private static void Part2(string[] instructions)
{
Dictionary <long, long> memorySpace = new();
MaskEnum[] mask = new MaskEnum[Size];
foreach (var line in instructions)
{
if (line.StartsWith("mask"))
{
mask = ParseMask(line);
}
else if (line.StartsWith("mem"))
{
(var pos, var value) = ParseMemoryLine(line);
SetMemoryAddresses(pos, mask, memorySpace, value);
}
else
{
throw new Exception($"Operation not supported: {line}");
}
}
var sum = memorySpace.Sum(kv => kv.Value);
Console.WriteLine($"Sum:{sum}");
}
private static void Part1(string[] instructions)
{
Dictionary <long, long> memorySpace = new();
MaskEnum[] mask = new MaskEnum[Size];
foreach (var line in instructions)
{
if (line.StartsWith("mask"))
{
mask = ParseMask(line);
}
else if (line.StartsWith("mem"))
{
(var pos, var value) = ParseMemoryLine(line);
var valueBits = GetBitArray(value);
for (var p = 0; p < Size; p++)
{
valueBits[p] = mask[Size - p - 1] switch
{
MaskEnum.Zero => false,
MaskEnum.One => true,
MaskEnum.X => valueBits[p],
_ => throw new Exception()
};
}
var v = GetLongFromBitArray(valueBits);
memorySpace[pos] = v;
}
else
{
throw new Exception($"Operation not supported: {line}");
}
}
var sum = memorySpace.Sum(kv => kv.Value);
Console.WriteLine($"Sum:{sum}");
}
