Day 13 (Advent of Code 2020)

1 · · Dec. 30, 2020, 1 p.m.
In the Day 13 problem, we're trying to take the bus. Our input looks like this: 939 7,13,x,x,59,x,31,19 The first line indicates the earliest minute we can leave from the bus terminal, and the second line indicates the "identifier" of the buses that are active....