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Advent of Code 2023

Reflections

  • Day 1: Learned about lookahead assertions in REGEX
    • (?=...) positive lookahead - matches if ... matches next, but doesn't consume any of the string
  • Day 5: Python doesn't do tail recursion optimization...???
  • Day 8: Learned about itertools.cycle but also should've thought to verify if cycle length was constant (reason why LCM works)
  • Day 9: Resist the urge to curve fit everything Jen...
  • Day 10: Learned about Pick's theorem and the Shoelace theorem (also Python supports switch statements now! yay)