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Day 2 initial solution

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This commit is contained in:
pjht 2023-12-02 09:37:15 -06:00
parent d1b425ba27
commit 16888bf459
Signed by: pjht
GPG Key ID: 7B5F6AFBEC7EE78E
3 changed files with 212 additions and 0 deletions
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input/2023/day2.txt Normal file
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Game 1: 7 red, 8 blue; 6 blue, 6 red, 2 green; 2 red, 6 green, 8 blue; 9 green, 2 red, 4 blue; 6 blue, 4 green
Game 2: 2 green, 8 blue, 9 red; 5 blue, 11 red; 5 blue, 3 green, 4 red; 7 blue, 8 red; 5 red, 3 green, 3 blue; 1 red, 5 blue, 2 green
Game 3: 4 red, 8 green, 2 blue; 6 green, 2 red, 2 blue; 12 red, 12 green, 2 blue; 10 green, 6 red
Game 4: 12 red, 3 green; 1 green, 2 blue, 2 red; 16 red, 4 green; 14 red, 3 green; 2 blue, 5 red; 11 red, 4 green
Game 5: 19 red, 1 green; 7 red, 1 green, 1 blue; 7 red; 13 red, 2 green
Game 6: 8 green, 2 blue, 2 red; 1 red, 7 green; 6 green, 8 blue, 3 red; 14 green, 2 red, 9 blue; 13 green; 10 blue, 2 red, 4 green
Game 7: 2 red, 7 green; 9 red, 5 blue, 18 green; 16 blue, 10 green, 6 red; 13 blue, 12 green, 6 red; 19 blue, 12 red, 11 green
Game 8: 5 blue, 3 red, 1 green; 8 red, 1 blue, 3 green; 8 green, 9 blue, 8 red; 5 blue, 11 green, 3 red; 2 red, 3 blue, 1 green; 3 green, 7 red
Game 9: 3 red, 3 blue; 7 green, 9 blue, 14 red; 12 blue, 9 green, 3 red
Game 10: 6 blue, 1 green, 1 red; 17 red, 8 blue, 1 green; 4 blue, 10 red
Game 11: 2 green, 1 blue, 8 red; 14 red, 5 blue, 10 green; 14 blue, 6 red, 9 green; 7 red, 1 blue, 1 green
Game 12: 16 green, 1 blue; 1 green, 4 blue; 1 red, 2 blue, 16 green; 17 green, 3 blue; 14 green, 4 blue, 3 red; 7 green, 8 blue
Game 13: 13 red, 10 blue, 19 green; 2 blue, 12 red, 8 green; 8 blue, 11 red, 13 green
Game 14: 16 red, 7 blue, 7 green; 8 green, 10 red, 6 blue; 6 blue, 11 red, 4 green
Game 15: 6 red, 10 blue, 2 green; 10 red, 1 blue, 1 green; 5 blue, 3 red, 2 green; 16 blue, 10 red, 2 green; 13 blue
Game 16: 8 green, 10 red, 1 blue; 6 red, 9 green, 12 blue; 7 blue, 3 green, 1 red; 5 red, 6 blue, 3 green; 1 blue, 6 green, 8 red; 6 green, 8 red
Game 17: 4 green, 4 blue; 2 green, 2 red; 1 red, 8 green, 7 blue
Game 18: 6 blue, 8 green, 9 red; 4 green, 3 blue, 8 red; 8 blue, 12 red, 2 green; 4 blue, 8 red, 2 green
Game 19: 12 blue, 3 green; 2 blue, 2 green, 4 red; 3 green, 6 red, 14 blue; 3 green, 1 red, 17 blue; 10 green, 10 red, 1 blue; 8 green, 8 blue, 4 red
Game 20: 4 green, 3 blue, 1 red; 9 red, 14 blue, 9 green; 1 blue, 17 red, 2 green; 8 red, 13 blue, 8 green; 7 red, 2 green, 20 blue; 6 green, 13 red, 5 blue
Game 21: 7 red, 1 blue; 1 blue, 5 red, 4 green; 5 green, 5 red; 7 red, 2 green; 4 green, 2 red, 1 blue
Game 22: 6 red, 8 green, 18 blue; 2 green, 7 blue, 2 red; 18 blue, 8 green, 1 red; 10 red, 7 green, 20 blue; 5 blue, 10 green, 4 red
Game 23: 2 green, 2 red, 15 blue; 2 red, 6 green, 4 blue; 8 red, 5 green
Game 24: 9 blue, 7 green; 3 green, 9 blue, 1 red; 2 red, 6 blue; 3 green, 11 blue, 4 red
Game 25: 2 green, 3 red, 5 blue; 2 red, 5 green; 3 red, 2 blue, 5 green; 1 blue, 4 green, 3 red
Game 26: 1 green, 7 red; 6 green, 2 blue, 7 red; 11 green, 3 blue, 1 red; 6 red, 5 blue; 1 blue, 5 green; 8 green
Game 27: 2 green, 10 red, 3 blue; 5 red, 5 green; 2 green, 4 blue, 10 red; 4 red, 1 blue; 3 green, 3 blue, 2 red; 8 blue, 2 green
Game 28: 9 red, 7 blue; 6 blue, 11 red; 10 red, 10 blue, 3 green
Game 29: 15 blue, 10 green, 1 red; 1 blue, 10 green; 2 red, 19 green, 14 blue; 4 blue, 18 green, 7 red; 8 blue, 10 green, 5 red
Game 30: 7 blue, 3 green, 2 red; 12 blue, 5 green; 1 red, 5 green, 5 blue
Game 31: 6 green, 5 red; 7 red, 7 green, 5 blue; 2 red, 7 blue, 7 green; 2 red, 8 blue, 7 green
Game 32: 9 red, 2 green, 2 blue; 3 blue, 7 green, 3 red; 2 blue, 1 red
Game 33: 13 blue, 7 red, 1 green; 5 red, 17 blue, 1 green; 2 green, 14 red, 19 blue; 2 blue, 1 red; 13 blue, 8 red; 3 blue, 15 red
Game 34: 3 blue, 4 red, 1 green; 7 green, 2 blue; 17 green, 1 red; 7 green, 3 blue; 2 red, 1 green; 2 blue, 1 green, 2 red
Game 35: 5 red, 2 green, 4 blue; 5 blue; 2 blue, 4 green, 4 red; 8 green, 1 blue, 5 red; 3 green, 3 blue, 5 red
Game 36: 4 blue, 4 red, 4 green; 8 red, 8 blue, 4 green; 3 green, 9 red, 5 blue; 1 red, 4 green, 13 blue; 7 blue, 9 green, 9 red; 13 blue, 8 red
Game 37: 6 green, 10 red, 5 blue; 5 red, 9 green, 2 blue; 4 red, 4 blue, 1 green; 12 green, 3 red, 2 blue; 4 red, 11 green, 1 blue
Game 38: 3 red; 1 blue, 3 red; 2 red, 2 green; 2 blue, 3 green; 4 green, 2 blue, 2 red; 3 red, 2 blue
Game 39: 6 red, 4 blue, 9 green; 17 blue, 2 green, 3 red; 5 red, 15 green, 12 blue; 3 red, 5 green, 8 blue
Game 40: 20 red, 10 blue, 8 green; 7 red, 3 green, 10 blue; 14 green, 8 blue, 14 red; 4 red, 9 blue, 8 green; 11 red, 4 blue, 8 green
Game 41: 2 blue; 4 red, 2 blue, 2 green; 5 green, 9 red, 3 blue; 8 red, 4 green
Game 42: 3 red, 13 blue; 2 blue, 1 green; 6 green, 16 blue, 10 red
Game 43: 9 red, 1 green; 1 green, 7 blue, 8 red; 8 blue, 2 green, 5 red
Game 44: 15 blue, 5 green; 5 green, 1 red, 6 blue; 1 red, 4 blue
Game 45: 3 green; 2 blue, 1 green; 4 green, 4 blue; 1 red, 5 blue, 11 green
Game 46: 20 green, 10 blue, 10 red; 4 red, 13 green, 1 blue; 2 red, 2 green, 10 blue
Game 47: 5 blue, 2 red, 3 green; 5 blue, 2 red, 1 green; 2 green, 3 red, 5 blue; 1 red, 4 green, 4 blue; 2 blue
Game 48: 2 red, 10 blue, 1 green; 6 blue, 6 green, 6 red; 11 blue, 7 red, 5 green; 1 red, 6 green, 14 blue; 1 green, 9 blue, 3 red
Game 49: 3 blue, 16 green, 6 red; 14 red, 3 green, 5 blue; 12 green, 6 red, 4 blue; 4 red, 6 blue, 15 green; 6 green, 11 blue, 9 red
Game 50: 1 green, 7 red, 2 blue; 3 green, 2 blue, 5 red; 4 red, 2 blue, 4 green
Game 51: 3 green, 7 red; 2 red, 4 green, 2 blue; 10 green, 3 blue, 6 red; 1 blue, 11 green; 1 green, 3 blue; 2 blue, 7 green
Game 52: 2 green, 1 blue, 2 red; 7 red, 3 green; 2 blue, 8 green; 1 blue, 13 green, 6 red
Game 53: 7 red, 2 green; 1 blue, 16 red, 7 green; 12 red, 7 green; 1 blue, 11 red, 5 green
Game 54: 1 green, 1 blue, 16 red; 4 blue, 1 green, 6 red; 4 red, 1 blue, 3 green; 1 green, 4 red, 4 blue; 1 red, 2 green
Game 55: 2 blue, 2 green, 5 red; 1 blue, 4 red, 5 green; 2 blue, 2 green, 6 red; 2 blue, 5 red, 6 green; 6 green, 1 red
Game 56: 3 red, 14 green, 14 blue; 7 green, 14 red, 13 blue; 12 red, 13 blue, 6 green
Game 57: 6 red, 11 green, 5 blue; 6 blue, 2 green, 4 red; 4 red, 6 green; 4 green, 1 red, 2 blue; 1 green, 5 blue
Game 58: 8 red, 6 green, 10 blue; 8 blue, 9 red; 1 red, 12 blue, 1 green; 5 green, 3 blue, 8 red; 9 blue, 2 green, 4 red
Game 59: 11 green, 1 red; 5 red, 10 blue, 12 green; 6 red, 6 blue, 2 green; 1 blue, 10 green, 4 red; 8 green, 11 blue; 6 blue, 1 red, 11 green
Game 60: 16 green, 14 red, 1 blue; 2 blue, 8 green; 14 green; 1 green, 11 red, 2 blue; 1 blue, 11 green
Game 61: 11 blue, 3 green, 1 red; 9 red, 18 green; 7 red, 15 green, 5 blue; 19 blue, 2 green
Game 62: 2 green, 2 blue; 1 green, 3 red; 1 blue, 4 red, 8 green; 2 blue, 11 green; 5 red, 9 green; 7 green, 1 blue, 8 red
Game 63: 14 blue, 6 red, 5 green; 3 blue, 10 red; 8 blue, 1 green, 8 red; 9 blue, 14 red, 4 green
Game 64: 8 blue, 3 green, 1 red; 1 green, 13 blue; 4 green, 15 blue, 1 red; 9 blue, 3 green
Game 65: 5 red, 5 green, 3 blue; 7 red, 2 blue, 1 green; 2 blue, 7 red, 2 green; 6 green, 12 red, 2 blue
Game 66: 9 blue, 1 green, 1 red; 8 blue, 2 red, 2 green; 1 red, 1 green; 2 green, 1 red, 5 blue; 14 blue, 2 red; 2 red, 13 blue, 2 green
Game 67: 7 green, 2 blue, 3 red; 16 red, 15 blue, 4 green; 6 green, 3 blue, 1 red; 1 red, 5 green, 9 blue
Game 68: 11 blue, 4 red; 6 red, 1 blue; 1 green, 8 red, 11 blue; 10 blue, 7 red; 7 blue, 2 red; 9 blue, 1 green, 11 red
Game 69: 9 red, 8 green, 6 blue; 2 blue, 3 red; 4 green, 9 blue, 9 red; 3 blue, 5 green, 5 red; 1 green, 7 red, 5 blue; 1 blue, 3 green, 9 red
Game 70: 5 blue, 1 green, 3 red; 1 red, 5 green, 3 blue; 4 green, 3 blue; 2 green, 8 blue; 10 blue, 12 green
Game 71: 1 green, 5 blue, 14 red; 6 red, 2 green, 5 blue; 7 blue, 5 green, 2 red; 2 green, 2 red, 1 blue; 6 red, 5 green; 6 red
Game 72: 12 red, 6 green; 11 red, 2 green; 3 green, 1 red; 14 red, 5 green, 1 blue
Game 73: 3 green, 3 red; 4 green, 4 red, 5 blue; 2 red, 5 blue, 2 green; 4 green, 8 red, 6 blue
Game 74: 12 red, 1 blue; 3 blue, 17 red, 1 green; 5 red, 1 blue
Game 75: 14 green, 1 red; 3 green, 5 red, 16 blue; 10 blue, 20 green, 5 red
Game 76: 4 green, 9 blue, 12 red; 4 blue, 6 red, 3 green; 10 red, 8 green, 1 blue; 9 red, 6 green, 1 blue; 8 blue, 1 green, 6 red; 8 blue, 3 red
Game 77: 7 red, 12 blue, 10 green; 12 green; 8 red, 8 blue, 4 green; 11 green, 9 red, 9 blue
Game 78: 9 green, 14 blue, 16 red; 7 blue, 8 green, 1 red; 5 green, 13 red, 7 blue; 9 green, 6 red
Game 79: 2 red, 3 blue, 8 green; 1 green; 1 blue, 2 green, 1 red; 1 green; 4 blue, 2 green, 1 red
Game 80: 8 red, 3 blue, 10 green; 12 red; 13 red, 4 green, 6 blue; 2 red, 14 blue, 9 green; 13 blue, 1 red, 5 green; 13 blue, 9 red, 2 green
Game 81: 2 green, 4 blue, 9 red; 1 red, 6 blue, 14 green; 4 green, 1 blue, 5 red; 3 blue, 8 red, 9 green; 6 blue, 5 green, 11 red
Game 82: 6 blue, 6 red, 13 green; 5 blue, 4 green, 7 red; 1 green, 1 blue, 2 red
Game 83: 2 red, 8 green; 7 red, 7 green; 11 red, 6 green; 14 red, 2 green, 2 blue; 2 green, 1 blue; 8 green, 11 red, 2 blue
Game 84: 3 blue, 4 green, 9 red; 7 blue, 13 green, 17 red; 14 blue, 16 green, 14 red; 7 blue, 16 green, 3 red; 9 red, 2 blue, 14 green; 13 blue, 3 green, 7 red
Game 85: 1 green, 6 red, 2 blue; 1 blue, 8 green, 5 red; 11 green, 1 red
Game 86: 2 green, 6 blue, 2 red; 4 green, 3 blue, 3 red; 3 blue, 5 green, 8 red; 1 red; 9 red, 4 blue, 2 green; 4 green, 8 blue, 9 red
Game 87: 1 red, 3 blue, 2 green; 14 red, 8 blue, 2 green; 9 blue, 13 red, 5 green; 5 green, 2 blue; 1 green, 10 blue, 14 red; 6 blue, 12 red, 15 green
Game 88: 3 red, 7 green, 1 blue; 2 blue, 4 red, 4 green; 13 green, 3 red, 4 blue
Game 89: 2 red, 14 green, 1 blue; 6 green, 2 red; 8 red, 8 green; 1 blue; 4 red, 1 blue, 15 green; 1 blue, 1 green, 8 red
Game 90: 4 red, 4 blue; 9 red, 7 blue, 2 green; 9 blue, 8 red; 3 red, 1 blue; 15 blue, 9 red; 4 red, 4 blue, 2 green
Game 91: 14 green, 4 red; 10 red, 13 green, 5 blue; 1 green, 7 red, 20 blue
Game 92: 10 green, 7 blue; 12 green, 4 blue; 12 green, 4 red
Game 93: 1 blue, 6 red; 2 blue, 10 red, 2 green; 2 green, 2 blue; 4 red, 2 blue; 4 red, 3 green
Game 94: 2 red, 1 blue; 7 red, 1 green, 1 blue; 1 blue, 5 red; 1 green, 10 red
Game 95: 1 red, 10 blue; 6 red, 4 blue; 2 blue, 4 red; 1 red, 2 green, 7 blue; 1 red, 6 blue
Game 96: 1 green, 16 blue, 1 red; 7 red, 10 blue, 1 green; 18 blue, 12 red
Game 97: 5 blue, 3 red, 8 green; 7 red, 14 green, 1 blue; 11 green
Game 98: 1 green, 12 blue, 7 red; 6 red, 7 blue, 1 green; 5 red, 11 blue, 1 green; 2 green, 8 red, 8 blue
Game 99: 11 red, 7 blue, 15 green; 3 red, 11 green, 5 blue; 19 green, 5 red, 1 blue; 7 green, 4 red
Game 100: 10 red; 11 blue, 12 red; 1 green, 7 blue, 6 red

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src/day02.rs Normal file
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use aoc_runner_derive::{aoc, aoc_generator};
use nom::{
branch::alt,
bytes::complete::tag,
character::complete::multispace0,
combinator::map,
multi::separated_list0,
sequence::{delimited, pair, terminated},
Finish, IResult,
};
#[derive(Debug)]
struct Game {
num: u32,
draws: Vec<CubeDraw>,
}
#[derive(Debug)]
enum Color {
Red,
Green,
Blue,
}
#[derive(Debug)]
struct CubeDraw {
color: Color,
num: u32,
}
fn parse_color(input: &str) -> IResult<&str, Color> {
let red = map(tag("red"), |_| Color::Red);
let green = map(tag("green"), |_| Color::Green);
let blue = map(tag("blue"), |_| Color::Blue);
alt((red, green, blue))(input)
}
fn parse_cube_draw(input: &str) -> IResult<&str, CubeDraw> {
let parse_num = terminated(nom::character::complete::u32, multispace0);
map(pair(parse_num, parse_color), |(num, color)| CubeDraw {
num,
color,
})(input)
}
fn parse_subset(input: &str) -> IResult<&str, Vec<CubeDraw>> {
separated_list0(tag(", "), parse_cube_draw)(input)
}
fn parse_game(input: &str) -> IResult<&str, Game> {
map(
pair(
delimited(tag("Game "), nom::character::complete::u32, tag(": ")),
separated_list0(tag("; "), parse_subset),
),
|(num, subsets)| Game {
num,
draws: subsets.into_iter().flatten().collect::<Vec<_>>(),
},
)(input)
}
#[aoc_generator(day2)]
fn input_generator(input: &str) -> Vec<Game> {
input
.split('\n')
.map(|line| parse_game(line).finish().unwrap().1)
.collect()
}
#[aoc(day2, part1)]
fn part1(input: &[Game]) -> u32 {
let max_red = 12;
let max_green = 13;
let max_blue = 14;
input
.iter()
.filter(|game| {
game.draws
.iter()
.map(|draw| match draw.color {
Color::Red => draw.num <= max_red,
Color::Green => draw.num <= max_green,
Color::Blue => draw.num <= max_blue,
})
.all(|x| x)
})
.map(|game| game.num)
.sum()
}
#[aoc(day2, part2)]
fn part2(input: &[Game]) -> u32 {
input
.iter()
.map(|game| {
game.draws.iter().fold(
(0, 0, 0),
|(mut max_red, mut max_green, mut max_blue), draw| {
match draw.color {
Color::Red => max_red = u32::max(max_red, draw.num),
Color::Green => max_green = u32::max(max_green, draw.num),
Color::Blue => max_blue = u32::max(max_blue, draw.num),
}
(max_red, max_green, max_blue)
},
)
})
.map(|(max_red, max_green, max_blue)| max_red * max_blue * max_green)
.sum()
}

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src/lib.rs
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use aoc_runner_derive::aoc_lib;
mod day01;
mod day02;
aoc_lib! { year = 2023 }