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Day 2 - Part 1

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Signed-off-by: Anthony Oteri <anthony.oteri@gmail.com>
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Anthony Oteri
2023-12-04 10:54:06 -05:00
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day-02/Cargo.toml
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[package]
name = "day-02"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
day-02/input.txt
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Game 1: 4 red, 5 blue, 4 green; 7 red, 8 blue, 2 green; 9 blue, 6 red; 1 green, 3 red, 7 blue; 3 green, 7 red
Game 2: 20 blue, 12 green, 2 red; 1 red, 2 green, 20 blue; 1 red, 14 green, 17 blue; 7 green, 17 blue
Game 3: 3 green, 4 red; 10 red, 2 blue, 5 green; 9 red, 3 blue, 5 green
Game 4: 10 green, 1 blue, 3 red; 1 red, 12 green, 1 blue; 1 blue, 2 green; 4 green, 3 red
Game 5: 3 green, 8 red, 1 blue; 4 blue, 7 red, 3 green; 2 green, 2 blue, 13 red
Game 6: 1 green, 4 red, 2 blue; 9 blue, 1 red; 2 green, 4 blue; 4 red, 11 blue; 9 blue, 3 red
Game 7: 13 red, 18 green, 4 blue; 15 red, 5 blue, 14 green; 15 red, 11 green, 7 blue; 3 green, 3 red, 7 blue; 3 red, 5 blue, 9 green
Game 8: 1 red, 4 green, 4 blue; 15 red, 8 green; 6 green, 1 blue, 15 red; 6 blue, 15 green, 6 red; 2 red, 1 blue, 9 green
Game 9: 18 red, 8 green; 2 green, 18 red, 9 blue; 14 red, 2 blue, 10 green; 4 red, 2 green, 4 blue; 4 blue, 12 red, 9 green
Game 10: 4 green, 1 blue; 3 blue, 2 green, 12 red; 15 blue, 12 red, 2 green; 10 red, 8 green, 11 blue; 8 green, 10 blue, 10 red
Game 11: 5 blue, 7 red; 2 green, 1 blue, 12 red; 7 green, 8 red, 4 blue; 3 blue, 8 red; 6 green, 9 red, 3 blue; 11 green, 12 red
Game 12: 1 blue, 3 green; 3 red, 6 green; 2 green; 1 red, 6 green; 1 green, 3 red; 1 blue, 2 green, 2 red
Game 13: 3 blue, 12 red, 12 green; 5 green, 3 blue, 2 red; 3 green, 7 blue, 13 red; 4 green, 7 red; 3 green, 3 blue, 5 red
Game 14: 14 blue, 1 red, 6 green; 3 red, 9 blue; 5 green, 11 blue, 3 red
Game 15: 9 blue, 2 red, 5 green; 8 blue, 3 red, 6 green; 17 red, 2 green, 7 blue; 11 red, 2 green, 9 blue; 1 red, 4 green
Game 16: 2 green, 2 red; 3 red, 2 blue, 2 green; 5 red, 2 blue, 2 green; 2 red; 2 green, 7 blue, 4 red
Game 17: 8 blue, 6 green, 11 red; 5 red, 2 green, 2 blue; 4 green, 15 red, 10 blue; 6 blue, 2 red, 6 green
Game 18: 1 green, 11 blue, 1 red; 1 green, 1 blue, 4 red; 10 blue, 2 green; 3 green, 12 red; 4 green, 8 red, 5 blue; 13 blue, 4 red, 3 green
Game 19: 5 green, 3 blue, 5 red; 5 green, 15 blue, 10 red; 15 blue, 12 red, 1 green; 7 red, 5 green, 10 blue
Game 20: 4 red, 9 green, 9 blue; 5 red, 10 green, 10 blue; 3 blue, 11 green
Game 21: 13 blue, 9 green, 13 red; 1 blue, 11 green, 14 red; 14 blue, 8 red, 9 green
Game 22: 8 red, 12 blue, 6 green; 12 blue, 10 green, 4 red; 14 green, 16 blue, 3 red; 2 blue, 8 red, 5 green; 12 blue, 9 green, 9 red
Game 23: 9 red; 3 blue, 11 red; 2 red, 7 blue; 5 red, 4 blue, 1 green; 4 red; 7 blue, 12 red
Game 24: 5 green, 7 blue, 3 red; 5 green, 3 red, 13 blue; 11 red, 2 green, 4 blue; 11 blue, 1 green, 13 red; 3 green, 9 red, 5 blue; 1 green, 9 red, 17 blue
Game 25: 5 blue, 12 green, 4 red; 2 blue, 2 red, 9 green; 8 blue, 16 green, 4 red
Game 26: 7 blue, 2 green; 5 blue, 1 green; 1 red, 2 green; 8 blue, 1 green
Game 27: 1 blue, 4 red, 17 green; 3 red, 2 blue; 18 green, 1 blue; 3 red, 7 green; 1 green, 3 red, 3 blue
Game 28: 6 green, 1 blue, 7 red; 10 red, 9 green; 10 red, 9 green, 1 blue; 3 blue, 19 red; 12 red, 3 blue, 14 green
Game 29: 4 red, 7 green, 11 blue; 2 red, 3 green, 1 blue; 1 red, 5 blue, 18 green; 11 green, 4 red, 6 blue; 6 blue, 3 red, 11 green; 5 blue, 17 green, 2 red
Game 30: 1 red, 15 green, 1 blue; 2 blue, 1 red, 12 green; 6 red, 8 green, 1 blue; 2 blue, 4 red, 11 green; 2 blue, 5 green, 5 red
Game 31: 9 blue, 6 red, 7 green; 4 green, 2 red; 11 blue
Game 32: 15 green, 1 blue, 11 red; 1 blue, 7 red, 13 green; 2 blue, 9 green, 3 red; 2 blue, 13 red, 18 green
Game 33: 2 red, 2 green, 4 blue; 2 green, 7 blue, 4 red; 3 blue, 2 green
Game 34: 1 green, 3 red; 13 green; 2 red, 14 green; 2 blue, 14 green; 6 green, 3 red, 1 blue
Game 35: 2 blue; 8 blue, 3 green, 3 red; 15 blue, 2 red; 12 blue, 1 green; 3 blue, 2 green; 2 red, 8 blue
Game 36: 4 green, 1 red, 1 blue; 16 green, 3 red; 18 green, 4 red; 4 green
Game 37: 6 red, 1 blue, 3 green; 2 blue, 3 red, 2 green; 2 red, 1 blue, 9 green; 2 red, 8 green; 2 blue, 2 red; 1 red, 1 green, 1 blue
Game 38: 9 red, 1 green; 14 red, 1 green; 6 green, 3 red; 1 blue, 3 red, 5 green; 5 green, 12 red
Game 39: 13 blue, 2 red, 3 green; 5 green, 8 blue, 8 red; 11 blue, 7 green
Game 40: 1 green, 7 blue, 6 red; 4 green, 1 red, 5 blue; 7 blue, 2 red
Game 41: 12 red, 5 green, 6 blue; 12 blue, 7 red, 4 green; 7 green, 9 blue, 14 red; 1 green, 6 blue, 4 red; 1 blue, 6 red, 6 green
Game 42: 9 red, 2 blue, 11 green; 5 blue, 6 red, 7 green; 5 blue, 2 red, 3 green; 7 green, 7 blue, 1 red; 11 green, 12 blue, 4 red; 2 blue, 6 red, 10 green
Game 43: 8 green, 7 red, 7 blue; 7 red, 11 green, 2 blue; 17 red, 12 blue; 10 blue, 5 green, 3 red; 2 green, 4 red; 16 green, 10 red, 2 blue
Game 44: 6 blue, 16 green; 7 green, 4 blue, 6 red; 8 red, 5 blue, 7 green; 6 green, 6 red, 6 blue; 10 green, 1 red, 9 blue
Game 45: 10 blue, 4 green, 10 red; 5 green, 9 blue, 3 red; 8 blue, 9 green, 10 red; 7 green, 4 red, 3 blue; 2 blue, 5 green, 9 red
Game 46: 11 green, 1 blue, 3 red; 3 green, 4 blue, 5 red; 5 blue, 10 green, 3 red; 17 red, 4 blue, 5 green; 8 red, 1 blue, 6 green; 9 red, 9 green, 1 blue
Game 47: 2 blue, 16 green, 11 red; 1 blue, 7 green, 4 red; 1 green, 3 blue, 9 red; 2 blue, 8 green, 1 red; 14 red, 3 blue, 5 green
Game 48: 6 blue, 7 red; 2 green, 1 red, 1 blue; 2 green, 3 red, 2 blue; 5 blue, 8 red; 4 red, 5 green, 1 blue
Game 49: 7 green, 3 blue, 11 red; 5 green, 10 red, 8 blue; 6 green, 18 red; 7 green, 9 blue, 14 red; 5 green, 6 blue, 3 red
Game 50: 3 green, 1 red, 6 blue; 1 blue, 4 green, 13 red; 12 blue, 10 green, 3 red; 18 blue, 4 green, 14 red; 4 green, 6 blue, 7 red
Game 51: 2 green, 4 red; 1 green, 12 red; 1 blue, 12 red, 5 green; 1 blue, 9 red, 2 green
Game 52: 1 red, 2 green, 9 blue; 6 blue, 5 green, 3 red; 3 red, 8 blue, 4 green; 4 green, 1 blue, 4 red; 2 green, 5 blue; 2 red, 3 green, 6 blue
Game 53: 1 blue, 16 red; 8 red, 4 green; 2 green, 3 red; 2 green, 2 blue; 20 red, 4 green, 1 blue; 1 green, 15 red
Game 54: 1 red, 8 blue; 2 red, 1 green, 6 blue; 9 red, 9 blue
Game 55: 1 red, 6 green, 1 blue; 1 green, 1 red, 2 blue; 1 red, 5 blue; 1 green, 1 red; 2 green
Game 56: 8 blue, 8 green, 7 red; 3 red, 1 blue, 9 green; 4 green, 5 red, 12 blue
Game 57: 11 green, 16 blue, 5 red; 9 green, 13 blue; 16 blue, 4 red, 15 green; 17 green, 7 red, 15 blue; 1 red, 9 green, 5 blue; 18 blue
Game 58: 2 green, 2 blue, 1 red; 7 green, 3 red, 5 blue; 6 green, 1 blue, 2 red; 5 green, 4 blue; 2 blue, 6 green
Game 59: 8 green, 11 blue; 13 blue, 4 green, 3 red; 6 green, 19 blue, 14 red
Game 60: 6 red, 4 green, 4 blue; 12 green, 2 blue, 13 red; 2 green, 1 red; 3 green, 9 red; 1 red, 1 blue, 2 green
Game 61: 10 green, 1 blue, 1 red; 11 green, 7 blue; 2 red, 3 green, 6 blue
Game 62: 5 green, 7 blue, 3 red; 9 blue, 7 green, 3 red; 5 red, 2 green, 12 blue; 14 blue, 10 red, 7 green; 3 blue, 1 green, 10 red
Game 63: 1 red, 4 green, 6 blue; 2 blue, 14 red, 1 green; 1 red, 4 green, 3 blue; 1 red, 2 blue, 1 green; 4 blue, 11 red, 6 green; 3 green, 7 blue, 1 red
Game 64: 14 red, 4 green, 5 blue; 7 red, 5 green, 6 blue; 8 blue, 8 red, 1 green
Game 65: 3 blue, 6 green, 1 red; 2 blue, 10 green; 16 green, 1 blue, 1 red; 20 green
Game 66: 7 red, 4 blue; 4 blue, 8 red; 2 blue, 3 green, 7 red; 7 red, 1 green, 4 blue; 3 green, 5 red
Game 67: 2 green, 14 red, 5 blue; 20 red, 15 blue, 2 green; 15 blue, 15 red, 1 green
Game 68: 6 green, 9 red, 7 blue; 3 green, 9 red, 13 blue; 9 blue, 4 red; 2 red, 4 blue; 6 green, 9 red; 2 green, 6 blue
Game 69: 8 green, 1 blue, 11 red; 7 blue, 2 red, 11 green; 7 blue, 14 green; 2 red, 10 blue, 8 green; 14 red, 4 green, 5 blue; 16 red, 5 blue, 7 green
Game 70: 7 green, 11 red; 11 green, 2 blue; 11 green, 17 red, 8 blue; 4 green, 7 blue
Game 71: 4 blue, 4 red, 2 green; 2 green, 6 red, 5 blue; 1 green, 2 red; 2 green, 6 blue, 2 red; 2 green
Game 72: 1 green, 1 red, 1 blue; 1 green, 4 red, 1 blue; 2 green, 1 blue, 5 red; 3 red; 2 green, 1 blue, 1 red
Game 73: 10 blue, 2 green, 3 red; 13 blue, 13 green, 4 red; 2 red, 8 green; 11 green, 1 red, 1 blue; 14 green, 15 blue, 4 red
Game 74: 3 green, 1 blue, 7 red; 15 green, 4 red, 1 blue; 3 red, 6 green
Game 75: 15 red; 15 red, 4 blue; 14 red, 3 blue, 1 green; 8 red, 1 green, 2 blue; 1 green, 13 red, 1 blue
Game 76: 4 blue, 7 green, 1 red; 1 red, 1 green, 10 blue; 2 green, 3 blue; 9 green; 4 green, 11 blue; 6 blue, 3 green
Game 77: 2 red, 8 blue, 12 green; 10 green, 2 blue; 7 green, 1 blue, 4 red; 3 green, 2 red; 13 green, 4 blue, 3 red
Game 78: 8 blue, 2 green; 1 green, 5 blue, 2 red; 3 red, 3 green; 3 blue, 1 red, 5 green; 3 blue, 4 green, 3 red; 3 red
Game 79: 8 green, 5 red, 2 blue; 1 blue, 6 red; 9 green, 2 red; 1 blue, 8 green, 8 red; 6 green, 1 red; 2 red, 9 green
Game 80: 2 blue, 11 red, 15 green; 6 blue, 9 red, 19 green; 16 green, 3 red
Game 81: 15 blue, 18 red; 18 red, 2 green; 7 red, 2 green, 11 blue; 17 blue, 8 red; 8 green, 8 red; 2 red, 10 green
Game 82: 6 blue, 1 red; 2 red, 5 green, 8 blue; 3 blue, 5 green; 1 green, 2 red, 2 blue; 2 red, 4 green, 5 blue
Game 83: 1 red, 16 green, 7 blue; 1 blue, 4 red, 4 green; 4 blue, 5 red, 1 green; 1 red, 7 blue, 11 green; 6 red, 7 blue, 2 green
Game 84: 3 red, 4 green, 16 blue; 3 blue, 2 green, 2 red; 10 green, 15 blue, 3 red
Game 85: 7 red, 2 blue, 15 green; 1 red, 12 green, 6 blue; 5 red, 16 green, 1 blue; 8 blue, 10 green, 3 red; 3 blue, 2 red; 5 blue, 16 green, 4 red
Game 86: 10 red, 3 blue, 4 green; 1 red, 2 blue, 3 green; 15 red, 1 blue; 2 green, 2 red, 2 blue; 4 red, 4 green, 1 blue; 3 green, 2 red, 3 blue
Game 87: 19 blue, 2 green; 12 blue; 15 red, 2 green, 20 blue; 14 blue, 9 red; 6 blue, 3 green
Game 88: 19 green, 4 red; 2 green, 7 blue, 17 red; 7 blue, 9 green, 8 red; 9 blue, 5 red, 14 green; 11 red, 9 blue, 19 green
Game 89: 20 blue, 13 green; 4 green, 5 red, 14 blue; 3 blue; 4 green, 5 blue; 3 red, 6 blue, 7 green
Game 90: 1 blue, 12 red; 3 green, 9 blue, 8 red; 2 blue, 3 green, 10 red; 8 blue, 5 red, 1 green
Game 91: 4 blue, 2 red, 5 green; 5 blue, 5 green, 2 red; 3 blue, 14 green, 3 red; 8 green, 1 red, 8 blue; 8 green, 2 red, 3 blue; 19 green, 8 blue, 10 red
Game 92: 11 green, 8 red, 5 blue; 12 green, 14 blue, 11 red; 4 green, 16 red
Game 93: 13 blue, 3 red, 3 green; 2 green, 6 blue, 3 red; 2 red, 19 blue, 5 green
Game 94: 5 green, 7 red, 10 blue; 5 blue, 8 red, 8 green; 5 blue, 6 red, 4 green; 12 blue, 9 red, 4 green; 6 blue, 5 green, 5 red; 8 green, 10 red
Game 95: 1 red, 4 green, 10 blue; 7 blue, 5 green, 3 red; 13 blue, 2 red, 4 green
Game 96: 2 green, 1 red; 5 green, 10 blue; 3 blue, 5 green; 1 red; 2 blue, 6 green
Game 97: 6 green, 12 red, 8 blue; 4 green, 7 red, 7 blue; 1 green, 4 red, 9 blue; 7 red, 4 green; 6 blue, 10 red, 15 green
Game 98: 3 green, 5 red; 12 red, 11 green, 1 blue; 16 red, 4 green, 1 blue
Game 99: 8 blue, 7 green; 1 green, 5 red, 3 blue; 7 green, 1 red, 2 blue; 5 green, 3 red, 12 blue; 2 green, 7 blue, 3 red
Game 100: 4 blue, 1 green; 13 red, 2 blue; 16 red; 15 red, 2 blue; 9 red, 1 green, 1 blue; 7 red, 4 blue
day-02/input_test_part1.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
day-02/src/main.rs
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#![allow(dead_code)]
#[derive(Debug, Clone)]
struct Game {
id: usize,
bags: Vec<Bag>,
}
impl Game {
fn limit(&self, limit: &Bag) -> bool {
for bag in &self.bags {
if bag.red > limit.red || bag.green > limit.green || bag.blue > limit.blue {
println!("Discard game {} because of bag {:?}", self.id, bag);
return false;
}
}
true
}
}
#[derive(Debug, Clone, Default, Eq, PartialEq)]
struct Bag {
red: u32,
green: u32,
blue: u32,
}
fn parse_input(input: &str) -> Vec<Game> {
let mut games = Vec::new();
for line in input.lines() {
let mut bags = Vec::new();
let (game_part, bags_part) = line.split_once(":").unwrap();
let game_id = game_part
.strip_prefix("Game ")
.unwrap()
.parse::<usize>()
.unwrap();
for bag_input in bags_part.split(';') {
let mut bag = Bag::default();
for color_cube in bag_input
.split(',')
.map(|s| s.trim())
.collect::<Vec<&str>>()
{
let (number, color) = color_cube.split_once(' ').unwrap();
match color {
"red" => {
bag.red = number.parse::<u32>().unwrap();
}
"green" => {
bag.green = number.parse::<u32>().unwrap();
}
"blue" => {
bag.blue = number.parse::<u32>().unwrap();
}
_ => panic!("unknown color"),
}
}
bags.push(bag);
}
games.push(Game { id: game_id, bags });
}
games
}
fn part_1(input: &str) -> usize {
let games = parse_input(input);
games
.iter()
.filter(|g| {
g.limit(&Bag {
red: 12,
green: 13,
blue: 14,
})
})
.map(|g| g.id)
.sum()
}
fn main() {
let input = include_str!("../input.txt");
println!("Part 1: {}", part_1(input));
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_part_1_parse() {
let input = include_str!("../input_test_part1.txt");
let games = parse_input(input);
assert_eq!(games[0].id, 1);
assert_eq!(
games[0].bags,
vec![
Bag {
blue: 3,
red: 4,
..Bag::default()
},
Bag {
green: 2,
blue: 6,
red: 1,
},
Bag {
green: 2,
..Bag::default()
}
]
);
assert_eq!(games[1].id, 2);
assert_eq!(games[2].id, 3);
assert_eq!(games[3].id, 4);
assert_eq!(games[4].id, 5);
}
#[test]
fn test_part_1_filter() {
let input = include_str!("../input_test_part1.txt");
let games = parse_input(input);
let bag = Bag {
red: 12,
green: 13,
blue: 14,
};
assert!(games[0].limit(&bag));
assert!(games[1].limit(&bag));
assert!(!games[2].limit(&bag));
assert!(!games[3].limit(&bag));
assert!(games[4].limit(&bag));
}
#[test]
fn test_part_1() {
let input = include_str!("../input_test_part1.txt");
assert_eq!(part_1(input), 8);
}
}