Advent of code 2020 using Golang (by CodingNagger)

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  • [2020, Day 22, Part 2] Is there a way to speed up the state checking?
    2 projects | | 22 Dec 2020
    Personally, I had a map with string keys and boolean values unique to each game. Upon starting a new round, I would compute the state under string form, something like "1,2,3|8,9,7" where 1,2,3 are the cards for player 1 and 8,9,7 the cards from player 2. If the map contains that key I end the game with a player 1 win if not I add a new entry. There you get a complexity of O(1) to lookup values. My code is there:


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