add day 2, part 1
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// Copyright 2023 Christian Ulrich
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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use std::io;
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pub struct Game {
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id: u32,
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red: Vec<u32>,
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green: Vec<u32>,
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blue: Vec<u32>,
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}
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pub struct Games {
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inner: Vec<Game>,
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}
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impl Game {
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pub fn from_str(input: &str) -> Result<Self, &'static str> {
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let (id_part, data) = input.split_once(':').ok_or("syntax error 1")?;
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let id = id_part
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.split_once(' ')
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.ok_or("syntax error 2")?
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.1
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.parse()
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.map_err(|_| "syntax error 3")?;
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let mut result = Self {
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id: id,
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red: Vec::new(),
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green: Vec::new(),
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blue: Vec::new(),
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};
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for drawing in data.split(';') {
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for color in drawing.split(',').map(str::trim) {
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let (count, name) = color.split_once(' ').ok_or("syntax error 4")?;
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match name {
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"red" => result
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.red
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.push(count.parse().map_err(|_| "syntax error 5")?),
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"green" => result
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.green
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.push(count.parse().map_err(|_| "syntax error")?),
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"blue" => result
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.blue
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.push(count.parse().map_err(|_| "syntax error 6")?),
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_ => return Err("syntax error"),
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}
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}
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}
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Ok(result)
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}
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pub fn id(&self) -> u32 {
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self.id
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}
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pub fn red_count(&self) -> u32 {
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*self.red.iter().max().unwrap_or(&0)
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}
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pub fn green_count(&self) -> u32 {
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*self.green.iter().max().unwrap_or(&0)
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}
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pub fn blue_count(&self) -> u32 {
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*self.blue.iter().max().unwrap_or(&0)
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}
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}
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impl Games {
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pub fn from_stdin() -> Result<Self, &'static str> {
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let mut games = Vec::new();
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for line in io::stdin().lines() {
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let line = line.unwrap();
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if line.len() > 0 {
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games.push(Game::from_str(&line)?);
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}
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}
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Ok(Self { inner: games })
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}
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pub fn iter(&mut self) -> std::slice::Iter<'_, Game> {
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self.inner.iter()
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}
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}
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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
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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
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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
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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
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Game 5: 3 green, 7 blue, 7 red; 6 green, 3 red, 4 blue; 7 blue, 4 red
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Game 6: 1 green, 3 blue; 2 blue, 9 red; 2 green, 13 blue, 11 red; 7 red, 12 blue, 1 green
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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
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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
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Game 9: 1 green, 5 blue, 11 red; 2 red, 1 blue; 2 red, 5 blue
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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
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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
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Game 12: 4 blue, 5 green, 8 red; 2 green, 4 blue, 7 red; 4 blue, 3 green, 2 red; 2 red, 4 green
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Game 13: 7 blue, 8 red; 5 green, 15 blue, 2 red; 7 green, 3 blue, 12 red
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Game 14: 4 green, 16 red; 6 red, 2 green; 5 red, 1 blue, 3 green; 1 blue, 1 red, 2 green
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Game 15: 3 green; 2 blue, 1 red, 2 green; 6 blue; 3 blue, 1 red, 2 green; 2 red, 1 green
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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
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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
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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
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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
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Game 20: 2 blue; 1 green, 5 blue, 2 red; 3 blue, 2 red, 1 green; 1 red, 2 blue
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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
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Game 22: 3 blue, 10 red, 1 green; 2 red, 6 green; 9 green, 3 blue, 4 red; 2 blue, 4 green
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Game 23: 5 red, 2 green, 5 blue; 4 green, 12 red, 2 blue; 3 green, 8 red, 4 blue
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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
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Game 25: 8 blue, 9 red, 6 green; 2 blue, 4 green, 8 red; 1 green, 9 blue, 2 red; 14 red, 4 blue
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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
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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
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Game 28: 5 green, 2 blue; 5 blue; 1 red, 4 blue, 3 green; 1 green, 2 red
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Game 29: 1 green, 2 red, 4 blue; 1 green, 2 red, 1 blue; 9 red, 6 blue
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Game 30: 1 green, 1 red, 5 blue; 13 blue, 4 green, 2 red; 10 green, 11 blue; 9 green, 2 red, 12 blue
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Game 31: 4 red, 5 blue; 8 blue, 1 red, 1 green; 4 red, 5 green; 3 green; 9 blue, 2 red, 7 green
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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
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Game 33: 9 green, 6 red, 4 blue; 1 red, 2 blue, 13 green; 4 red, 4 green, 5 blue
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Game 34: 1 blue, 1 red; 9 green, 14 red, 1 blue; 3 blue, 7 green
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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
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Game 36: 9 green, 6 blue, 4 red; 8 blue, 13 green, 1 red; 5 blue, 5 green; 15 green, 1 red
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Game 37: 1 green, 9 red, 1 blue; 14 green; 11 green, 6 red
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Game 38: 2 blue; 9 green, 1 blue, 8 red; 4 green, 1 blue, 3 red
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Game 39: 7 red, 7 blue; 3 green, 6 blue, 2 red; 3 green, 4 red
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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
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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
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Game 42: 2 red, 3 green; 2 blue, 3 red; 15 green, 1 blue; 2 blue, 15 green, 1 red; 7 red, 15 green
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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
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Game 44: 2 green, 11 blue; 1 green, 5 red, 8 blue; 4 green, 17 blue, 4 red
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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
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Game 46: 14 blue, 12 green, 3 red; 2 green, 1 red, 10 blue; 5 red, 7 green
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Game 47: 15 blue, 1 red; 1 red, 14 blue; 1 red, 16 blue; 3 green, 8 blue
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Game 48: 1 green, 3 blue, 1 red; 8 blue, 2 red, 8 green; 14 red, 4 green, 11 blue
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Game 49: 6 red, 5 blue, 2 green; 3 red, 11 blue; 1 blue, 14 green, 6 red
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Game 50: 7 red, 7 blue; 7 blue, 7 red; 13 blue, 1 green, 2 red; 7 green, 5 red, 9 blue
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Game 51: 4 blue, 9 red, 1 green; 16 red; 2 blue, 6 red; 11 red, 6 blue
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Game 52: 4 green, 4 blue, 9 red; 5 blue, 4 red, 16 green; 16 green, 3 red
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Game 53: 2 green, 12 red; 2 red, 5 green, 15 blue; 9 blue, 17 red, 9 green; 2 blue, 6 red, 4 green
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Game 54: 2 red, 3 blue, 5 green; 8 green, 3 blue; 9 green, 3 blue, 3 red; 1 blue, 4 green
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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
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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
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Game 57: 7 green, 5 blue; 13 blue; 1 red, 11 green, 4 blue; 1 red, 7 green, 5 blue
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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
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Game 59: 6 red, 1 blue, 5 green; 4 green; 15 green; 7 red, 1 blue, 12 green; 7 red, 1 blue, 3 green
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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
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Game 61: 1 green, 3 blue; 1 red, 2 green; 1 green, 2 blue, 2 red
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Game 62: 10 green, 15 blue, 14 red; 11 blue, 11 red, 16 green; 5 red, 5 green, 12 blue
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Game 63: 2 blue, 5 red; 7 blue, 2 green, 2 red; 2 red, 1 blue
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Game 64: 9 blue, 12 red, 4 green; 5 blue, 13 red; 1 red, 2 green, 7 blue
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Game 65: 4 blue, 8 red; 13 green, 8 blue, 5 red; 1 green, 5 blue, 7 red; 11 red, 7 blue, 10 green
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Game 66: 8 red, 17 blue; 1 green, 9 red, 7 blue; 12 red
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Game 67: 14 blue, 12 green, 3 red; 12 green; 9 green, 13 red, 15 blue; 2 red, 10 green, 1 blue
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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
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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
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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
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Game 71: 8 red, 1 blue, 5 green; 12 green, 7 red; 11 green, 1 blue, 7 red
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Game 72: 5 green, 15 red; 7 green, 3 red, 4 blue; 10 red, 1 green; 6 blue, 15 red, 3 green
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Game 73: 1 green, 5 red, 1 blue; 6 red, 3 blue, 6 green; 11 red, 1 blue
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Game 74: 5 red; 1 blue, 3 green, 3 red; 2 green, 7 red; 1 blue, 2 red; 3 red, 1 green
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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
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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
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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
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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
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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
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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
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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
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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
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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
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Game 84: 15 blue; 4 green, 1 red, 15 blue; 2 green, 16 blue; 3 green, 14 blue; 16 blue
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Game 85: 3 red, 7 green, 8 blue; 3 blue, 17 green, 7 red; 13 green, 4 blue; 6 blue, 8 green
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Game 86: 16 green, 6 blue; 12 blue, 9 red, 11 green; 17 green, 4 blue, 8 red
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Game 87: 6 blue, 3 green, 13 red; 13 blue; 12 red, 2 green, 1 blue
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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
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Game 89: 6 green, 5 blue; 4 green, 4 blue; 3 red, 5 blue
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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
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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
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Game 92: 3 green, 11 red, 16 blue; 8 blue, 1 red, 6 green; 4 green, 1 red, 5 blue
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Game 93: 9 blue, 3 red, 13 green; 2 red, 9 blue; 3 blue, 17 green, 5 red; 4 green, 8 blue
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Game 94: 2 blue, 3 red, 9 green; 4 blue, 1 red, 6 green; 8 green, 2 blue; 4 green, 2 blue, 7 red
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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
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Game 96: 11 green; 10 green, 5 blue, 11 red; 5 blue, 13 red, 15 green; 10 green, 1 blue, 11 red
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Game 97: 5 green, 6 blue, 1 red; 7 green, 1 red; 5 blue; 3 blue, 1 red
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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
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Game 99: 12 blue, 8 green; 2 green; 3 red, 7 green, 5 blue; 1 green, 1 blue, 2 red
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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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@ -0,0 +1,31 @@
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// Copyright 2023 Christian Ulrich
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// usage: ./part1 < input
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pub mod common;
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use common::Games;
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fn main() -> Result<(), &'static str> {
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let mut result = 0;
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for game in Games::from_stdin()?.iter() {
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if game.red_count() <= 12 && game.green_count() <= 13 && game.blue_count() <= 14 {
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result += game.id();
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}
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}
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println!("{result}");
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Ok(())
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}
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Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
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Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
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Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
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Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
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Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green
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