2024 Day 1: Historian Hysteria (C# Solution) #24
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As always with implementing Advent of Code solutions in .Net, LINQ has your back. Got to use the Zip function right out of the gate this week.
I did consider only calculating the counts of any particular group on part 2 if the number was actually found in part 1, but it's probably faster to simply enumerate the input list once and construct the groups rather than repeatedly scanning (I doubt the input space is full of that many dead location ids).