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@Fhernd
Created February 25, 2018 19:54
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Generar números de Dudeney en C# con LINQ.
void Main()
{
Enumerable.Range(0, 1000)
.Where(e => Math.Pow(e.Digitos().Sum(), 3) == e)
.Dump("Números de Dudeney entre 0 y 1000");
}
public static class ExtractorDigitos
{
// Método de extensión para extraer los digitos de un número>
public static IEnumerable<int> Digitos(this int numero)
{
List<char> caracteres = new List<char>() { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
List<int> digitos = new List<int>();
foreach (char caracter in numero.ToString())
{
digitos.Add(caracteres.IndexOf(caracter));
}
return digitos.AsEnumerable();
}
}
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