From b63be8e6e61ad3cc2f984fc31cc214ccb29c9859 Mon Sep 17 00:00:00 2001 From: Christian Ulrich Date: Sat, 2 Dec 2023 16:59:02 +0100 Subject: [PATCH] add day 2, part 1 --- day02/common.rs | 96 +++++++++++++++++++++++++++++++++++++++++++++ day02/input | 101 ++++++++++++++++++++++++++++++++++++++++++++++++ day02/part1.rs | 31 +++++++++++++++ day02/testinput | 5 +++ 4 files changed, 233 insertions(+) create mode 100644 day02/common.rs create mode 100644 day02/input create mode 100644 day02/part1.rs create mode 100644 day02/testinput diff --git a/day02/common.rs b/day02/common.rs new file mode 100644 index 0000000..83a41fe --- /dev/null +++ b/day02/common.rs @@ -0,0 +1,96 @@ +// 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 . + +use std::io; + +pub struct Game { + id: u32, + red: Vec, + green: Vec, + blue: Vec, +} + +pub struct Games { + inner: Vec, +} + +impl Game { + pub fn from_str(input: &str) -> Result { + 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 { + 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() + } +} diff --git a/day02/input b/day02/input new file mode 100644 index 0000000..ac944bb --- /dev/null +++ b/day02/input @@ -0,0 +1,101 @@ +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 + diff --git a/day02/part1.rs b/day02/part1.rs new file mode 100644 index 0000000..659221a --- /dev/null +++ b/day02/part1.rs @@ -0,0 +1,31 @@ +// 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 . +// +// 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(()) +} diff --git a/day02/testinput b/day02/testinput new file mode 100644 index 0000000..295c36d --- /dev/null +++ b/day02/testinput @@ -0,0 +1,5 @@ +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