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  1. using System;
  2.  
  3. public class Test
  4. {
  5. 	public static void Main()
  6. 	{
  7. 		double root5 = Math.Sqrt(5);
  8. 		double phi = (1 + root5) / 2;
  9.  
  10. 		int input;
  11.         Console.Write("Enter a number : ");
  12.         input = Convert.ToInt32(Console.ReadLine());
  13.  
  14.         Console.Write("Fibonacci numbers to {0}: ", input);
  15.  
  16.         int n=0;
  17.         int  Fn;
  18.         do
  19.         {
  20.         	Fn = (int)((Math.Pow(phi,n) - Math.Pow(-phi, -n)) / (2 * phi - 1 ));
  21.         	Console.Write("{0} ", Fn);
  22.         	++n;
  23.         } while(Fn < input);
  24. 	}
  25. }
  26.  
Success #stdin #stdout 0s 29664KB
comments (?)
stdin 
21
stdout 
Enter a number : Fibonacci numbers to 21: 0 1 1 2 3 5 8 13 21
https://ideone.com/pFIbgy
language:
C# (gmcs 5.20.1)
created:
7 years ago
visibility:
public

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