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2023 Day 2 Part 1
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@noahko96
noahko96 committed Dec 21, 2023
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100 changes: 100 additions & 0 deletions noahover/aoc23/input/day2.txt
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Game 1: 9 red, 5 blue, 6 green; 6 red, 13 blue; 2 blue, 7 green, 5 red
Game 2: 6 red, 2 green, 2 blue; 12 green, 11 red, 17 blue; 2 blue, 10 red, 11 green; 13 green, 17 red; 15 blue, 20 red, 3 green; 3 blue, 11 red, 1 green
Game 3: 20 green, 1 blue, 7 red; 20 green, 7 blue; 18 red, 8 green, 3 blue; 7 red, 6 blue, 11 green; 11 red, 6 blue, 16 green
Game 4: 6 blue, 6 green; 2 blue, 5 green, 1 red; 9 blue, 1 red, 1 green; 1 red, 6 green, 8 blue; 4 green, 1 red, 1 blue
Game 5: 5 red, 4 blue, 11 green; 10 green, 3 blue, 18 red; 13 red, 13 green, 2 blue
Game 6: 1 blue, 15 green, 7 red; 2 blue, 4 green, 1 red; 1 blue, 13 green, 11 red; 2 blue, 10 red, 9 green
Game 7: 8 green, 1 blue, 1 red; 2 red, 2 green, 3 blue; 2 red, 1 blue
Game 8: 5 green, 9 blue, 2 red; 7 green, 3 red, 1 blue; 7 blue, 2 red, 1 green; 4 blue, 2 red, 14 green; 1 red, 5 blue, 12 green; 7 green, 9 blue, 3 red
Game 9: 11 red, 6 blue; 2 blue, 8 red, 9 green; 8 green, 13 red, 14 blue; 2 blue, 7 red, 9 green
Game 10: 3 red, 3 blue, 4 green; 4 red, 3 green, 2 blue; 13 red, 4 blue, 3 green; 6 blue, 5 green, 8 red; 10 red, 5 blue, 3 green
Game 11: 8 blue, 2 green, 4 red; 2 red, 13 blue, 2 green; 7 red, 3 green, 13 blue; 8 blue, 4 red; 12 blue, 6 red; 18 blue, 3 red, 1 green
Game 12: 15 red, 2 blue; 3 red, 5 green, 1 blue; 2 blue, 3 green, 6 red; 9 red, 4 green, 4 blue; 3 green
Game 13: 3 red, 3 green, 14 blue; 3 red, 14 blue, 1 green; 3 green, 4 blue; 7 blue, 1 red, 4 green
Game 14: 1 green, 2 red, 4 blue; 3 green, 5 blue, 11 red; 12 red, 2 green; 1 blue, 3 green, 4 red
Game 15: 1 red, 3 green, 4 blue; 2 red, 3 green, 2 blue; 10 green, 3 red, 3 blue; 5 red, 11 green, 3 blue
Game 16: 5 red, 12 blue, 12 green; 8 red, 5 blue; 11 green, 5 blue, 12 red; 4 green, 10 blue, 1 red; 1 blue
Game 17: 18 green, 15 red, 5 blue; 5 blue, 4 green, 14 red; 4 red, 7 blue, 9 green
Game 18: 2 red, 12 blue, 2 green; 15 blue, 4 red; 14 red; 11 red, 5 green, 5 blue
Game 19: 4 red, 2 blue, 4 green; 5 red; 7 green, 1 blue; 1 green, 4 red, 2 blue
Game 20: 5 green, 1 blue; 3 blue, 9 green; 14 blue, 7 green; 7 green, 1 red, 1 blue; 7 green, 2 blue
Game 21: 6 blue, 3 green, 8 red; 9 red, 1 green, 1 blue; 4 green, 7 red; 1 blue, 1 green, 12 red; 4 green, 9 red, 5 blue
Game 22: 1 red, 3 blue, 2 green; 12 green, 5 blue, 1 red; 1 green, 3 blue, 3 red; 1 red, 8 green, 2 blue
Game 23: 2 blue, 9 red, 14 green; 7 blue, 10 red; 7 blue, 7 green, 1 red
Game 24: 19 red, 3 green; 7 blue, 4 green, 12 red; 14 red, 3 green, 1 blue; 3 green, 14 red; 5 green, 7 blue, 18 red
Game 25: 12 red, 4 green, 3 blue; 3 blue, 12 red, 11 green; 3 red, 11 green, 2 blue
Game 26: 11 green, 2 red; 5 blue, 4 red; 1 green, 6 blue, 3 red; 9 red, 7 blue; 1 blue, 6 red, 1 green
Game 27: 10 red, 8 blue, 7 green; 6 green, 7 blue; 4 red, 10 green, 9 blue; 9 red, 2 green, 1 blue; 11 blue, 15 red, 9 green
Game 28: 3 blue, 2 red, 8 green; 3 red, 10 green; 11 green, 1 blue; 5 blue, 6 green, 7 red; 3 blue, 2 green
Game 29: 18 red, 1 blue; 3 red, 4 blue, 7 green; 1 blue, 16 green, 2 red; 3 blue, 6 green, 15 red; 1 red, 1 blue; 17 red, 6 green
Game 30: 10 red, 6 blue, 13 green; 2 green, 10 red, 4 blue; 4 red, 2 green, 2 blue
Game 31: 5 red, 13 green, 5 blue; 5 green, 12 blue, 5 red; 5 red, 3 green, 5 blue; 2 green, 3 red, 14 blue
Game 32: 2 blue, 14 red, 13 green; 11 red, 3 green, 1 blue; 9 red, 2 blue, 2 green; 5 blue, 3 red, 2 green; 4 blue, 8 green, 6 red; 12 red, 4 green, 5 blue
Game 33: 1 green, 15 blue; 1 red, 4 blue; 1 red, 1 green, 5 blue
Game 34: 1 green, 2 blue, 3 red; 11 red, 10 blue; 6 blue, 3 red
Game 35: 2 blue, 3 red, 1 green; 1 green, 9 blue, 8 red; 2 blue, 5 red; 2 green, 2 red, 2 blue; 1 red, 10 blue; 5 red, 9 blue
Game 36: 8 green, 1 red, 2 blue; 7 red, 5 green, 9 blue; 1 red, 10 green, 13 blue; 1 red, 10 green
Game 37: 1 green, 1 red; 2 green, 2 red; 2 green, 6 red; 7 red; 1 blue, 2 red
Game 38: 8 red, 7 green, 11 blue; 6 green, 10 blue, 11 red; 13 blue, 18 green, 7 red; 2 red, 7 blue, 12 green
Game 39: 4 blue, 8 red; 1 blue, 11 red, 2 green; 2 green, 3 blue, 12 red; 6 red, 1 green, 9 blue; 6 red, 1 blue, 1 green
Game 40: 2 blue, 17 red, 2 green; 4 red, 7 green; 4 blue, 1 green, 10 red; 6 green, 2 red; 6 red, 1 blue, 4 green; 5 green, 9 red, 4 blue
Game 41: 1 red, 8 blue; 3 green, 5 red, 3 blue; 8 blue, 1 green; 1 red, 9 blue; 5 red, 3 blue; 1 green, 4 red, 3 blue
Game 42: 7 green, 1 red, 10 blue; 11 blue, 1 green; 1 red, 17 blue, 2 green; 1 red, 4 green; 1 green, 3 blue; 11 blue, 1 red
Game 43: 5 green, 1 red; 5 blue, 3 green, 14 red; 7 green, 2 red, 11 blue; 3 red, 10 green, 4 blue; 5 green, 3 blue, 9 red; 8 green, 3 blue, 2 red
Game 44: 10 blue, 1 red, 2 green; 5 blue, 2 green, 2 red; 2 red, 2 green, 5 blue; 7 blue, 14 red, 1 green; 1 red, 2 green, 5 blue
Game 45: 16 green, 11 blue, 7 red; 6 blue, 8 red, 9 green; 7 green, 8 blue, 10 red; 13 red, 15 green, 8 blue; 3 red, 12 green
Game 46: 7 red, 2 green, 4 blue; 3 green, 7 blue; 2 blue, 5 red, 2 green; 3 green, 8 blue, 2 red
Game 47: 6 blue, 5 red; 5 red, 4 green, 5 blue; 4 green, 8 red; 5 red, 4 blue, 4 green; 5 blue, 5 green, 3 red; 5 blue, 2 green, 3 red
Game 48: 11 blue, 7 green, 2 red; 3 red, 8 green, 1 blue; 3 red
Game 49: 8 blue, 1 green, 3 red; 2 blue, 4 red; 6 red, 1 green; 2 red, 10 blue, 10 green
Game 50: 1 red, 8 green; 1 blue, 2 red, 8 green; 7 red, 1 blue; 7 red, 1 blue, 5 green; 6 green, 3 red
Game 51: 10 blue, 6 red; 10 red; 12 red, 5 blue; 11 red, 3 green, 3 blue
Game 52: 11 green, 7 red, 3 blue; 1 red, 9 blue, 8 green; 16 green, 2 blue, 8 red; 8 blue, 6 green; 3 blue, 5 red, 10 green; 8 red, 9 blue, 12 green
Game 53: 1 green, 4 blue, 11 red; 1 green, 12 red, 6 blue; 1 green, 5 red, 12 blue; 5 red, 11 blue; 1 blue, 11 red; 8 blue, 4 red, 1 green
Game 54: 3 blue, 2 green, 8 red; 2 blue, 5 red; 3 blue, 2 red, 2 green; 1 red, 9 blue; 5 red
Game 55: 1 green, 11 blue, 5 red; 16 blue, 11 green, 8 red; 16 blue, 2 red, 13 green
Game 56: 8 green, 6 blue, 6 red; 10 blue, 6 red, 9 green; 3 green, 13 blue, 6 red; 4 green, 5 blue, 3 red
Game 57: 6 green, 6 blue; 1 green, 1 red; 14 green, 1 blue
Game 58: 1 blue; 1 red; 1 red, 3 green, 1 blue; 1 red
Game 59: 5 green, 10 red; 1 green, 2 blue, 6 red; 8 red, 3 green, 2 blue; 4 green, 1 blue
Game 60: 2 red, 8 green; 1 blue, 3 green, 1 red; 2 green, 1 blue, 5 red; 1 red, 13 green, 1 blue; 4 red, 6 green, 1 blue
Game 61: 2 red, 2 green; 15 red, 1 green, 3 blue; 20 red; 7 red, 2 blue; 8 red, 5 blue, 1 green
Game 62: 4 green, 12 red, 14 blue; 11 red, 3 blue, 13 green; 6 green, 16 blue, 7 red; 7 red, 10 blue, 11 green
Game 63: 2 green, 8 red, 3 blue; 1 red; 2 blue, 8 red; 5 blue, 2 red; 1 green, 5 blue, 10 red; 1 green, 3 blue, 11 red
Game 64: 12 blue, 2 red, 4 green; 4 green, 3 red, 5 blue; 9 blue, 1 red, 4 green; 7 green, 7 blue, 1 red; 1 red, 10 blue, 2 green
Game 65: 4 blue, 2 green, 1 red; 1 blue, 4 red, 3 green; 5 green, 3 red; 1 red, 2 green, 15 blue; 3 blue, 3 red
Game 66: 1 red, 7 blue, 1 green; 3 red, 1 green, 1 blue; 1 green, 9 red, 2 blue; 2 green, 2 blue; 5 red, 3 green, 3 blue; 1 blue, 5 red
Game 67: 6 green; 17 green, 5 blue; 3 blue, 3 red, 9 green; 2 green, 4 blue; 1 red, 15 green
Game 68: 1 blue, 11 red, 8 green; 17 green, 3 blue, 8 red; 5 green, 8 red; 18 green, 7 red, 2 blue; 6 green
Game 69: 12 green, 13 blue, 2 red; 4 red, 14 green, 1 blue; 11 red, 15 green, 5 blue; 15 green, 9 red; 4 blue, 1 red, 5 green; 10 red, 20 green, 13 blue
Game 70: 6 red, 8 green, 7 blue; 5 blue, 1 red, 17 green; 2 red, 3 blue, 6 green; 7 blue, 1 red, 14 green; 7 red, 6 blue, 16 green
Game 71: 3 green, 3 blue, 3 red; 1 blue, 11 red, 2 green; 1 blue, 11 red
Game 72: 9 red, 17 blue, 1 green; 20 red, 3 green, 2 blue; 14 blue, 4 green, 11 red; 2 red, 12 blue, 7 green; 18 red, 13 blue, 7 green
Game 73: 6 green, 12 blue, 1 red; 10 blue, 5 red; 6 green, 17 blue, 3 red
Game 74: 1 green, 2 blue, 13 red; 2 blue, 2 green, 1 red; 2 green, 1 blue, 7 red; 1 red, 1 green
Game 75: 10 red, 2 green; 3 blue, 4 green; 9 red, 1 green
Game 76: 1 red, 3 green, 1 blue; 3 blue, 4 green, 6 red; 9 blue, 12 green, 2 red; 5 green, 1 red, 1 blue
Game 77: 3 blue, 4 red, 11 green; 8 green, 5 red; 7 blue, 11 green; 1 green, 3 blue, 6 red
Game 78: 15 blue, 5 green; 7 green, 9 blue; 7 green, 3 red, 2 blue
Game 79: 9 green, 6 red, 4 blue; 4 blue, 2 red, 14 green; 17 green, 2 blue, 4 red; 1 red, 2 green; 3 red, 3 green, 2 blue
Game 80: 1 green; 15 green, 1 red; 1 blue, 20 green, 1 red; 3 red, 15 green, 1 blue; 4 red, 3 green; 2 red, 18 green
Game 81: 4 blue, 1 green, 13 red; 13 blue, 19 red; 4 red, 13 blue; 8 blue, 10 red; 13 blue, 5 red; 1 green, 7 blue, 12 red
Game 82: 5 red, 3 blue; 4 red, 3 green, 9 blue; 19 blue, 1 green, 5 red; 5 green, 3 red, 10 blue
Game 83: 9 red, 3 blue, 5 green; 1 blue, 1 green, 11 red; 2 blue, 6 green, 18 red
Game 84: 2 green; 6 green, 5 red; 3 green, 1 red, 1 blue
Game 85: 2 blue, 6 red; 9 green, 5 red, 15 blue; 7 green, 10 red, 2 blue; 10 red, 6 blue, 2 green; 8 green, 5 red, 12 blue; 6 green, 5 blue, 6 red
Game 86: 2 blue, 12 red, 3 green; 3 red, 2 blue; 1 green, 2 blue, 2 red; 7 blue, 3 red, 1 green; 1 green, 2 blue, 5 red; 3 green, 14 red, 4 blue
Game 87: 3 blue, 1 green; 3 red, 2 blue, 1 green; 1 red, 3 blue; 10 red, 3 green; 5 red, 2 blue
Game 88: 3 blue, 9 red, 9 green; 9 blue, 11 red; 2 green, 11 blue; 2 blue, 14 red, 1 green; 7 green, 11 blue, 8 red; 9 red, 8 green, 3 blue
Game 89: 3 red, 1 blue, 16 green; 5 blue, 4 red, 3 green; 3 blue, 5 red, 5 green; 5 green, 8 blue, 2 red; 4 green, 2 red, 1 blue; 4 red, 1 green, 6 blue
Game 90: 7 green, 8 red; 1 blue, 7 green, 5 red; 4 green, 6 red
Game 91: 3 green, 6 red, 4 blue; 2 green, 9 red, 10 blue; 3 green, 12 blue; 1 red, 4 blue
Game 92: 12 green, 8 blue, 16 red; 6 red, 14 green, 4 blue; 3 green, 3 red, 10 blue; 9 blue, 6 red, 15 green; 14 green, 9 blue, 10 red
Game 93: 4 blue, 4 red, 9 green; 2 blue, 2 green, 6 red; 1 blue, 7 red; 7 blue, 17 red; 2 blue, 13 red, 10 green
Game 94: 4 green, 10 red; 9 red; 1 green, 3 blue, 14 red
Game 95: 9 green, 5 red; 3 blue, 11 red, 6 green; 4 red, 1 green; 13 green, 3 blue, 5 red; 1 red, 6 blue, 12 green; 7 red, 7 green
Game 96: 6 blue; 5 green, 2 blue, 2 red; 14 blue, 3 green
Game 97: 1 blue, 2 green, 5 red; 2 green, 8 blue, 9 red; 1 green, 8 blue, 6 red; 1 blue, 17 red; 2 green, 10 blue, 11 red
Game 98: 3 red, 12 blue, 2 green; 3 green, 4 blue, 4 red; 1 red, 11 blue, 2 green; 1 blue, 3 red
Game 99: 2 green, 9 red; 8 red, 4 green, 9 blue; 8 blue, 13 red; 10 green, 8 blue, 6 red; 11 green, 2 red, 13 blue
Game 100: 5 blue, 2 green, 7 red; 14 red, 15 green, 1 blue; 3 blue, 3 red; 8 green, 10 red, 6 blue; 6 blue, 4 red, 8 green
5 changes: 5 additions & 0 deletions noahover/aoc23/input/day2_example.txt
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Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green
71 changes: 71 additions & 0 deletions noahover/aoc23/lib/day2.ex
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defmodule Day2 do
@moduledoc """
Advent of Code 2023 Day 2
"""

def parse_input(input) do
input
|> String.split("\n", trim: true)
|> Enum.map(fn x ->
parts = String.split(x, ": ")

id =
parts
|> hd()
|> String.trim_leading("Game ")
|> String.to_integer()

rounds =
parts
|> List.last()
|> String.split("; ")
|> Enum.map(fn y ->
y
|> String.split(", ")
|> Enum.reduce(%{}, fn z, acc ->
round_parts = String.split(z, " ")

count =
round_parts
|> hd()
|> String.to_integer()

color =
round_parts
|> List.last()
|> String.to_atom()

Map.put(acc, color, count)
end)
end)

%{id: id, rounds: rounds}
end)
end

@doc """
Day 2 Part 1
Sum the IDs of games where it is possible that the game
bag only contains 12 red cubes, 13 green cubes, and 14
blue cubes.
"""
def sum_possible_game_ids(games) do
games
|> Enum.map(fn x -> id_if_possible(x) end)
|> Enum.sum()
end

defp id_if_possible(%{id: id, rounds: rounds}) do
id_if_possible_loop(id, rounds)
end

defp id_if_possible_loop(id, []), do: id
defp id_if_possible_loop(_id, [%{red: red} | _tail]) when red > 12, do: 0
defp id_if_possible_loop(_id, [%{green: green} | _tail]) when green > 13, do: 0
defp id_if_possible_loop(_id, [%{blue: blue} | _tail]) when blue > 14, do: 0

defp id_if_possible_loop(id, [_head | tail]) do
id_if_possible_loop(id, tail)
end
end
24 changes: 24 additions & 0 deletions noahover/aoc23/test/day2_test.exs
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defmodule Day2Test do
use ExUnit.Case
doctest Day2

import Day2

test "day 2 part 1 example 1 - sum possible game IDs" do
answer =
File.read!("input/day2_example.txt")
|> parse_input()
|> sum_possible_game_ids()

assert answer == 8
end

test "day 2 part 1 - sum possible game IDs" do
answer =
File.read!("input/day2.txt")
|> parse_input()
|> sum_possible_game_ids()

assert answer == 2278
end
end

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