Wow, I don't get Day 20, Part 2 at all.
# advent-of-codet
todd.ginsberg
12/21/2019, 12:06 AMWow, I don't get Day 20, Part 2 at all.
todd.ginsberg
12/21/2019, 12:15 AMI've read this description about 10x and I flat out do not understand how I could possibly know what "level" I'm on. I think it has something to do with inner or outer? But I just have no idea.
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Rostyslav
12/21/2019, 2:43 AMEach portal has 2 doors: in inner side of the donut and out. So if you use any inner door level +1, otherwise -1. Levels start at 0 and are positive.
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todd.ginsberg
12/21/2019, 3:15 AMOK cool. I figured that out eventually. Now to figure out how to write that. 😄 Going to have to do it tomorrow.
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