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  1. using System;
  2.  
  3. namespace Text {
  4. public class Test
  5. {
  6. 	public static void Main()
  7. 	{
  8.  
  9. 		Console.WriteLine("Площадь круга (СМ) ...");
  10.  
  11. 		double r;
  12.  
  13. 		r = Convert.ToDouble(Console.ReadLine());
  14.  
  15. 		double s = 3.1415926 * r * r;
  16.  
  17. 		Console.WriteLine("\t{0}", s);
  18.  
  19. 	}
  20. }
  21. }
Success #stdin #stdout 0.06s 30236KB
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stdin
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97.00001
stdout
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Площадь круга (СМ) ...
	29559.25086808996
https://ideone.com/eT5GNJ
language:
C# (NET 6.0)
created:
2 days ago
visibility:
public

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