Day 5 (Advent of Code 2020)

Time for another day of Advent of Code 2020. For Day 5, we're going to have to do... Let me guess: more parsing? Correct! So there's an airline that uses binary space partitioning when referring to seats - there's 128 rows and 8 columns. The first 7 characters are either F (Front, for the lower half) and B (back, for the upper half), and the last 3 are L (Left, for the lower half) or R (Right, for the upper half)....

Submit