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by mkeeter 2034 days ago
Advent of Code is a huge amount of fun!

One of my favorite problems from last year involved programming a robot to traverse an obstacle course (https://adventofcode.com/2019/day/21).

Interestingly, the space of potential programs was small enough (105 bits) that you could smash an SMT solver into it and solve for a correct, minimal program, given the shape of your obstacle course: https://www.mattkeeter.com/projects/synthesis/