public override object Run(RunModes runMode, object input, bool Logging)
{
int replacePrimeFamilyCount = (int)input;
Primes.InitPrimes();
Primes.TrimPrimes(9, 1000000);
var primeList = Primes.AllPrimes.OrderBy(p => p);
int primeInitLength = 0;
foreach (var start in primeList)
{
var stringStart = start.ToString();
var stringStartLength = stringStart.Length;
if (stringStartLength > primeInitLength)
{
Primes.InitPrimes((long)Math.Pow(10, stringStartLength));
Primes.TrimPrimes((long)(Math.Pow(10, stringStartLength - 1) - 1), (long)Math.Pow(10, stringStartLength));
primeInitLength = stringStartLength;
}
for (int indecesToReplace = 1; indecesToReplace < stringStartLength; indecesToReplace++)
{
var indeces = Combinations.ChooseStringIndeces(indecesToReplace, stringStartLength);
foreach (var index in indeces)
{
var permutations = Permutations.GenerateReplacements(stringStart, index);
if (permutations.Count() >= replacePrimeFamilyCount && permutations.Count(Primes.IsPrime) >= replacePrimeFamilyCount)
{
return(permutations.Min());
}
}
}
}
return(0);
}
