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Day 2

This commit is contained in:
Shadowfacts 2023-12-02 00:21:59 -05:00
parent d923633a58
commit a084977819
3 changed files with 204 additions and 1 deletions
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100
input/day2.txt Normal file
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Game 1: 1 red, 5 blue, 10 green; 5 green, 6 blue, 12 red; 4 red, 10 blue, 4 green
Game 2: 2 green, 1 blue; 1 red, 2 green; 3 red, 1 blue; 2 blue, 1 green, 8 red; 1 green, 10 red; 10 red
Game 3: 14 red, 9 green, 5 blue; 2 green, 5 red, 7 blue; 1 blue, 14 green; 6 green, 2 red
Game 4: 2 green, 3 blue, 9 red; 1 red, 1 green; 4 red, 4 blue; 1 blue, 19 red; 7 red
Game 5: 1 green, 10 blue, 4 red; 15 green, 4 red, 5 blue; 14 blue, 14 green, 2 red; 15 green, 7 blue, 1 red; 2 red, 9 green, 17 blue
Game 6: 2 red, 2 blue, 4 green; 3 red, 13 blue, 9 green; 1 red, 14 blue, 3 green; 9 green, 11 blue, 3 red; 6 blue, 2 green
Game 7: 11 green, 6 blue, 6 red; 2 blue, 3 red, 9 green; 3 red, 5 blue, 5 green; 6 red, 5 green, 3 blue; 9 red, 6 blue
Game 8: 11 blue, 3 red; 3 blue, 2 green, 13 red; 11 red, 7 blue, 1 green
Game 9: 2 green, 1 blue, 3 red; 9 green, 4 red; 7 red, 5 green; 4 red, 1 blue; 11 green, 16 red; 2 red, 6 green
Game 10: 1 red, 4 blue, 1 green; 7 green, 3 red, 1 blue; 5 blue, 7 red
Game 11: 1 red, 11 blue, 7 green; 6 green, 2 blue, 12 red; 8 blue, 7 green, 5 red
Game 12: 11 red, 5 blue, 4 green; 8 blue, 15 red, 5 green; 9 blue, 11 green, 1 red; 6 blue, 3 red, 9 green; 5 red, 2 blue, 1 green
Game 13: 5 red, 2 blue, 7 green; 1 red, 8 green; 6 green, 4 red
Game 14: 1 green, 2 blue, 2 red; 5 red, 1 blue, 2 green; 4 red, 1 blue
Game 15: 6 green, 1 red; 4 red, 5 blue, 6 green; 1 green, 3 blue, 4 red; 5 green, 8 red
Game 16: 16 red, 10 blue, 3 green; 9 blue, 13 green, 5 red; 14 green, 2 blue, 2 red; 3 blue, 1 green, 1 red; 2 green, 4 blue, 8 red; 1 blue, 17 red, 9 green
Game 17: 6 red, 1 blue, 15 green; 5 red, 5 green; 16 green, 5 red, 4 blue; 5 red, 8 green, 2 blue; 12 blue, 13 green, 3 red
Game 18: 17 green, 5 blue; 2 green, 14 red; 10 green, 9 red, 10 blue; 6 red, 11 green, 6 blue
Game 19: 12 green, 2 blue, 4 red; 1 blue, 16 red; 8 green, 2 blue, 14 red
Game 20: 1 red, 4 green; 5 red, 4 green; 4 green, 1 red; 5 red, 1 blue, 3 green
Game 21: 15 red, 5 blue, 12 green; 10 green, 12 red, 1 blue; 9 red, 14 blue, 1 green; 2 green, 13 red, 7 blue; 12 blue, 11 red, 12 green
Game 22: 8 blue, 3 red; 2 green, 4 red, 3 blue; 1 blue, 2 red, 1 green; 13 blue, 4 red, 2 green
Game 23: 3 blue, 5 green, 3 red; 4 green, 9 red; 3 red, 2 green; 2 blue, 3 green, 2 red; 2 green, 3 blue, 5 red
Game 24: 15 red, 1 green; 1 blue, 14 red, 1 green; 5 green, 14 red; 4 blue, 1 red, 3 green; 1 blue, 4 green, 3 red
Game 25: 3 green, 3 red; 8 green, 1 red, 2 blue; 1 blue, 11 green
Game 26: 3 red, 12 green, 15 blue; 15 blue, 2 red, 2 green; 2 red, 18 blue; 3 red, 14 blue, 7 green
Game 27: 6 green, 15 red, 10 blue; 6 green, 7 red, 4 blue; 14 blue, 12 red, 7 green; 8 red, 14 blue, 17 green; 15 red, 14 blue, 4 green; 5 red, 1 blue, 5 green
Game 28: 5 blue, 3 green; 3 green, 2 blue, 4 red; 8 green, 6 red; 4 red, 2 green, 5 blue; 1 blue, 5 red, 5 green; 1 red, 4 blue, 9 green
Game 29: 4 blue, 9 red, 12 green; 2 red, 14 blue, 13 green; 2 red, 10 green; 5 green, 14 blue, 9 red
Game 30: 3 red, 3 blue, 13 green; 2 blue, 10 green, 4 red; 2 blue, 5 green, 4 red
Game 31: 13 green, 3 red, 8 blue; 15 green; 4 blue, 1 red; 8 red, 4 green, 2 blue; 18 blue, 4 red, 9 green
Game 32: 3 blue, 8 red, 16 green; 2 blue, 13 red, 18 green; 8 red, 9 green
Game 33: 1 red, 7 green, 3 blue; 10 green, 10 red, 10 blue; 5 blue, 8 red, 14 green; 10 blue, 5 green, 2 red; 10 green, 10 red, 16 blue
Game 34: 3 blue, 1 green, 6 red; 2 blue, 5 red; 3 blue, 2 red, 9 green
Game 35: 5 blue, 2 green, 1 red; 7 blue, 3 red, 7 green; 13 green, 4 blue, 3 red; 1 blue, 9 green; 1 red, 13 green, 3 blue
Game 36: 1 red, 1 blue, 13 green; 1 green; 2 blue, 16 green; 3 blue, 17 green, 1 red; 4 blue, 1 red; 5 blue, 1 red
Game 37: 5 red, 8 green, 1 blue; 16 blue, 2 red; 7 blue, 7 red, 6 green; 2 blue, 6 green, 4 red; 4 green, 3 red, 5 blue; 3 green, 9 blue, 3 red
Game 38: 7 green, 3 red, 2 blue; 1 blue, 1 green, 1 red; 15 blue; 4 red, 11 blue; 1 red, 1 green, 2 blue
Game 39: 20 red, 4 blue, 7 green; 11 red, 16 green, 7 blue; 7 red, 15 green, 11 blue; 10 red, 9 blue, 13 green; 12 red, 12 blue, 17 green
Game 40: 5 blue, 4 green; 1 red, 1 blue, 9 green; 9 green, 6 blue, 1 red; 6 blue, 4 green, 1 red
Game 41: 2 blue; 2 blue, 1 green; 4 green, 2 red, 1 blue
Game 42: 7 blue, 12 green, 1 red; 8 blue, 3 green, 1 red; 3 red, 1 blue, 10 green; 7 green, 15 blue
Game 43: 3 blue, 19 green, 7 red; 14 blue, 8 green, 8 red; 2 red, 1 green, 5 blue; 8 red, 8 blue, 17 green; 1 blue, 10 red, 18 green; 4 green, 11 red, 8 blue
Game 44: 12 blue, 4 green; 9 blue, 1 green, 2 red; 2 red, 3 blue, 3 green; 1 red, 4 green, 14 blue
Game 45: 2 red, 1 blue, 7 green; 5 red, 5 green, 1 blue; 2 blue, 6 red, 5 green; 3 green, 2 blue; 6 red, 1 blue; 5 green, 4 red, 1 blue
Game 46: 2 blue, 3 green, 2 red; 1 blue, 4 green, 5 red; 4 green, 3 blue, 6 red
Game 47: 10 green, 12 blue; 3 red, 8 blue, 8 green; 1 green, 10 blue, 2 red; 4 blue, 4 green
Game 48: 5 green, 11 blue, 4 red; 2 blue, 5 green, 7 red; 16 red, 2 green, 5 blue; 2 red, 1 green, 10 blue
Game 49: 11 blue, 5 red, 7 green; 15 green, 9 blue; 3 red, 4 green, 6 blue; 2 green, 14 blue, 6 red; 2 red, 11 green, 4 blue; 12 blue, 10 green
Game 50: 1 red, 13 blue, 4 green; 2 green, 1 red, 6 blue; 6 green, 14 blue
Game 51: 5 blue, 9 green, 1 red; 17 blue, 1 red; 11 green, 13 blue; 7 green, 13 blue; 2 blue, 4 green; 7 blue, 5 green
Game 52: 17 green, 3 blue; 15 green, 5 blue, 1 red; 12 green, 1 red, 4 blue; 1 red, 10 blue, 16 green; 12 green, 6 blue, 1 red
Game 53: 4 red; 2 green, 5 blue, 5 red; 3 red, 5 blue
Game 54: 5 red, 1 green; 16 green, 14 blue, 10 red; 1 red, 15 blue, 15 green
Game 55: 5 green, 14 red; 9 red, 6 green, 1 blue; 9 green, 4 red, 1 blue; 3 green, 1 blue, 7 red; 1 blue, 1 red, 2 green
Game 56: 2 red, 2 blue; 8 red, 5 blue; 6 blue, 1 green, 4 red
Game 57: 1 blue, 1 red; 2 green, 8 red; 7 red, 2 green; 2 blue, 5 green, 5 red
Game 58: 18 blue, 1 red, 6 green; 1 red, 8 green; 5 blue, 7 green; 4 blue, 2 green; 8 blue, 4 green
Game 59: 10 red, 3 blue; 10 red, 3 green, 4 blue; 3 blue, 1 green; 4 red, 3 green, 6 blue; 5 red, 3 green, 5 blue
Game 60: 8 red, 7 green; 11 green, 14 red; 11 red, 1 blue, 7 green; 1 blue, 18 red; 10 red, 12 green, 1 blue
Game 61: 11 blue, 6 green, 1 red; 6 red, 12 green, 6 blue; 14 blue, 6 red; 11 blue, 3 red, 6 green
Game 62: 7 blue, 4 green, 5 red; 2 green, 4 red, 7 blue; 4 red; 1 blue, 5 red
Game 63: 7 green, 10 blue, 11 red; 13 red, 19 blue; 11 green, 11 red; 8 green, 18 blue, 4 red; 5 green, 19 blue, 12 red; 10 green, 6 blue, 2 red
Game 64: 1 green, 5 red; 4 green, 13 blue, 6 red; 5 green, 2 red, 13 blue
Game 65: 1 blue, 2 green, 5 red; 13 red, 4 green, 3 blue; 8 red; 3 green, 1 red; 6 red, 4 green, 2 blue
Game 66: 2 green, 15 red; 3 green, 12 red; 2 blue, 2 green, 4 red; 4 blue, 8 red; 1 green, 4 blue, 14 red; 2 blue, 2 green, 6 red
Game 67: 3 green, 5 blue, 1 red; 5 green, 6 red, 3 blue; 13 red, 9 green, 8 blue; 11 green, 15 red, 3 blue; 16 red, 8 blue, 17 green; 8 green, 5 red
Game 68: 1 red, 3 green; 1 blue; 2 green; 3 red, 1 blue; 1 green, 3 red, 2 blue
Game 69: 2 red, 13 green, 3 blue; 3 red, 2 blue, 7 green; 2 blue, 3 red, 9 green; 7 blue, 1 red, 4 green; 6 red, 14 blue, 2 green; 1 green, 2 red, 14 blue
Game 70: 5 blue, 2 green, 1 red; 1 blue, 6 red, 4 green; 4 red, 2 blue, 6 green; 4 red, 2 blue, 8 green; 4 green, 1 blue
Game 71: 7 green, 3 blue; 2 red, 4 green, 6 blue; 2 red, 5 blue; 1 blue, 5 green
Game 72: 20 green, 4 red; 13 green, 12 blue, 7 red; 15 blue, 16 red, 7 green; 14 green, 13 red, 2 blue; 11 green, 6 red, 8 blue; 10 green, 13 red
Game 73: 10 blue, 13 green, 3 red; 3 red, 16 green, 7 blue; 5 blue, 6 green, 2 red; 4 green, 1 blue, 2 red
Game 74: 2 green, 7 red, 1 blue; 8 red, 10 green; 5 red, 5 blue
Game 75: 4 green, 13 blue, 5 red; 1 red, 2 green, 3 blue; 2 red, 7 green, 14 blue; 1 red, 2 green, 2 blue; 13 blue, 5 red
Game 76: 10 blue, 3 green, 6 red; 12 blue, 1 red, 3 green; 13 green, 16 blue, 4 red
Game 77: 7 green, 4 red, 4 blue; 6 red; 6 red, 4 green, 9 blue; 1 red, 2 blue
Game 78: 3 blue, 11 green; 12 green; 10 green, 4 red, 6 blue
Game 79: 8 green, 12 red, 9 blue; 4 green, 6 blue, 1 red; 9 blue, 4 green; 6 blue, 7 green, 11 red; 11 blue, 18 red, 7 green; 4 green, 11 red, 1 blue
Game 80: 9 green, 1 red, 7 blue; 3 red, 15 blue, 9 green; 3 blue, 1 red, 5 green; 10 red, 15 blue, 3 green
Game 81: 2 red, 3 blue, 2 green; 1 green, 4 blue, 5 red; 7 red, 8 blue; 2 green, 2 blue, 8 red
Game 82: 6 blue, 4 red, 1 green; 1 green, 4 red, 9 blue; 3 green, 8 blue; 3 red, 3 blue; 8 blue, 2 green
Game 83: 2 red, 1 green, 3 blue; 6 blue, 3 red; 2 red, 1 green, 4 blue
Game 84: 1 blue, 10 green; 13 red, 8 green, 4 blue; 7 red, 1 green, 4 blue
Game 85: 7 red, 7 green, 1 blue; 1 red, 5 green, 2 blue; 16 red, 10 green, 4 blue; 1 blue, 12 green, 3 red
Game 86: 15 red, 7 blue, 1 green; 19 blue, 3 red; 2 blue, 1 green, 4 red
Game 87: 9 green; 5 red, 8 green, 1 blue; 1 blue, 5 red, 7 green
Game 88: 16 red, 3 green, 2 blue; 1 blue, 6 green, 14 red; 12 blue, 17 red; 11 blue, 13 red, 5 green; 2 blue, 20 red, 3 green; 9 red, 8 blue, 2 green
Game 89: 7 green, 3 blue, 6 red; 4 green, 7 blue, 5 red; 6 green, 3 red, 7 blue; 5 green, 3 red, 8 blue; 6 red, 9 blue, 11 green
Game 90: 11 green, 4 red, 5 blue; 7 green, 2 red, 1 blue; 4 red, 1 green, 8 blue
Game 91: 2 green, 7 red, 5 blue; 18 red, 3 green, 3 blue; 6 red, 2 blue, 5 green; 6 red, 5 blue, 3 green; 7 green, 6 blue, 8 red
Game 92: 4 red; 3 red, 5 green, 1 blue; 3 red, 2 blue, 2 green
Game 93: 2 green, 15 red, 10 blue; 3 red, 8 blue; 20 red, 5 blue, 2 green; 11 blue, 2 green, 20 red; 7 blue, 18 red
Game 94: 1 red, 4 green, 2 blue; 7 green, 9 red, 2 blue; 3 red, 3 green, 1 blue; 8 red, 2 blue, 2 green; 2 red, 8 green, 2 blue; 5 green, 8 red
Game 95: 2 blue, 4 red; 1 blue, 3 green, 4 red; 5 green, 3 red, 4 blue; 1 green, 4 red, 6 blue
Game 96: 1 green, 1 blue, 2 red; 1 red, 13 blue, 4 green; 3 red, 14 blue, 15 green
Game 97: 3 green, 7 red; 2 red, 3 green, 1 blue; 4 green, 1 blue, 4 red; 1 red
Game 98: 9 blue, 8 red, 3 green; 10 blue, 3 red; 7 blue, 2 green, 7 red; 4 red, 11 blue, 3 green; 8 red, 9 blue, 2 green
Game 99: 5 green, 8 blue; 3 blue, 4 red, 16 green; 1 green, 5 red, 6 blue
Game 100: 6 blue, 9 green; 3 green, 6 blue; 5 blue, 1 red

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src/day02.rs Normal file
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use std::collections::HashMap;
use regex::Regex;
pub fn run() {
let input = include_str!("../input/day2.txt");
// let input = r#"
// 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
// "#;
let games = parse_games(input);
let valid_ids_sum: u32 = games
.iter()
.filter(|g| g.valid_counts(12, 13, 14))
.map(|g| g.id)
.sum();
dbg!(valid_ids_sum);
let min_counts_power_sum: u32 = games
.iter()
.map(|g| {
let (r, g, b) = g.min_counts();
r * g * b
})
.sum();
dbg!(min_counts_power_sum);
}
fn parse_games(s: &str) -> Vec<Game> {
let mut games = vec![];
for l in s.lines() {
let l = l.trim();
if l.is_empty() {
continue;
}
let (game_s, rest) = l.split_once(": ").unwrap();
let game_n: u32 = game_s
.strip_prefix("Game ")
.expect("game prefix")
.parse()
.expect("game number");
let mut draws = vec![];
for draw in rest.split(";") {
let drawn = draw
.split(", ")
.map(|s| {
let (count, color) = s.trim().split_once(" ").unwrap();
let count: u32 = count.parse().expect("count number");
(color, count)
})
.collect::<HashMap<_, _>>();
draws.push(Draw {
red: *drawn.get("red").unwrap_or(&0),
green: *drawn.get("green").unwrap_or(&0),
blue: *drawn.get("blue").unwrap_or(&0),
});
}
games.push(Game { id: game_n, draws });
}
games
}
#[derive(Debug, Clone)]
struct Game {
id: u32,
draws: Vec<Draw>,
}
#[derive(Debug, Copy, Clone)]
struct Draw {
red: u32,
green: u32,
blue: u32,
}
impl Game {
fn valid_counts(&self, red: u32, green: u32, blue: u32) -> bool {
self.draws
.iter()
.all(|draw| draw.red <= red && draw.green <= green && draw.blue <= blue)
}
fn min_counts(&self) -> (u32, u32, u32) {
let mut red = 0u32;
let mut green = 0u32;
let mut blue = 0u32;
for draw in self.draws.iter() {
red = red.max(draw.red);
green = green.max(draw.green);
blue = blue.max(draw.blue);
}
(red, green, blue)
}
}

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src/main.rs
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#![allow(unused_imports)]
#![allow(dead_code)]
mod day01;
mod day02;
fn main() {
day01::run();
day02::run();
}