public void Problem43()
{
var list = this.GetPerms(0, 10).Select(x => new { Orig = x, Split = this.Split(x, 3) });
var hmm = list.
Select(x => new
{
x.Orig,
Split = x.Split.Item2.
Aggregate(x.Split.Item1.ToEnumerable(), (y, i) => y.Concat(y.Last().Skip(1).Concat(i))).Skip(1)
}
);
var ooo = hmm.Select(x => new { x.Orig, Nums = x.Split.Select(MathsHelper.ConvertToDecimal) });
var primes = MathsHelper.GetPrimesUpTo(17).ToList();
var interesting = ooo.Where(x => x.Nums.Zip(primes, (a, b) => a % b).All(y => y == 0)).ToList();
var thingy = interesting.Select(x => x.Orig.Reverse().ToList()).ToList();
var hello = BigNumberHelper.AddListRepresentingNumbers(thingy);
}
public long Problem10()
{
Func <long, int, long> func = (l, i) => l + i;
return(MathsHelper.GetPrimesUpTo(2000000).Aggregate(0, func));
}
public int Problem41()
{
var primes = MathsHelper.GetPrimesUpTo(987654321);
return(primes.Last(this.IsPandigital));
}