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README.md

Advent of Code 2020

This folder contains solutions to each of the problems in Advent of Code 2020 in both C++ and Python.

Note

The sample puzzles for days 14 and 16 have 2 sample inputs (1 for each part). Edit the file before using it.

Puzzle C++ Solutions Python Solutions Input Sample Input Puzzle page with solutions
Day 1: Report Repair Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 2: Password Philosophy Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 3: Toboggan Trajectory Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 4: Passport Processing Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 5: Binary Boarding Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 6: Custom Customs Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 7: Handy Haversacks Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 8: Handheld Halting Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 9: Encoding Error Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 10: Adapter Array Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 11: Seating System Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 12: Rain Risk Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 13: Shuttle Search Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 14: Docking Data Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 15: Rambunctious Recitation Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 16: Ticket Translation Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 17: Conway Cubes Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 18: Operation Order Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 19: Monster Messages Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 20: Jurassic Jigsaw Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 21: Allergen Assessment Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 22: Crab Combat Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 23: Crab Cups Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 24: Lobby Layout Part 1 Part 2 Part 1 Part 2 Link Link Link
Day 25: Combo Breaker Part 1 Part 1 Link Link Link