AoC 2021 Day 18 using Sed [Binary tree math]
Channel: Russ Cox
Date: 30/12/2021

Solving the Advent of Code 2021 Day 18 puzzle, using Lee McMahon's Sed, the non-interactive text editor for Unix.

https://adventofcode.com/2021/day/18
https://swtch.com/sed.pdf