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day 02

This commit is contained in:
Moritz Hölting 2023-12-02 16:55:33 +01:00
parent 7b2a3b76a5
commit 2132ceceb6
6 changed files with 280 additions and 0 deletions
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7
Cargo.lock generated
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@ -9,6 +9,13 @@ dependencies = [
"nom",
]
[[package]]
name = "day-02"
version = "0.0.0"
dependencies = [
"nom",
]
[[package]]
name = "memchr"
version = "2.6.4"

1
Cargo.toml
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@ -2,6 +2,7 @@
resolver = "2"
members = [
"day-01",
"day-02"
]
[workspace.dependencies]

9
day-02/Cargo.toml Normal file
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@ -0,0 +1,9 @@
[package]
name = "day-02"
version = "0.0.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
nom.workspace = true

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day-02/src/bin/input.txt Normal file
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Game 1: 7 red, 14 blue; 2 blue, 3 red, 3 green; 4 green, 12 blue, 15 red; 3 green, 12 blue, 3 red; 11 red, 2 green
Game 2: 16 blue, 9 red, 5 green; 8 red; 8 blue, 5 green, 12 red; 11 blue, 8 green, 17 red
Game 3: 8 green, 1 blue, 7 red; 12 red, 6 blue, 9 green; 2 blue, 1 red, 14 green; 9 green, 4 red; 2 red, 1 blue, 8 green
Game 4: 1 blue, 3 green; 2 green, 1 blue, 1 red; 1 red, 3 green
Game 5: 6 red, 1 blue; 1 green; 5 red, 2 green; 1 red, 1 blue, 3 green
Game 6: 3 green, 4 red, 1 blue; 2 blue, 5 green, 2 red; 12 green, 3 blue, 2 red; 4 blue, 1 green, 4 red; 11 green, 6 red; 5 green, 10 red, 3 blue
Game 7: 2 blue, 3 green, 16 red; 1 blue, 3 red; 2 green, 13 red; 18 red, 2 blue, 1 green; 3 red, 1 blue
Game 8: 4 red, 3 blue, 8 green; 2 red, 16 green; 2 red, 1 blue
Game 9: 4 green, 14 blue, 8 red; 17 blue, 3 red, 5 green; 2 green, 4 red, 6 blue; 7 red, 2 green, 18 blue; 3 red, 19 blue, 4 green; 4 green, 8 red, 6 blue
Game 10: 12 green, 7 red, 1 blue; 6 red, 12 green; 6 red, 7 green, 1 blue; 1 red, 1 blue, 18 green; 11 green, 1 blue
Game 11: 10 green, 3 red, 13 blue; 13 blue, 6 green, 8 red; 12 blue, 4 green, 8 red; 9 green, 9 red, 3 blue; 6 blue, 7 green, 6 red; 11 blue, 13 green
Game 12: 9 green, 2 blue; 4 green, 1 blue, 7 red; 2 green, 1 blue, 5 red
Game 13: 1 green; 7 blue, 1 red, 2 green; 8 blue, 2 green
Game 14: 8 red, 3 green; 1 red, 8 green; 1 blue, 10 green
Game 15: 1 blue, 6 green, 14 red; 3 red, 1 blue, 6 green; 4 green; 1 blue, 5 green, 2 red; 2 blue, 1 green, 6 red; 4 red, 8 green, 1 blue
Game 16: 1 green, 6 red, 8 blue; 1 green, 11 blue, 1 red; 7 blue, 3 green, 4 red; 2 green, 6 red, 12 blue
Game 17: 3 blue, 4 red, 4 green; 18 blue, 6 red, 11 green; 2 green, 6 red, 17 blue; 12 green, 3 blue, 5 red
Game 18: 3 green, 2 blue, 10 red; 7 green, 10 blue; 9 blue, 7 red, 14 green; 18 green, 10 blue, 11 red; 10 red, 2 blue, 16 green
Game 19: 6 red, 1 green, 18 blue; 2 red, 1 blue; 7 blue, 3 red, 2 green; 18 blue, 2 green, 1 red; 7 red, 10 blue
Game 20: 13 blue, 2 red; 2 green, 2 red; 1 green, 9 blue
Game 21: 4 blue, 1 red; 2 red, 4 blue, 1 green; 3 red; 4 green, 1 red, 1 blue; 3 green, 9 blue, 1 red
Game 22: 7 blue, 5 green, 14 red; 15 red, 9 blue, 11 green; 10 blue, 5 red, 11 green; 14 red, 10 blue, 13 green
Game 23: 10 red, 6 blue; 1 red, 4 blue, 3 green; 3 green, 2 blue; 5 red, 3 green; 3 green, 4 blue, 5 red; 3 green, 7 red, 6 blue
Game 24: 4 red, 8 green; 1 red, 10 green; 2 red, 1 green; 2 green, 1 blue; 4 red, 12 green; 3 green
Game 25: 5 red, 2 blue, 6 green; 4 red, 3 blue, 8 green; 11 green, 4 red, 1 blue
Game 26: 5 blue, 1 red; 18 blue, 4 green; 9 green, 3 red, 17 blue; 6 green, 10 blue, 1 red; 3 blue, 7 green; 4 blue, 3 red, 5 green
Game 27: 13 red, 2 blue; 7 blue, 2 green, 12 red; 1 green, 9 blue, 9 red; 4 red, 4 green, 8 blue; 13 red, 6 blue; 3 red, 9 blue, 3 green
Game 28: 1 blue, 12 green, 1 red; 1 blue, 12 green, 2 red; 2 red, 8 green, 1 blue; 5 green, 2 red; 1 blue, 9 green, 6 red; 1 blue, 13 green
Game 29: 5 blue, 5 red, 11 green; 15 blue, 5 red, 10 green; 2 red, 11 green, 19 blue; 19 blue, 3 green, 6 red
Game 30: 1 blue, 12 red, 1 green; 12 blue, 1 red, 2 green; 12 red, 5 green; 2 red, 2 green, 5 blue; 5 red, 2 green, 6 blue
Game 31: 20 green, 1 red, 16 blue; 3 green, 1 red, 7 blue; 6 red, 18 blue, 8 green
Game 32: 5 green; 1 blue, 2 red, 5 green; 1 blue, 2 red, 5 green; 2 green, 2 red
Game 33: 6 blue, 5 green; 6 blue, 3 red, 1 green; 4 green, 3 blue, 2 red; 1 red, 6 blue, 5 green; 1 blue, 2 red, 5 green; 4 red, 3 blue
Game 34: 12 red, 12 green; 12 red, 7 green; 1 blue, 12 red, 11 green; 7 red, 7 green, 2 blue
Game 35: 3 red, 3 blue, 1 green; 1 green, 5 red, 5 blue; 8 green, 2 red, 14 blue; 8 green; 6 blue, 3 red, 6 green; 1 red, 1 blue, 12 green
Game 36: 13 red, 5 blue; 13 blue, 10 green, 6 red; 10 red, 5 green, 10 blue; 10 blue, 8 green, 6 red; 1 green, 14 red, 2 blue; 8 green, 4 blue
Game 37: 6 green, 1 red; 1 blue, 4 green, 1 red; 1 red, 14 green; 1 red, 9 green; 1 green, 1 red; 9 green, 1 red
Game 38: 1 green, 4 blue, 17 red; 13 red, 9 blue, 12 green; 7 green, 11 blue
Game 39: 18 green, 9 blue, 2 red; 11 red, 1 blue, 4 green; 9 red, 4 green, 10 blue; 9 blue, 5 red, 2 green
Game 40: 3 green, 8 red; 2 green, 6 red; 1 green, 9 red, 4 blue; 1 blue, 6 red; 2 green, 2 blue, 3 red
Game 41: 3 red, 15 green, 3 blue; 19 green, 2 red, 5 blue; 8 blue, 7 green, 4 red; 3 blue, 4 red, 5 green; 1 blue; 6 blue, 15 green, 3 red
Game 42: 2 red, 18 blue, 6 green; 3 green, 2 blue, 8 red; 9 blue, 1 green, 5 red; 12 red, 3 blue, 8 green
Game 43: 3 blue, 1 green, 3 red; 8 blue, 3 green, 1 red; 3 red, 5 blue; 3 green, 3 red, 7 blue; 6 blue, 1 green, 2 red; 7 blue, 2 green, 5 red
Game 44: 2 green, 5 blue, 1 red; 9 red, 16 blue; 4 blue, 2 green, 12 red; 13 red, 5 blue, 10 green; 4 green, 3 blue, 11 red
Game 45: 6 blue, 3 red, 13 green; 10 green, 13 blue, 12 red; 7 red, 19 blue, 16 green; 15 blue, 4 red, 11 green; 1 red, 4 green
Game 46: 11 red, 2 green; 5 blue, 2 red, 2 green; 3 green, 8 red, 6 blue; 3 blue, 10 green, 8 red
Game 47: 6 green, 16 red; 4 blue, 4 red, 2 green; 3 blue, 1 green, 12 red; 2 red, 4 blue, 4 green; 2 blue, 16 red; 5 blue, 5 green, 5 red
Game 48: 8 red, 1 blue; 1 green, 2 blue, 6 red; 11 red, 6 green, 2 blue
Game 49: 5 green, 16 blue, 2 red; 2 red, 20 blue, 6 green; 1 red, 3 blue, 5 green; 7 green, 4 blue
Game 50: 9 red, 8 green; 11 green, 10 red, 1 blue; 9 red, 5 green; 1 blue, 12 green, 8 red; 1 blue, 5 green, 2 red; 6 green, 1 blue, 2 red
Game 51: 1 red, 4 blue; 1 red, 3 green, 3 blue; 1 green, 1 red, 2 blue
Game 52: 11 red, 4 blue; 1 green, 6 blue, 10 red; 8 blue, 13 red
Game 53: 6 green, 9 red; 4 blue, 13 red, 2 green; 10 red, 5 green, 3 blue; 11 red, 3 blue, 4 green
Game 54: 16 red, 9 blue, 8 green; 9 red, 1 blue; 12 green, 2 red, 13 blue; 5 blue, 14 green, 15 red; 3 green, 2 red, 2 blue
Game 55: 3 green, 4 blue, 5 red; 3 red, 9 green, 1 blue; 3 blue, 4 green, 5 red; 4 green, 3 blue, 7 red; 5 red, 2 blue; 2 blue, 8 red, 5 green
Game 56: 3 red, 5 green, 3 blue; 15 red, 3 green, 15 blue; 3 green, 1 blue, 10 red; 15 blue, 1 red, 2 green; 6 red, 16 blue, 6 green; 19 red, 16 blue
Game 57: 5 blue, 1 red, 5 green; 8 blue, 16 green; 13 green, 5 blue, 3 red; 1 blue, 1 red, 13 green; 12 green, 3 red, 4 blue; 8 blue, 3 red, 1 green
Game 58: 5 blue, 4 green; 7 blue, 1 red, 10 green; 1 red, 13 green, 4 blue; 7 blue, 12 green, 4 red; 4 red, 13 green, 5 blue; 2 green, 1 blue, 12 red
Game 59: 2 red, 11 blue, 6 green; 1 green, 8 blue, 3 red; 4 red, 6 blue
Game 60: 4 green, 1 red; 3 blue, 15 red, 2 green; 13 red, 16 blue, 2 green; 6 green, 13 blue, 10 red; 15 blue, 11 red, 5 green; 7 blue, 4 green
Game 61: 14 red, 2 green, 14 blue; 1 green, 15 red, 3 blue; 2 green, 8 blue
Game 62: 13 green, 13 blue; 1 red, 6 green, 1 blue; 13 blue, 16 green; 3 blue, 1 red, 2 green
Game 63: 10 blue, 3 red, 4 green; 15 red; 10 blue, 10 green, 14 red; 9 blue, 6 green; 3 blue, 7 green, 13 red
Game 64: 2 red, 4 green; 1 blue, 9 red; 1 green, 2 blue, 10 red; 9 red, 1 blue, 5 green; 6 green, 6 red
Game 65: 10 blue, 4 green; 4 green, 2 red, 9 blue; 11 red, 1 green, 10 blue; 14 green, 19 blue, 3 red; 12 red, 5 blue, 11 green; 14 blue, 12 green, 11 red
Game 66: 5 blue, 2 red; 5 blue, 1 green, 7 red; 14 red, 1 green, 2 blue; 8 red, 7 blue; 2 red, 4 blue, 1 green; 2 blue, 18 red
Game 67: 6 red, 1 blue; 5 green, 2 blue, 1 red; 2 red, 3 green, 3 blue; 8 green, 4 blue, 6 red
Game 68: 4 blue, 1 green; 12 blue, 2 red, 3 green; 2 green, 7 blue; 1 red, 19 blue, 3 green
Game 69: 6 green, 11 red, 2 blue; 1 blue, 7 green, 6 red; 1 blue, 8 red; 17 red, 3 blue, 5 green
Game 70: 2 green, 6 red, 4 blue; 2 green, 7 red, 1 blue; 11 blue, 1 green
Game 71: 10 blue, 9 red; 3 red, 10 blue; 1 red, 8 blue, 2 green; 7 blue, 4 green, 5 red; 6 red, 2 blue, 7 green; 5 red, 2 blue, 4 green
Game 72: 1 green, 12 blue, 8 red; 9 red, 3 blue; 2 red, 2 green, 10 blue
Game 73: 7 red, 3 green, 11 blue; 4 green, 7 blue; 6 blue, 13 green, 9 red; 11 green, 4 blue; 12 blue, 3 red, 2 green; 9 green
Game 74: 5 blue, 2 red; 6 red, 1 blue, 8 green; 6 green, 5 blue, 16 red; 1 green, 9 red, 3 blue; 12 green, 1 red, 1 blue; 2 blue, 7 green, 13 red
Game 75: 5 green, 20 red; 7 red, 6 green, 2 blue; 4 green, 2 blue; 2 blue, 1 green, 3 red; 2 blue, 2 green, 12 red; 6 red, 6 green
Game 76: 9 red, 12 green, 3 blue; 2 blue, 1 red, 6 green; 13 green, 2 blue; 2 red, 7 green, 3 blue; 7 red, 4 green, 2 blue; 2 red, 3 blue, 3 green
Game 77: 2 blue, 6 red; 4 red, 15 green, 1 blue; 7 green, 5 blue, 6 red; 4 red, 5 blue
Game 78: 5 blue, 3 red, 1 green; 2 green, 7 red, 3 blue; 3 blue, 5 red, 5 green
Game 79: 6 red, 9 blue, 1 green; 9 green, 8 red, 7 blue; 1 blue, 12 green, 13 red; 7 red, 14 blue, 2 green; 13 blue, 4 green, 9 red; 4 blue, 2 green
Game 80: 4 green, 2 blue; 5 green, 3 red, 8 blue; 9 blue, 11 red, 4 green; 2 blue, 3 green, 4 red; 5 red
Game 81: 8 red, 3 blue, 4 green; 13 blue, 8 red, 1 green; 6 blue, 1 green; 18 green, 6 red, 10 blue; 17 green, 8 blue, 3 red; 6 red, 5 green, 12 blue
Game 82: 3 red, 7 blue; 4 red, 6 blue, 14 green; 9 blue, 2 green, 3 red
Game 83: 1 blue, 2 red; 5 green, 16 red; 12 red, 1 green; 8 green, 8 red
Game 84: 3 red, 9 green, 1 blue; 3 red, 6 blue, 7 green; 5 red, 8 green, 8 blue; 5 red, 3 blue, 11 green; 3 green, 4 blue; 4 green, 1 blue, 2 red
Game 85: 4 red, 6 blue, 1 green; 7 red, 6 blue; 9 red, 1 green; 1 blue, 1 green, 10 red; 2 red, 2 blue, 1 green; 5 blue, 7 red
Game 86: 4 blue, 5 green, 6 red; 9 red, 3 blue; 5 green, 3 red, 10 blue; 3 green, 7 blue, 3 red; 4 red; 4 green, 1 blue, 8 red
Game 87: 3 red, 3 green; 3 blue, 1 green; 3 red, 3 green; 3 red, 1 blue, 3 green; 2 green, 1 red
Game 88: 1 red, 13 green, 3 blue; 17 blue, 14 green, 5 red; 3 red, 19 blue, 13 green; 7 green, 19 blue; 5 red, 13 green, 17 blue; 13 blue, 8 green, 2 red
Game 89: 3 blue, 4 red; 2 green, 15 red, 1 blue; 3 green, 3 blue, 13 red; 3 blue, 9 red, 2 green; 8 red
Game 90: 2 red, 2 green, 1 blue; 3 blue, 2 green; 1 blue, 2 green, 4 red; 3 blue
Game 91: 13 blue, 5 green, 4 red; 17 blue, 8 red, 11 green; 1 green, 6 red, 19 blue; 12 blue, 6 green; 7 green, 2 red
Game 92: 6 red, 4 green; 2 blue, 11 red; 4 green, 7 blue; 2 red, 12 blue, 2 green
Game 93: 3 blue, 2 red; 2 blue, 11 red, 1 green; 7 red, 1 green; 1 red, 2 blue; 13 red, 3 blue
Game 94: 2 blue, 1 red, 20 green; 1 red, 4 blue, 10 green; 1 red, 20 green, 13 blue; 20 green
Game 95: 6 blue, 1 green; 3 red, 11 green; 4 blue
Game 96: 4 red, 4 green, 3 blue; 4 green, 17 blue, 3 red; 3 red, 3 blue, 13 green; 8 red, 7 blue, 6 green
Game 97: 5 blue, 9 green; 4 green, 4 blue; 4 red, 19 green; 2 red, 3 green; 19 green, 3 blue, 4 red; 3 red, 10 green
Game 98: 4 blue, 10 red, 8 green; 2 red, 3 green; 5 red, 4 blue, 10 green
Game 99: 9 blue, 12 red; 9 blue, 11 red, 13 green; 9 blue, 1 red, 13 green; 4 blue, 12 green; 10 blue, 17 red, 8 green
Game 100: 8 red, 3 green; 4 green, 1 blue, 15 red; 10 red, 8 green, 1 blue

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day-02/src/bin/part1.rs Normal file
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use nom::{
branch::alt,
bytes::complete::tag,
character::complete::{char, digit1},
combinator::{map, value},
multi::separated_list1,
sequence::{delimited, pair, terminated, tuple},
IResult,
};
fn main() {
println!("{}", part1(include_str!("./input.txt")));
}
fn part1(input: &str) -> u32 {
input.lines().map(game).sum()
}
fn game(input: &str) -> u32 {
let (id, possible) = tuple((id, all_results))(input).unwrap().1;
if possible {
id
} else {
0
}
}
fn digit_u32(i: &str) -> IResult<&str, u32> {
map(digit1, |d: &str| d.parse().unwrap())(i)
}
fn id(i: &str) -> IResult<&str, u32> {
delimited(tag("Game "), digit_u32, tag(": "))(i)
}
fn all_results(i: &str) -> IResult<&str, bool> {
map(separated_list1(tag("; "), one_result), |res| {
res.iter().all(|x| *x)
})(i)
}
fn one_result(i: &str) -> IResult<&str, bool> {
map(separated_list1(tag(", "), color), |res| {
res.iter().all(|x| *x)
})(i)
}
#[derive(Debug, PartialEq, Clone, Copy)]
enum Color {
Red,
Green,
Blue,
}
fn color(i: &str) -> IResult<&str, bool> {
map(
pair(
terminated(digit_u32, char(' ')),
alt((
value(Color::Red, tag("red")),
value(Color::Green, tag("green")),
value(Color::Blue, tag("blue")),
)),
),
|(amount, color)| match color {
Color::Red => amount <= 12,
Color::Green => amount <= 13,
Color::Blue => amount <= 14,
},
)(i)
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_part1() {
assert_eq!(part1("Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green\nGame 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue\nGame 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red\nGame 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red\nGame 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green"), 8)
}
}

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day-02/src/bin/part2.rs Normal file
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@ -0,0 +1,81 @@
use nom::{
branch::alt,
bytes::complete::tag,
character::complete::{char, digit1},
combinator::{map, value},
multi::separated_list1,
sequence::{delimited, pair, terminated, tuple},
IResult,
};
fn main() {
println!("{}", part2(include_str!("./input.txt")));
}
fn part2(input: &str) -> u32 {
input.lines().map(game).sum()
}
fn game(input: &str) -> u32 {
let (_, product) = tuple((id, all_results))(input).unwrap().1;
product
}
fn digit_u32(i: &str) -> IResult<&str, u32> {
map(digit1, |d: &str| d.parse().unwrap())(i)
}
fn id(i: &str) -> IResult<&str, u32> {
delimited(tag("Game "), digit_u32, tag(": "))(i)
}
fn all_results(i: &str) -> IResult<&str, u32> {
map(separated_list1(tag("; "), one_result), |res| {
let (red, green, blue) =
res.iter()
.flatten()
.fold(
(0_u32, 0_u32, 0_u32),
|(r, g, b), (amount, color)| match color {
Color::Red => (r.max(*amount), g, b),
Color::Green => (r, g.max(*amount), b),
Color::Blue => (r, g, b.max(*amount)),
},
);
red * green * blue
})(i)
}
fn one_result(i: &str) -> IResult<&str, Vec<(u32, Color)>> {
separated_list1(tag(", "), color)(i)
}
#[derive(Debug, PartialEq, Clone, Copy)]
enum Color {
Red,
Green,
Blue,
}
fn color(i: &str) -> IResult<&str, (u32, Color)> {
pair(
terminated(digit_u32, char(' ')),
alt((
value(Color::Red, tag("red")),
value(Color::Green, tag("green")),
value(Color::Blue, tag("blue")),
)),
)(i)
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_part2() {
assert_eq!(part2("Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green\nGame 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue\nGame 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red\nGame 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red\nGame 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green"), 2286)
}
}