Fibonacci sequence: Difference between revisions

</syntaxhighlight>

=== Iterative ===

<syntaxhighlight lang="csharp">

using System; using System.Text; // Fibrus.cs Russia

namespace Fibrus { class Program { static void Main()

{ long fi1=1; long fi2=1; long fi3=1; int da; int i; int d;

for (da=1; da<79; da++)

{ d = 20-Convert.ToInt32((Convert.ToString(fi3)).Length);

for (i=1; i<d; i++) Console.Write(".");

Console.Write(fi3); Console.Write(" "); Console.WriteLine(da);

fi3 = fi2 + fi1;

fi1 = fi2;

fi2 = fi3;

}}}}