private void SolvePart1()
{
var knotHasher = new Day10Solver();
var bitCount = Enumerable.Range(0, 128)
.Select(i => knotHasher.KnotHash($"{_input}-{i}"))
.Select(BitCountFromHex)
.Sum();
Output.Answer(bitCount);
}
internal void SolvePart2()
{
var knotHasher = new Day10Solver();
var bitField = Enumerable.Range(0, 128)
.Select(i => knotHasher.KnotHash($"{_input}-{i}"))
.Select(BitArrayFromHex)
.ToArray();
var groupCount = 0;
for (int i = 0; i < bitField.Length; i++)
{
for (var j = 0; j < bitField[0].Length; j++)
{
if (bitField[i][j])
{
groupCount++;
ZeroOutGroup(bitField, i, j);
}
}
}
Output.Answer(groupCount);
}