 		else
  28. 		{
  29. 			System.out.print("Не существует");
  30. 		}
  31.  
  32.  
  33.  
  34.  
  35. 	}
  36. }
Success #stdin #stdout 0.16s 321280KB
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stdin
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3.1 4.1 5.1
stdout
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Радиус вписанной окружности равен = 1.033199
Радиус описанной окружности равен = 102.970967
https://ideone.com/yLiihO
Радиус вписанной
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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