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add day 2, part 1

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Christian Ulrich 2023-12-02 16:59:02 +01:00
parent 237cdcb85f
commit b63be8e6e6
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96
day02/common.rs Normal file
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// Copyright 2023 Christian Ulrich
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
use std::io;
pub struct Game {
id: u32,
red: Vec<u32>,
green: Vec<u32>,
blue: Vec<u32>,
}
pub struct Games {
inner: Vec<Game>,
}
impl Game {
pub fn from_str(input: &str) -> Result<Self, &'static str> {
let (id_part, data) = input.split_once(':').ok_or("syntax error 1")?;
let id = id_part
.split_once(' ')
.ok_or("syntax error 2")?
.1
.parse()
.map_err(|_| "syntax error 3")?;
let mut result = Self {
id: id,
red: Vec::new(),
green: Vec::new(),
blue: Vec::new(),
};
for drawing in data.split(';') {
for color in drawing.split(',').map(str::trim) {
let (count, name) = color.split_once(' ').ok_or("syntax error 4")?;
match name {
"red" => result
.red
.push(count.parse().map_err(|_| "syntax error 5")?),
"green" => result
.green
.push(count.parse().map_err(|_| "syntax error")?),
"blue" => result
.blue
.push(count.parse().map_err(|_| "syntax error 6")?),
_ => return Err("syntax error"),
}
}
}
Ok(result)
}
pub fn id(&self) -> u32 {
self.id
}
pub fn red_count(&self) -> u32 {
*self.red.iter().max().unwrap_or(&0)
}
pub fn green_count(&self) -> u32 {
*self.green.iter().max().unwrap_or(&0)
}
pub fn blue_count(&self) -> u32 {
*self.blue.iter().max().unwrap_or(&0)
}
}
impl Games {
pub fn from_stdin() -> Result<Self, &'static str> {
let mut games = Vec::new();
for line in io::stdin().lines() {
let line = line.unwrap();
if line.len() > 0 {
games.push(Game::from_str(&line)?);
}
}
Ok(Self { inner: games })
}
pub fn iter(&mut self) -> std::slice::Iter<'_, Game> {
self.inner.iter()
}
}

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day02/input Normal file
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Game 1: 4 green, 2 blue; 1 red, 1 blue, 4 green; 3 green, 4 blue, 1 red; 7 green, 2 blue, 4 red; 3 red, 7 green; 3 red, 3 green
Game 2: 1 blue, 11 red, 1 green; 3 blue, 2 red, 4 green; 11 red, 2 green, 2 blue; 13 green, 5 red, 1 blue; 4 green, 8 red, 3 blue
Game 3: 9 red, 2 blue; 4 blue, 2 green, 1 red; 7 red, 4 blue, 3 green; 3 blue, 6 red; 9 blue, 4 red; 3 red
Game 4: 5 blue, 11 green, 3 red; 6 green, 3 blue, 7 red; 17 blue, 9 green; 1 red, 5 blue, 3 green; 6 red, 7 blue, 4 green
Game 5: 3 green, 7 blue, 7 red; 6 green, 3 red, 4 blue; 7 blue, 4 red
Game 6: 1 green, 3 blue; 2 blue, 9 red; 2 green, 13 blue, 11 red; 7 red, 12 blue, 1 green
Game 7: 2 blue, 6 red, 12 green; 7 red, 8 blue, 6 green; 7 blue, 3 green, 7 red; 5 blue, 9 green, 13 red
Game 8: 13 blue, 1 green; 3 red, 9 blue; 3 red, 4 blue; 2 red, 3 blue, 1 green; 1 green, 15 blue, 4 red
Game 9: 1 green, 5 blue, 11 red; 2 red, 1 blue; 2 red, 5 blue
Game 10: 8 red, 20 green; 12 green, 1 red, 2 blue; 5 red, 3 blue, 7 green; 4 red, 19 green, 6 blue; 3 blue, 4 red, 14 green; 9 red, 15 green
Game 11: 7 green, 4 blue, 14 red; 7 red, 8 green; 6 blue, 6 red; 5 blue, 10 red, 11 green; 12 red, 2 green
Game 12: 4 blue, 5 green, 8 red; 2 green, 4 blue, 7 red; 4 blue, 3 green, 2 red; 2 red, 4 green
Game 13: 7 blue, 8 red; 5 green, 15 blue, 2 red; 7 green, 3 blue, 12 red
Game 14: 4 green, 16 red; 6 red, 2 green; 5 red, 1 blue, 3 green; 1 blue, 1 red, 2 green
Game 15: 3 green; 2 blue, 1 red, 2 green; 6 blue; 3 blue, 1 red, 2 green; 2 red, 1 green
Game 16: 13 green, 3 red; 9 green, 1 blue; 4 blue, 1 red, 18 green; 2 red, 3 blue, 7 green; 17 green, 2 red, 3 blue; 12 green, 2 red
Game 17: 2 blue, 4 green, 3 red; 2 red, 5 green, 11 blue; 5 green, 15 blue, 2 red; 3 green, 13 blue; 6 blue, 2 green, 2 red; 8 blue, 1 red
Game 18: 6 red, 4 green, 7 blue; 2 red, 3 green, 12 blue; 3 red, 6 blue, 6 green; 9 red, 10 blue; 6 green, 4 blue, 2 red; 12 red, 12 blue, 9 green
Game 19: 3 blue, 2 red, 3 green; 16 red, 3 blue, 5 green; 2 red, 6 green; 3 green, 2 blue, 15 red; 2 blue, 13 red, 1 green
Game 20: 2 blue; 1 green, 5 blue, 2 red; 3 blue, 2 red, 1 green; 1 red, 2 blue
Game 21: 15 green, 13 blue, 4 red; 9 green, 6 red, 19 blue; 6 blue, 1 green, 1 red; 1 red, 11 green, 9 blue; 3 red, 14 green, 8 blue
Game 22: 3 blue, 10 red, 1 green; 2 red, 6 green; 9 green, 3 blue, 4 red; 2 blue, 4 green
Game 23: 5 red, 2 green, 5 blue; 4 green, 12 red, 2 blue; 3 green, 8 red, 4 blue
Game 24: 1 green, 16 red, 3 blue; 10 red, 1 blue; 2 blue, 1 green, 7 red; 12 red, 1 green; 14 red, 1 green; 1 blue, 8 red, 1 green
Game 25: 8 blue, 9 red, 6 green; 2 blue, 4 green, 8 red; 1 green, 9 blue, 2 red; 14 red, 4 blue
Game 26: 4 blue, 3 green; 1 red, 3 blue; 6 red, 2 green, 6 blue; 5 green, 2 red; 5 blue, 5 green; 6 red, 1 blue
Game 27: 6 green, 9 blue; 1 red, 6 green, 8 blue; 3 green, 1 blue, 1 red; 3 red, 4 blue; 2 red, 2 blue; 4 red, 3 green, 7 blue
Game 28: 5 green, 2 blue; 5 blue; 1 red, 4 blue, 3 green; 1 green, 2 red
Game 29: 1 green, 2 red, 4 blue; 1 green, 2 red, 1 blue; 9 red, 6 blue
Game 30: 1 green, 1 red, 5 blue; 13 blue, 4 green, 2 red; 10 green, 11 blue; 9 green, 2 red, 12 blue
Game 31: 4 red, 5 blue; 8 blue, 1 red, 1 green; 4 red, 5 green; 3 green; 9 blue, 2 red, 7 green
Game 32: 5 blue, 4 red, 5 green; 10 red, 10 green, 5 blue; 10 red, 12 green, 6 blue; 8 red, 1 blue, 13 green; 6 green, 14 red, 2 blue
Game 33: 9 green, 6 red, 4 blue; 1 red, 2 blue, 13 green; 4 red, 4 green, 5 blue
Game 34: 1 blue, 1 red; 9 green, 14 red, 1 blue; 3 blue, 7 green
Game 35: 1 red, 11 green, 5 blue; 1 red, 5 blue, 17 green; 19 green, 6 blue; 4 green, 7 blue; 10 blue, 7 green
Game 36: 9 green, 6 blue, 4 red; 8 blue, 13 green, 1 red; 5 blue, 5 green; 15 green, 1 red
Game 37: 1 green, 9 red, 1 blue; 14 green; 11 green, 6 red
Game 38: 2 blue; 9 green, 1 blue, 8 red; 4 green, 1 blue, 3 red
Game 39: 7 red, 7 blue; 3 green, 6 blue, 2 red; 3 green, 4 red
Game 40: 5 blue, 2 red, 6 green; 6 blue, 10 green, 4 red; 8 green, 6 blue; 3 green, 2 blue; 2 red, 14 green
Game 41: 5 red, 14 blue, 3 green; 3 red, 3 blue, 7 green; 19 blue, 15 green, 6 red; 5 green, 18 blue; 1 green, 7 red, 9 blue; 14 green, 10 blue, 1 red
Game 42: 2 red, 3 green; 2 blue, 3 red; 15 green, 1 blue; 2 blue, 15 green, 1 red; 7 red, 15 green
Game 43: 4 green, 6 red, 9 blue; 4 green, 3 red, 18 blue; 6 green, 7 blue; 4 red, 7 blue; 8 blue, 7 green, 1 red; 5 red, 14 blue
Game 44: 2 green, 11 blue; 1 green, 5 red, 8 blue; 4 green, 17 blue, 4 red
Game 45: 6 blue, 3 green, 2 red; 8 green, 12 blue, 3 red; 13 blue, 11 green; 13 blue, 9 green; 2 blue, 3 green, 3 red; 2 blue, 10 green
Game 46: 14 blue, 12 green, 3 red; 2 green, 1 red, 10 blue; 5 red, 7 green
Game 47: 15 blue, 1 red; 1 red, 14 blue; 1 red, 16 blue; 3 green, 8 blue
Game 48: 1 green, 3 blue, 1 red; 8 blue, 2 red, 8 green; 14 red, 4 green, 11 blue
Game 49: 6 red, 5 blue, 2 green; 3 red, 11 blue; 1 blue, 14 green, 6 red
Game 50: 7 red, 7 blue; 7 blue, 7 red; 13 blue, 1 green, 2 red; 7 green, 5 red, 9 blue
Game 51: 4 blue, 9 red, 1 green; 16 red; 2 blue, 6 red; 11 red, 6 blue
Game 52: 4 green, 4 blue, 9 red; 5 blue, 4 red, 16 green; 16 green, 3 red
Game 53: 2 green, 12 red; 2 red, 5 green, 15 blue; 9 blue, 17 red, 9 green; 2 blue, 6 red, 4 green
Game 54: 2 red, 3 blue, 5 green; 8 green, 3 blue; 9 green, 3 blue, 3 red; 1 blue, 4 green
Game 55: 6 green, 11 blue, 12 red; 10 blue, 6 red, 13 green; 7 green, 9 blue; 10 green, 20 red, 7 blue; 9 green, 14 red, 8 blue; 14 green, 15 red
Game 56: 1 green, 8 red, 1 blue; 1 green, 3 blue, 13 red; 5 red, 3 blue; 5 blue, 16 red; 12 red, 4 blue
Game 57: 7 green, 5 blue; 13 blue; 1 red, 11 green, 4 blue; 1 red, 7 green, 5 blue
Game 58: 14 blue, 6 green, 9 red; 7 blue, 1 green, 11 red; 3 red, 9 blue, 6 green; 4 green, 2 red; 2 blue, 6 green; 11 blue, 1 red
Game 59: 6 red, 1 blue, 5 green; 4 green; 15 green; 7 red, 1 blue, 12 green; 7 red, 1 blue, 3 green
Game 60: 3 blue, 6 red, 2 green; 7 green, 6 red, 4 blue; 3 green, 1 red, 4 blue; 3 red, 1 green; 9 red, 5 green, 4 blue
Game 61: 1 green, 3 blue; 1 red, 2 green; 1 green, 2 blue, 2 red
Game 62: 10 green, 15 blue, 14 red; 11 blue, 11 red, 16 green; 5 red, 5 green, 12 blue
Game 63: 2 blue, 5 red; 7 blue, 2 green, 2 red; 2 red, 1 blue
Game 64: 9 blue, 12 red, 4 green; 5 blue, 13 red; 1 red, 2 green, 7 blue
Game 65: 4 blue, 8 red; 13 green, 8 blue, 5 red; 1 green, 5 blue, 7 red; 11 red, 7 blue, 10 green
Game 66: 8 red, 17 blue; 1 green, 9 red, 7 blue; 12 red
Game 67: 14 blue, 12 green, 3 red; 12 green; 9 green, 13 red, 15 blue; 2 red, 10 green, 1 blue
Game 68: 11 blue, 14 green; 14 green; 9 blue, 7 green, 1 red; 9 blue, 7 green; 17 green, 2 blue; 4 green, 4 blue
Game 69: 4 blue, 14 green, 6 red; 11 red, 7 green, 10 blue; 4 red, 8 blue, 8 green; 7 green, 6 red, 7 blue
Game 70: 12 red, 16 green, 11 blue; 16 green, 15 blue, 5 red; 10 blue, 1 red, 12 green; 9 red, 8 blue, 4 green; 2 green, 8 red, 3 blue
Game 71: 8 red, 1 blue, 5 green; 12 green, 7 red; 11 green, 1 blue, 7 red
Game 72: 5 green, 15 red; 7 green, 3 red, 4 blue; 10 red, 1 green; 6 blue, 15 red, 3 green
Game 73: 1 green, 5 red, 1 blue; 6 red, 3 blue, 6 green; 11 red, 1 blue
Game 74: 5 red; 1 blue, 3 green, 3 red; 2 green, 7 red; 1 blue, 2 red; 3 red, 1 green
Game 75: 13 blue, 20 red, 10 green; 3 green, 5 blue, 14 red; 9 red, 13 green, 7 blue; 1 blue, 15 red, 2 green; 11 blue, 2 green, 17 red; 11 red, 13 blue, 13 green
Game 76: 9 red, 7 green, 2 blue; 7 red, 2 blue, 8 green; 4 blue, 3 red, 9 green; 4 red, 1 green; 1 red, 2 green, 3 blue
Game 77: 5 red, 2 green, 15 blue; 12 green, 4 red, 2 blue; 10 blue, 6 red, 9 green; 7 blue, 3 green; 16 blue, 4 red, 5 green
Game 78: 11 blue, 3 green, 19 red; 3 blue, 1 red; 8 red, 14 blue, 3 green; 8 blue, 8 green, 16 red; 8 blue, 14 red; 12 blue, 11 red, 2 green
Game 79: 10 blue, 5 red, 1 green; 3 blue, 13 red; 15 red, 1 green; 4 red, 6 blue, 1 green; 1 green, 6 blue
Game 80: 7 red, 1 green, 1 blue; 1 blue, 4 red, 3 green; 2 red, 2 green; 7 red, 1 blue, 1 green; 2 red, 1 green, 3 blue
Game 81: 12 green, 2 red, 8 blue; 1 green, 1 blue, 1 red; 7 blue, 1 red, 11 green; 1 red, 12 blue, 4 green
Game 82: 18 red, 5 blue, 4 green; 6 green, 11 red; 11 green, 18 red, 5 blue; 4 green, 17 red, 4 blue; 5 blue, 14 red, 15 green
Game 83: 4 red, 6 blue, 6 green; 9 red, 4 green; 8 green, 7 blue; 2 blue, 9 red, 13 green; 2 blue, 9 green, 11 red
Game 84: 15 blue; 4 green, 1 red, 15 blue; 2 green, 16 blue; 3 green, 14 blue; 16 blue
Game 85: 3 red, 7 green, 8 blue; 3 blue, 17 green, 7 red; 13 green, 4 blue; 6 blue, 8 green
Game 86: 16 green, 6 blue; 12 blue, 9 red, 11 green; 17 green, 4 blue, 8 red
Game 87: 6 blue, 3 green, 13 red; 13 blue; 12 red, 2 green, 1 blue
Game 88: 6 red, 2 blue; 16 red, 13 blue, 1 green; 2 green, 11 blue, 2 red; 12 blue, 9 red, 1 green; 5 blue, 2 red, 2 green; 18 red, 3 blue
Game 89: 6 green, 5 blue; 4 green, 4 blue; 3 red, 5 blue
Game 90: 3 green, 8 blue; 2 green, 7 blue, 9 red; 8 red, 2 blue, 4 green; 1 green, 3 red, 7 blue; 4 blue, 4 green, 2 red; 9 red, 3 blue, 3 green
Game 91: 9 red, 12 green, 1 blue; 11 green, 9 red, 2 blue; 1 blue, 8 red, 4 green; 6 red, 9 green; 2 blue, 10 red, 1 green; 2 blue, 15 green, 13 red
Game 92: 3 green, 11 red, 16 blue; 8 blue, 1 red, 6 green; 4 green, 1 red, 5 blue
Game 93: 9 blue, 3 red, 13 green; 2 red, 9 blue; 3 blue, 17 green, 5 red; 4 green, 8 blue
Game 94: 2 blue, 3 red, 9 green; 4 blue, 1 red, 6 green; 8 green, 2 blue; 4 green, 2 blue, 7 red
Game 95: 5 green, 3 blue; 4 blue, 3 green, 8 red; 3 green, 4 red, 3 blue; 2 blue, 4 red; 9 blue, 5 red, 3 green
Game 96: 11 green; 10 green, 5 blue, 11 red; 5 blue, 13 red, 15 green; 10 green, 1 blue, 11 red
Game 97: 5 green, 6 blue, 1 red; 7 green, 1 red; 5 blue; 3 blue, 1 red
Game 98: 1 blue, 5 green, 7 red; 3 red, 5 green, 1 blue; 4 blue, 8 green, 2 red; 4 green, 1 blue, 6 red
Game 99: 12 blue, 8 green; 2 green; 3 red, 7 green, 5 blue; 1 green, 1 blue, 2 red
Game 100: 4 blue, 14 red; 12 red, 1 blue; 2 red, 2 blue; 8 red; 14 red, 2 blue, 1 green; 3 blue

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day02/part1.rs Normal file
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// Copyright 2023 Christian Ulrich
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// usage: ./part1 < input
pub mod common;
use common::Games;
fn main() -> Result<(), &'static str> {
let mut result = 0;
for game in Games::from_stdin()?.iter() {
if game.red_count() <= 12 && game.green_count() <= 13 && game.blue_count() <= 14 {
result += game.id();
}
}
println!("{result}");
Ok(())
}

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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