2022 · Day 2

Rock Paper Scissors

★★ Solved 2022-12-09 Puzzle on adventofcode.com

Answers

Part one: 13268
Part two: 15508

Part one — working out

rounds: 2500
won: 672
lost: 746
drawn: 1082

Part two — working out

rounds: 2500
won: 1328
lost: 338
drawn: 834

Modelled the shapes as a PHP enum with beats() and losesTo(), which made part two fall out almost for free --- once you have the outcome you want, you ask the opponent's shape what loses to it.

Worth noting: X/Y/Z mean completely different things between the two parts, which is why there is no shared parse step.