Day 9: Rope Bridge [AOC2022 Python]
Today's challenge involves moving a knot around, and having another knot drag behind it. The challenge is to track all the spaces the tail goes. In part two, there are 10 knots, each dragging behind the previous one, complicating the movement.
Code 2022 AOC: https://gitlab.com/0xdf/aoc2022
Challenge Link: https://adventofcode.com/2022/day/9
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#adventofcode #python
[00:00] Introduction
[00:11] Part 1 description
[01:58] Reviewing puzzle input
[02:20] Setting up loop over input and variables to track positions
[02:58] Moving head
[05:32] Moving tail
[08:10] Tracking visited spots, solving part 1
[09:09] Part 2 desription, strategy
[10:32] Changing part 1 solution to a list of two knots
[14:26] Troubleshooting errors in code
[17:25] Me trying to decide what to do next
[18:08] Going to move working code into a function
[19:28] Getting solution for 2 and 10 knots with function
[20:15] Summary
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