protected override void Solve(out string answer)
{
var list = new List <Representation>();
Parallelization.GetParallelRanges(1, 10_000, 4).ForAll(sequence =>
{
foreach (int number in sequence)
{
foreach (int maxMultiplier in Enumerable.Range(2, 99))
{
var candidate = new Representation(number, maxMultiplier);
if (candidate.IsPandigital())
{
lock (this) list.Add(candidate);
break; //If pandigit is found, multiplying by higher multipliers definitely will fail.
}
}
}
});
var result = list.OrderByDescending(item => item.Pandigits);
var max = result.First();
answer = $"Count = {list.Count}, Largest pandigital: {max}";
}