From a671d0abaf6bff7a978f73f7582a36070ac9d386 Mon Sep 17 00:00:00 2001
From: Philippe Zwietering <philippe.zwietering@gmail.com>
Date: Mon, 4 Dec 2023 11:36:23 +0100
Subject: [PATCH] aoc day 2 finished, part 2 was almost easier than part 1

---
 advent_of_code/2023/2/Cargo.toml     |   9 ++
 advent_of_code/2023/2/input.txt      | 100 ++++++++++++++++++++
 advent_of_code/2023/2/src/main.rs    | 132 +++++++++++++++++++++++++++
 advent_of_code/2023/2/test_input.txt |   5 +
 4 files changed, 246 insertions(+)
 create mode 100644 advent_of_code/2023/2/Cargo.toml
 create mode 100644 advent_of_code/2023/2/input.txt
 create mode 100644 advent_of_code/2023/2/src/main.rs
 create mode 100644 advent_of_code/2023/2/test_input.txt

diff --git a/advent_of_code/2023/2/Cargo.toml b/advent_of_code/2023/2/Cargo.toml
new file mode 100644
index 0000000..c3650cd
--- /dev/null
+++ b/advent_of_code/2023/2/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "main"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+nom = "7.1.3"
diff --git a/advent_of_code/2023/2/input.txt b/advent_of_code/2023/2/input.txt
new file mode 100644
index 0000000..34ef15d
--- /dev/null
+++ b/advent_of_code/2023/2/input.txt
@@ -0,0 +1,100 @@
+Game 1: 4 red, 1 green, 15 blue; 6 green, 2 red, 10 blue; 7 blue, 6 green, 4 red; 12 blue, 10 green, 3 red
+Game 2: 3 green, 18 blue; 14 green, 4 red, 2 blue; 3 red, 14 green, 15 blue
+Game 3: 12 green, 2 blue; 9 green; 1 red, 11 blue, 4 green
+Game 4: 4 blue, 8 green, 5 red; 6 red, 7 blue, 9 green; 2 green, 2 red, 2 blue; 2 green, 6 blue, 9 red; 10 red, 9 green
+Game 5: 12 red, 1 green, 7 blue; 13 red, 16 blue; 16 blue, 10 red; 4 blue; 16 blue, 7 red; 1 blue, 7 red
+Game 6: 17 blue, 2 red; 5 blue, 6 green, 2 red; 5 green, 5 blue; 5 green, 12 blue, 4 red
+Game 7: 2 red, 1 blue, 10 green; 8 red, 14 green, 9 blue; 15 red, 1 blue, 6 green; 9 blue, 3 green, 10 red; 7 blue, 13 red, 4 green
+Game 8: 1 green, 2 blue; 7 red, 2 blue, 1 green; 1 red, 2 green; 4 red, 1 blue; 11 red, 2 green, 2 blue; 1 blue, 2 green, 11 red
+Game 9: 11 green, 11 blue, 6 red; 2 green, 3 blue, 2 red; 2 red, 11 blue, 14 green; 5 green, 7 red, 7 blue; 7 green, 1 red, 12 blue; 1 red, 8 green, 7 blue
+Game 10: 2 red, 8 green, 7 blue; 10 red, 5 green, 2 blue; 4 red, 8 green, 16 blue; 10 blue, 3 green, 15 red
+Game 11: 2 blue, 2 green, 5 red; 1 green, 3 red, 3 blue; 11 green, 1 red, 2 blue
+Game 12: 8 blue, 11 green, 14 red; 10 green, 13 red, 2 blue; 1 red, 6 green, 4 blue; 13 red, 11 green, 6 blue
+Game 13: 15 red, 17 green, 1 blue; 12 red, 1 blue, 1 green; 2 red, 1 blue, 14 green
+Game 14: 6 green, 11 red, 3 blue; 6 green, 2 blue; 2 green, 10 red, 8 blue; 2 red; 1 green, 9 red; 3 blue, 1 green, 3 red
+Game 15: 11 blue, 11 green, 4 red; 3 green, 10 blue; 2 red, 9 green, 9 blue
+Game 16: 2 blue, 11 green; 1 red, 1 blue, 11 green; 12 green, 1 blue, 1 red; 3 blue, 14 green, 1 red; 14 green, 4 blue; 2 blue, 12 green
+Game 17: 1 red, 2 blue, 4 green; 4 blue, 3 green; 1 green, 1 red, 6 blue; 1 red, 7 blue; 2 green
+Game 18: 3 red, 3 blue, 7 green; 2 blue, 2 red, 2 green; 4 red, 12 green; 5 green, 2 blue, 4 red; 3 red
+Game 19: 15 red, 7 blue, 10 green; 5 green, 8 red; 9 green, 8 red; 5 red, 10 green
+Game 20: 15 blue, 6 green, 11 red; 13 red, 9 blue, 1 green; 15 blue, 10 red, 11 green
+Game 21: 15 red, 4 green; 11 red, 2 blue, 4 green; 5 blue, 2 green, 4 red; 4 red, 5 blue; 6 red, 3 blue, 1 green
+Game 22: 4 green, 4 red, 13 blue; 3 red, 7 blue, 9 green; 12 blue, 13 green, 5 red
+Game 23: 20 green, 4 red; 6 blue, 9 red, 7 green; 6 green
+Game 24: 1 green, 3 blue, 6 red; 1 green, 1 blue, 2 red; 3 blue, 5 red, 1 green
+Game 25: 2 red, 9 blue, 2 green; 2 green, 1 red, 5 blue; 3 red, 1 green, 3 blue; 8 blue, 2 green, 3 red; 12 blue, 3 red; 1 blue, 2 green, 1 red
+Game 26: 2 blue, 5 green, 20 red; 2 blue, 6 red, 9 green; 3 red, 2 blue, 5 green
+Game 27: 17 blue, 2 red, 14 green; 15 green, 16 blue, 2 red; 13 blue, 13 green; 1 red, 7 green, 3 blue; 1 blue, 2 green
+Game 28: 5 blue, 6 red, 3 green; 7 red, 19 green; 11 blue, 13 green
+Game 29: 1 blue, 8 red, 7 green; 1 green, 1 red; 8 red, 7 green, 1 blue; 7 green, 2 red; 1 blue, 7 red; 1 blue, 2 red, 5 green
+Game 30: 3 red, 17 blue; 11 red, 3 blue, 8 green; 7 green, 12 blue, 10 red; 5 blue, 2 green
+Game 31: 14 blue, 7 green; 12 green, 14 blue, 2 red; 17 blue, 2 red, 8 green; 2 red, 3 blue, 11 green; 9 green, 4 blue; 1 red, 3 green, 1 blue
+Game 32: 15 red, 1 blue, 10 green; 15 green, 10 red, 1 blue; 2 red, 6 green, 1 blue
+Game 33: 10 green, 1 red, 16 blue; 11 blue, 14 green, 3 red; 14 green, 13 blue; 17 blue, 2 red, 3 green
+Game 34: 8 red, 7 blue, 8 green; 3 green, 1 red; 1 red, 1 green, 5 blue; 6 red, 8 green, 2 blue; 7 red, 8 blue, 3 green
+Game 35: 5 blue, 19 red; 2 blue, 11 red, 1 green; 16 red, 10 blue; 7 green, 3 blue, 6 red; 3 green, 18 red, 5 blue; 8 blue, 5 red
+Game 36: 9 red, 6 green, 10 blue; 9 red, 15 green, 6 blue; 6 red, 1 blue, 14 green
+Game 37: 7 green, 8 red, 2 blue; 3 blue, 5 red, 16 green; 1 green, 1 red, 3 blue
+Game 38: 5 green, 5 red, 3 blue; 10 blue, 19 red, 9 green; 2 red, 3 blue, 11 green
+Game 39: 15 red, 11 blue, 5 green; 11 green, 2 red, 6 blue; 2 blue, 3 green, 6 red; 15 red, 3 blue, 13 green
+Game 40: 7 green, 4 red, 1 blue; 6 blue, 6 green, 2 red; 2 blue, 3 red, 1 green; 1 blue, 3 red, 3 green; 2 red, 5 green, 3 blue
+Game 41: 10 blue, 8 green, 9 red; 7 blue, 9 red, 2 green; 10 blue, 4 red, 5 green
+Game 42: 8 blue, 13 green, 14 red; 8 blue, 1 green, 11 red; 4 red, 6 green, 3 blue; 14 green, 4 red, 2 blue
+Game 43: 2 red, 10 green, 19 blue; 5 blue, 4 green, 9 red; 9 green, 9 red, 2 blue
+Game 44: 6 red, 2 green, 3 blue; 2 blue, 12 red, 6 green; 1 red, 10 blue; 12 red, 6 green, 2 blue; 14 red, 13 green, 3 blue; 10 green, 9 blue, 11 red
+Game 45: 2 blue, 1 red, 1 green; 1 green, 1 blue; 2 green, 2 blue
+Game 46: 7 green, 1 red; 1 green, 4 blue, 1 red; 3 blue, 4 green, 1 red; 1 red, 4 green; 1 blue, 12 green, 1 red; 16 green, 1 blue
+Game 47: 4 blue, 8 green, 3 red; 6 red, 1 green, 3 blue; 16 green, 4 blue, 1 red; 4 blue, 8 red
+Game 48: 1 blue, 9 red, 8 green; 8 green, 2 blue, 6 red; 2 green; 4 blue, 5 red; 1 blue, 9 red, 9 green; 1 red, 1 blue, 3 green
+Game 49: 3 green, 2 blue; 7 blue, 4 red; 20 green, 5 red, 13 blue; 20 green, 1 red, 6 blue
+Game 50: 3 red, 3 green; 3 green, 3 red; 2 blue, 10 red; 3 blue, 5 green; 14 red, 2 green, 2 blue; 7 red, 2 green
+Game 51: 3 green, 3 blue, 2 red; 4 green, 16 red, 3 blue; 1 blue, 3 red; 9 red, 1 blue, 4 green
+Game 52: 6 red, 18 green, 7 blue; 2 blue, 1 red, 5 green; 8 blue, 6 red, 1 green; 1 red, 1 blue; 6 red, 3 green, 10 blue
+Game 53: 1 blue, 10 red, 3 green; 13 red, 2 green, 1 blue; 1 green, 2 red
+Game 54: 4 blue, 6 green, 2 red; 5 blue, 6 red, 2 green; 6 blue, 4 green, 8 red; 13 red, 10 blue, 1 green; 5 red, 5 green, 9 blue
+Game 55: 4 green, 18 red, 4 blue; 9 blue, 7 green, 16 red; 5 red, 6 blue, 14 green; 13 green, 11 red, 9 blue; 6 blue, 13 green, 1 red; 10 blue, 12 red, 14 green
+Game 56: 8 green, 5 blue, 10 red; 10 green, 7 red, 12 blue; 11 red, 12 blue, 1 green; 4 blue, 6 red, 10 green; 17 blue, 8 green, 2 red
+Game 57: 1 green, 2 red; 2 green, 5 red, 1 blue; 13 red, 3 green, 4 blue; 3 blue, 13 red, 9 green
+Game 58: 1 red, 7 blue, 4 green; 2 green, 1 blue, 1 red; 1 green, 11 blue; 12 blue; 1 blue, 5 green, 1 red; 3 green, 11 blue, 1 red
+Game 59: 5 green, 3 blue, 17 red; 2 red, 9 green; 1 blue, 4 green
+Game 60: 5 red, 5 green, 1 blue; 2 red, 2 blue, 6 green; 2 red, 3 blue, 3 green
+Game 61: 2 green, 3 blue, 4 red; 17 green, 1 blue; 1 green, 6 red, 4 blue; 3 blue, 9 green, 3 red; 18 green, 7 red, 2 blue
+Game 62: 5 red; 3 blue, 9 green; 3 red, 13 blue, 10 green; 14 green, 1 red, 2 blue; 7 blue, 13 green
+Game 63: 12 blue, 5 green; 5 green, 1 red, 1 blue; 4 red, 7 green, 9 blue; 8 blue, 2 green, 7 red
+Game 64: 3 blue, 11 green; 5 blue, 2 red, 5 green; 17 green, 5 blue, 1 red; 4 red, 3 blue, 4 green
+Game 65: 2 red, 1 blue, 2 green; 7 green, 2 red, 1 blue; 2 blue, 7 green, 1 red; 3 blue, 8 green, 3 red
+Game 66: 4 red, 12 blue, 1 green; 20 blue, 3 green, 2 red; 11 blue, 1 green
+Game 67: 12 blue, 10 red, 13 green; 19 green, 4 red, 7 blue; 12 red, 9 blue, 13 green
+Game 68: 2 blue, 17 green; 12 green, 2 red; 5 red, 2 green, 4 blue; 4 blue
+Game 69: 17 blue, 3 red, 1 green; 4 green, 8 blue, 8 red; 4 green, 7 red, 1 blue; 8 red, 1 green, 11 blue; 13 blue, 10 red, 9 green; 14 blue, 5 green, 6 red
+Game 70: 1 red, 2 blue, 4 green; 13 blue, 3 red, 2 green; 6 green, 8 blue
+Game 71: 5 red, 7 green, 1 blue; 11 green, 4 red, 1 blue; 1 red, 12 green, 10 blue; 1 red, 7 blue, 12 green
+Game 72: 9 blue, 4 green, 1 red; 6 green, 4 blue; 8 green, 5 blue, 1 red
+Game 73: 1 blue, 10 green, 14 red; 4 green; 2 blue, 9 red, 4 green; 2 blue, 13 green; 13 green, 13 red; 7 red, 5 green, 2 blue
+Game 74: 3 red, 1 blue, 3 green; 4 green, 1 blue, 1 red; 2 blue, 10 green, 1 red; 1 blue, 3 red, 1 green
+Game 75: 1 red, 1 blue, 1 green; 2 red, 1 green, 4 blue; 2 red, 4 blue; 1 blue, 1 red
+Game 76: 4 green, 2 blue, 6 red; 7 green, 1 red; 8 green, 4 red
+Game 77: 8 green, 7 blue, 5 red; 6 red, 14 green, 7 blue; 8 green, 7 blue; 1 red, 8 green, 8 blue
+Game 78: 6 red, 3 blue, 3 green; 7 blue, 10 red; 5 green, 10 blue, 1 red; 3 green, 11 blue, 4 red; 14 red, 9 blue, 2 green; 16 red, 2 green, 12 blue
+Game 79: 1 green; 5 green; 11 green, 3 blue, 2 red; 3 blue
+Game 80: 2 green, 2 red; 1 blue, 1 green, 1 red; 1 blue, 1 green, 2 red; 2 red; 5 green
+Game 81: 10 blue, 2 red, 9 green; 4 red, 12 blue, 5 green; 7 green, 4 blue, 6 red; 1 red, 13 green, 14 blue; 13 green, 11 blue
+Game 82: 4 blue, 2 green; 7 blue, 3 green, 5 red; 1 red, 4 blue, 3 green; 5 blue, 1 red, 6 green; 6 green, 4 red; 11 blue, 3 red, 5 green
+Game 83: 12 green; 5 red, 8 green; 11 red, 14 green, 1 blue; 9 green, 4 red
+Game 84: 5 blue, 1 red; 16 blue, 5 green; 1 red, 9 blue, 3 green; 11 blue; 1 green, 2 blue; 1 red, 7 blue, 4 green
+Game 85: 17 red, 5 blue; 18 blue, 2 red, 2 green; 18 blue, 2 green, 8 red
+Game 86: 4 red, 1 blue, 11 green; 6 blue, 7 green, 1 red; 3 green, 4 blue; 2 red, 7 blue, 2 green
+Game 87: 4 red, 5 blue; 1 green, 15 red, 1 blue; 11 blue, 12 red
+Game 88: 11 green, 3 red, 1 blue; 6 green, 1 blue, 1 red; 1 blue, 3 green; 2 blue, 4 green, 2 red
+Game 89: 2 green; 1 red, 2 green, 3 blue; 4 blue, 1 red, 10 green; 4 blue, 5 green; 6 blue, 1 red, 10 green
+Game 90: 15 red, 7 green, 17 blue; 7 blue, 1 red; 7 green, 6 red, 3 blue
+Game 91: 2 blue, 17 red, 6 green; 1 green, 1 blue, 6 red; 6 red, 4 blue; 10 green, 14 red, 1 blue; 7 blue, 10 green, 10 red; 16 red, 11 green, 9 blue
+Game 92: 1 green, 8 blue, 4 red; 4 green, 4 red, 4 blue; 1 green, 7 red, 4 blue
+Game 93: 11 blue, 12 red, 1 green; 9 blue, 2 green, 5 red; 7 red, 5 blue, 2 green
+Game 94: 7 blue, 10 green; 9 green, 9 blue, 2 red; 1 red, 5 green, 4 blue
+Game 95: 1 green, 1 blue, 2 red; 6 red; 1 blue; 1 green, 1 blue, 6 red
+Game 96: 1 blue, 1 red, 2 green; 4 red, 13 green, 1 blue; 1 blue, 13 green, 5 red; 7 green, 4 red
+Game 97: 10 blue, 5 red, 5 green; 4 red, 8 green, 2 blue; 5 red, 2 green, 15 blue; 2 red, 1 green, 4 blue; 2 red, 14 blue; 14 blue, 4 green
+Game 98: 11 red, 8 green, 9 blue; 3 blue, 1 green, 14 red; 10 blue, 2 red, 4 green; 7 blue, 11 red, 3 green; 5 red, 12 blue, 4 green; 7 green, 7 blue, 8 red
+Game 99: 3 green, 2 blue, 1 red; 15 red, 8 blue, 7 green; 18 red, 12 blue, 2 green
+Game 100: 11 red, 1 blue, 2 green; 3 red, 3 green; 1 blue, 8 red, 4 green; 5 green, 5 blue, 1 red; 2 green, 1 red, 6 blue; 2 green, 8 red, 1 blue
\ No newline at end of file
diff --git a/advent_of_code/2023/2/src/main.rs b/advent_of_code/2023/2/src/main.rs
new file mode 100644
index 0000000..119997f
--- /dev/null
+++ b/advent_of_code/2023/2/src/main.rs
@@ -0,0 +1,132 @@
+use nom::{
+    branch::alt,
+    bytes::complete::tag,
+    character::complete::{self, multispace1},
+    multi::separated_list1,
+    sequence::{pair, tuple},
+    IResult, Parser,
+};
+use std::cmp::max;
+
+#[derive(Debug, Clone, Copy)]
+enum Color {
+    Red,
+    Green,
+    Blue,
+}
+
+fn parse_input(input: &str) -> IResult<&str, Vec<(u32, Vec<(u32, u32, u32)>)>> {
+    let (input, result) = separated_list1(
+        multispace1,
+        tuple((
+            tag("Game "),
+            complete::u32,
+            tag(": "),
+            separated_list1(
+                tag("; "),
+                separated_list1(
+                    tag(", "),
+                    alt((
+                        pair(complete::u32, tag(" red")).map(|(d, _)| (d, Color::Red)),
+                        pair(complete::u32, tag(" green")).map(|(d, _)| (d, Color::Green)),
+                        pair(complete::u32, tag(" blue")).map(|(d, _)| (d, Color::Blue)),
+                    )),
+                )
+                .map(|list_of_colors_with_number| {
+                    let mut r = (0, 0, 0);
+
+                    for (number, color) in list_of_colors_with_number {
+                        match color {
+                            Color::Red => r.0 = number,
+                            Color::Green => r.1 = number,
+                            Color::Blue => r.2 = number,
+                        }
+                    }
+
+                    r
+                }),
+            ),
+        ))
+        .map(|(_, iter, _, game_results)| (iter, game_results)),
+    )(input)?;
+
+    Ok((input, result))
+}
+
+fn solve_1(game_results: &[(u32, Vec<(u32, u32, u32)>)]) -> u32 {
+    let red_max = 12;
+    let green_max = 13;
+    let blue_max = 14;
+
+    game_results
+        .iter()
+        .filter(|(_, list_of_game_results)| {
+            list_of_game_results
+                .iter()
+                .all(|&(red, green, blue)| red <= red_max && green <= green_max && blue <= blue_max)
+        })
+        .map(|(iter, _)| iter)
+        .sum()
+}
+
+fn solve_2(game_results: &[(u32, Vec<(u32, u32, u32)>)]) -> u32 {
+    game_results
+        .iter()
+        .map(|(_, list_of_game_results)| {
+            let mut minima = (0, 0, 0);
+
+            for game_result in list_of_game_results {
+                minima.0 = max(minima.0, game_result.0);
+                minima.1 = max(minima.1, game_result.1);
+                minima.2 = max(minima.2, game_result.2);
+            }
+
+            minima.0 * minima.1 * minima.2
+        })
+        .sum()
+}
+
+fn main() {
+    println!("Hello, this is Patrick!");
+
+    let input_txt = include_str!("../input.txt");
+
+    let (_, game_results) = parse_input(input_txt).unwrap();
+
+    let result_1 = solve_1(&game_results[..]);
+
+    println!(
+        "The sum of the IDs of the games that were possible is {}",
+        result_1
+    );
+
+    let result_2 = solve_2(&game_results[..]);
+
+    println!(
+        "The sum of the power of of minimum of present sets is {}",
+        result_2
+    );
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_1() {
+        let test_input = include_str!("../test_input.txt");
+
+        let (_, game_results) = parse_input(test_input).unwrap();
+
+        assert_eq!(solve_1(&game_results[..]), 8);
+    }
+
+    #[test]
+    fn test_2() {
+        let test_input = include_str!("../test_input.txt");
+
+        let (_, game_results) = parse_input(test_input).unwrap();
+
+        assert_eq!(solve_2(&game_results[..]), 2286);
+    }
+}
diff --git a/advent_of_code/2023/2/test_input.txt b/advent_of_code/2023/2/test_input.txt
new file mode 100644
index 0000000..1cd7d33
--- /dev/null
+++ b/advent_of_code/2023/2/test_input.txt
@@ -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
\ No newline at end of file