day 2

4 files changed, 222 insertions, 0 deletions

diff --git a/benches/2023.rs b/benches/2023.rs
index 08d709a..9f34794 100644
--- a/benches/2023.rs
+++ b/benches/2023.rs
@@ -3,15 +3,19 @@ mod helpers;
 
 #[path = "../src/bin/2023/day1.rs"]
 mod day1;
+#[path = "../src/bin/2023/day2.rs"]
+mod day2;
 // NEXT MOD
 
 day!(2023, 1, day1);
+day!(2023, 2, day2);
 // NEXT DAY
 
 fn bench_2023(c: &mut criterion::Criterion) {
     c.bench_function("2023", |b| {
         b.iter(|| {
             day_combined!(2023, 1, day1);
+            day_combined!(2023, 2, day2);
             // NEXT DAY COMBINED
         })
     });
@@ -21,5 +25,6 @@ criterion::criterion_group!(benches_2023, bench_2023);
 criterion::criterion_main!(
     benches_2023,
     bench_2023day1,
+    bench_2023day2,
     // NEXT GROUP
 );
diff --git a/data/2023/2.txt b/data/2023/2.txt
new file mode 100644
index 0000000..8a9d45e
--- /dev/null
+++ b/data/2023/2.txt
@@ -0,0 +1,100 @@
+Game 1: 5 red, 1 green, 2 blue; 2 green, 8 blue, 6 red; 8 red, 3 blue, 2 green; 6 red, 1 green, 19 blue; 1 red, 17 blue
+Game 2: 4 red, 5 green, 2 blue; 7 red, 14 green, 3 blue; 2 green, 5 blue, 11 red; 10 blue, 3 green; 9 green, 6 blue, 13 red; 7 red, 5 green, 9 blue
+Game 3: 9 green, 18 blue, 1 red; 6 red, 10 blue, 5 green; 4 blue, 4 red, 15 green
+Game 4: 1 red, 13 green; 10 green, 2 red; 3 red, 4 green, 2 blue
+Game 5: 4 red, 2 green, 1 blue; 4 red, 9 blue; 4 green, 1 red, 6 blue; 3 blue, 2 green, 6 red; 5 red, 4 green, 1 blue
+Game 6: 6 red, 3 green, 6 blue; 3 green, 5 blue, 12 red; 3 green, 9 blue, 3 red; 13 red, 8 blue
+Game 7: 3 blue, 1 red; 3 blue, 10 green; 4 green, 5 blue
+Game 8: 11 green, 4 blue; 4 red, 4 blue, 11 green; 4 green, 3 blue; 1 blue, 6 red, 12 green
+Game 9: 1 blue, 4 green, 1 red; 5 green, 3 blue; 9 green, 4 blue; 3 blue, 1 red, 10 green; 6 green, 2 blue
+Game 10: 5 green, 6 red, 7 blue; 7 green, 5 blue, 5 red; 8 red, 6 blue, 8 green; 2 blue, 8 green, 6 red; 6 blue, 8 red, 4 green
+Game 11: 1 blue, 10 red, 10 green; 11 green, 2 blue, 16 red; 4 blue, 7 red, 14 green
+Game 12: 8 green, 9 red, 12 blue; 2 green, 4 blue, 7 red; 1 red, 9 blue, 7 green; 8 green, 2 red, 10 blue; 1 green, 5 red, 5 blue; 6 green, 5 red, 1 blue
+Game 13: 3 green, 1 blue, 6 red; 1 green, 10 red; 1 blue, 15 red, 2 green
+Game 14: 2 green, 6 blue; 1 green, 2 blue, 2 red; 5 blue, 1 green, 2 red; 4 green, 5 blue, 4 red; 4 red, 5 green, 4 blue; 1 red, 5 green, 6 blue
+Game 15: 12 green, 7 blue; 19 green; 11 blue, 16 green, 1 red; 1 red, 2 green, 3 blue; 8 blue, 1 red, 19 green; 14 blue, 3 green, 1 red
+Game 16: 2 green, 13 blue, 3 red; 5 red, 12 blue; 6 blue, 8 red; 4 red, 1 green, 4 blue; 1 green, 15 blue; 4 blue, 2 green, 1 red
+Game 17: 11 blue, 7 green, 2 red; 12 red, 8 green, 8 blue; 2 red, 6 blue, 6 green
+Game 18: 1 green, 2 blue; 2 green, 1 blue, 4 red; 3 green, 16 red; 2 red, 3 green
+Game 19: 11 blue, 3 green, 3 red; 11 blue, 5 green; 3 green, 3 red, 8 blue
+Game 20: 1 green, 6 blue; 4 blue, 6 green; 1 red, 10 green; 12 green; 5 blue, 1 red, 4 green; 1 green, 5 blue
+Game 21: 7 green, 3 blue; 1 red, 5 blue, 6 green; 1 red, 11 green; 8 blue, 1 red, 10 green; 1 red, 5 blue, 3 green
+Game 22: 3 red, 1 blue; 3 green, 1 red, 1 blue; 7 green, 2 blue
+Game 23: 12 green, 1 red, 2 blue; 10 blue, 1 green, 1 red; 9 blue, 8 green
+Game 24: 5 blue, 6 green, 6 red; 3 blue, 1 red; 8 blue, 2 green, 12 red; 1 green, 2 blue, 14 red; 2 blue, 5 green, 15 red
+Game 25: 6 red, 13 green; 1 blue, 1 red, 3 green; 1 blue, 12 red, 10 green
+Game 26: 16 red, 2 blue, 7 green; 1 blue, 7 green, 8 red; 1 blue, 3 red, 9 green
+Game 27: 4 blue, 15 green; 6 green, 2 blue, 1 red; 9 blue, 10 green, 4 red; 3 red, 3 green, 6 blue; 11 blue, 7 red, 11 green; 6 red, 5 green, 13 blue
+Game 28: 10 blue, 8 red, 10 green; 4 blue, 11 red, 6 green; 8 red, 9 green, 10 blue; 4 red, 9 green, 2 blue
+Game 29: 4 red, 9 green, 7 blue; 10 blue, 6 green, 4 red; 1 green, 2 red, 10 blue; 3 green, 9 blue
+Game 30: 6 blue, 9 green, 10 red; 6 blue, 4 red; 5 green, 2 blue; 5 green, 2 red, 2 blue; 6 blue, 8 green
+Game 31: 7 blue; 2 green, 6 blue; 1 red, 9 blue, 5 green
+Game 32: 8 blue, 2 red, 4 green; 6 red, 2 blue, 1 green; 14 blue, 8 green, 8 red
+Game 33: 1 green, 1 red, 1 blue; 2 blue, 1 green, 12 red; 1 green, 1 red; 1 blue, 2 red, 1 green; 7 red, 2 green, 2 blue
+Game 34: 3 blue; 2 blue; 10 red, 1 blue, 1 green; 5 red; 1 green, 1 red, 1 blue; 1 green, 2 red
+Game 35: 10 green, 1 red, 16 blue; 4 red, 10 blue, 9 green; 1 green, 7 blue, 5 red
+Game 36: 1 blue, 3 red, 16 green; 1 blue, 3 red, 1 green; 9 green, 3 red, 8 blue; 14 green, 6 blue, 3 red; 3 red, 12 green, 4 blue
+Game 37: 11 red, 3 blue; 15 red, 8 blue, 6 green; 6 green, 19 red, 11 blue; 1 green, 4 blue, 14 red; 12 blue, 5 red, 8 green; 4 blue, 9 red
+Game 38: 4 green, 10 blue, 3 red; 1 green, 1 red, 11 blue; 2 red, 12 blue
+Game 39: 3 green, 1 red, 4 blue; 9 green, 1 red, 18 blue; 4 red, 4 green, 17 blue; 4 red, 10 blue, 14 green
+Game 40: 5 red, 4 green, 8 blue; 1 green, 9 blue; 9 blue, 3 red, 6 green; 8 red, 9 blue, 9 green
+Game 41: 1 blue, 9 red, 3 green; 9 red, 10 green, 15 blue; 13 red, 8 green, 8 blue; 19 red, 6 blue, 2 green; 7 green, 5 blue, 12 red
+Game 42: 15 blue; 1 red, 1 green, 9 blue; 6 blue, 1 red; 1 green, 4 blue
+Game 43: 1 green, 8 blue, 2 red; 1 red, 1 green, 6 blue; 7 blue; 7 blue, 3 red, 1 green; 2 red, 5 blue
+Game 44: 7 green, 11 blue, 6 red; 9 green, 8 blue; 4 red, 15 green; 12 green, 14 blue, 8 red
+Game 45: 4 red, 4 green; 14 green; 4 green, 2 blue; 1 blue, 12 red, 5 green; 3 red, 6 green; 11 red, 1 green
+Game 46: 2 blue, 1 green, 1 red; 1 blue, 6 green, 1 red; 2 blue, 1 red, 1 green; 5 green
+Game 47: 1 blue, 1 red; 14 red; 3 green, 2 blue, 17 red; 4 green
+Game 48: 1 red, 11 green, 2 blue; 1 red, 11 green, 6 blue; 13 green, 1 blue, 3 red; 3 green, 4 red, 6 blue; 12 green, 5 blue, 1 red; 2 red, 4 green, 4 blue
+Game 49: 5 blue, 3 green; 2 green, 8 blue; 5 blue; 4 green, 5 blue, 1 red; 4 green, 7 blue; 1 green, 3 blue
+Game 50: 3 red, 5 green, 2 blue; 9 green, 7 red, 4 blue; 3 blue, 6 red, 13 green; 6 blue, 8 red, 9 green
+Game 51: 2 green, 11 red, 7 blue; 5 blue, 13 red; 1 green, 2 blue, 3 red; 6 blue, 8 red; 11 red, 2 green, 4 blue
+Game 52: 15 blue, 1 green, 4 red; 4 green, 10 blue, 2 red; 6 red, 18 blue, 1 green
+Game 53: 2 red, 10 green, 6 blue; 4 green, 3 blue, 3 red; 17 blue, 19 green, 5 red; 6 blue, 6 green, 9 red; 5 blue, 17 green, 7 red
+Game 54: 9 blue, 8 red, 6 green; 6 red, 8 green; 1 green, 6 blue, 1 red; 5 red, 4 green, 9 blue; 5 blue, 2 green, 5 red
+Game 55: 8 blue, 8 red, 10 green; 3 red, 4 green, 9 blue; 4 red, 3 green, 7 blue
+Game 56: 3 red, 6 green, 1 blue; 5 green, 1 blue, 1 red; 1 red, 2 green; 10 green
+Game 57: 1 green, 4 blue, 12 red; 17 red, 7 blue, 10 green; 17 red, 5 blue, 3 green
+Game 58: 1 red, 5 green, 14 blue; 5 green, 6 red, 7 blue; 4 blue, 8 green; 3 red, 9 green, 7 blue; 8 blue, 8 green, 6 red; 8 green, 7 blue, 5 red
+Game 59: 3 green, 5 red; 2 red, 13 green, 1 blue; 19 green, 1 red, 1 blue; 19 green, 1 blue; 18 green, 1 blue, 5 red; 6 red, 9 green
+Game 60: 5 red, 1 green, 6 blue; 8 red, 6 blue, 14 green; 8 green, 8 red, 3 blue; 2 blue, 5 green, 3 red; 4 blue, 1 red, 14 green
+Game 61: 7 red, 4 blue, 2 green; 2 green, 8 red, 9 blue; 5 blue, 2 green, 8 red; 8 red, 1 green, 8 blue
+Game 62: 6 red, 3 blue; 1 blue, 2 red, 2 green; 3 red, 1 blue
+Game 63: 2 red, 1 blue, 2 green; 1 blue, 1 green; 2 green, 4 red; 3 green, 2 red; 2 green
+Game 64: 5 green, 6 blue, 7 red; 2 red, 5 green, 8 blue; 7 green, 9 blue, 1 red; 4 green, 5 blue; 19 blue, 5 green, 13 red
+Game 65: 3 red, 1 blue, 4 green; 5 green, 3 blue; 9 green, 1 red, 10 blue
+Game 66: 6 red, 13 green, 2 blue; 2 blue, 5 red, 9 green; 18 red; 2 green, 1 blue, 1 red; 19 red, 10 green; 1 blue, 15 green, 13 red
+Game 67: 8 blue, 3 red; 1 red, 12 green, 7 blue; 4 red, 6 blue, 5 green; 11 green, 10 blue, 7 red; 5 red, 9 green, 14 blue
+Game 68: 1 red, 3 green; 10 blue, 1 red, 3 green; 1 green, 17 blue; 16 blue; 6 blue
+Game 69: 11 green, 5 blue, 8 red; 2 red, 5 green, 1 blue; 10 green, 2 blue; 11 green, 7 red, 4 blue
+Game 70: 2 green, 1 blue, 13 red; 16 green, 20 red, 4 blue; 10 red
+Game 71: 10 blue, 6 green, 7 red; 5 red, 5 green, 2 blue; 7 green, 4 red, 5 blue; 1 red, 8 blue; 5 red, 1 blue, 8 green; 5 blue, 1 red, 5 green
+Game 72: 2 red, 4 green; 2 green, 2 red, 1 blue; 3 blue, 3 green, 2 red; 2 green
+Game 73: 5 red, 19 blue; 12 blue, 4 green, 16 red; 14 red, 11 blue, 1 green
+Game 74: 2 red, 1 green, 9 blue; 5 blue, 1 green, 2 red; 2 green, 1 red, 13 blue; 2 green, 1 red, 3 blue
+Game 75: 7 blue, 1 red, 18 green; 17 green, 8 red, 13 blue; 15 blue, 4 red
+Game 76: 1 green, 12 red, 13 blue; 5 green, 11 blue, 12 red; 10 red, 1 green; 10 red, 2 blue; 5 red, 2 green; 2 green, 17 blue, 3 red
+Game 77: 2 blue, 1 red, 1 green; 7 red; 7 red, 3 blue, 2 green; 10 green, 1 red; 3 red, 7 blue, 6 green
+Game 78: 10 red, 2 blue, 2 green; 1 blue, 6 red, 4 green; 12 red, 8 green; 6 green, 8 red, 7 blue; 11 green, 5 blue, 6 red
+Game 79: 7 green, 5 red; 6 blue, 2 green, 15 red; 9 blue, 2 red, 12 green; 1 blue, 4 red, 10 green; 4 blue, 12 green, 11 red; 5 green, 3 red, 5 blue
+Game 80: 1 green, 13 blue, 2 red; 2 red, 1 green, 13 blue; 7 blue, 8 red
+Game 81: 1 green, 2 red, 11 blue; 5 red, 3 blue; 1 green, 1 red; 14 red, 1 green
+Game 82: 12 red, 3 blue, 8 green; 15 red, 9 blue, 8 green; 6 blue, 13 red, 8 green
+Game 83: 4 blue, 6 green, 3 red; 7 red, 2 blue, 9 green; 6 green, 3 red
+Game 84: 4 green; 3 red, 3 blue; 4 red, 1 blue, 2 green; 1 red, 5 green, 5 blue; 1 red, 5 blue, 3 green
+Game 85: 3 red, 4 blue, 15 green; 9 green; 2 red, 4 blue, 6 green; 1 red, 4 green, 7 blue; 3 red, 10 green, 9 blue; 1 red, 13 green, 3 blue
+Game 86: 8 red, 6 blue; 3 blue, 3 green, 15 red; 12 red, 6 green, 13 blue; 15 red, 6 green, 10 blue
+Game 87: 4 red, 4 blue; 6 red, 2 blue; 5 blue, 3 green; 4 blue, 2 red
+Game 88: 4 blue, 7 green; 2 blue, 7 green; 6 green, 4 blue; 1 red, 1 blue, 2 green; 11 green, 3 blue
+Game 89: 1 blue, 12 green, 11 red; 3 red, 7 blue, 1 green; 7 green, 8 red; 6 blue, 2 green, 3 red; 7 red, 8 green; 11 blue, 5 red, 12 green
+Game 90: 1 green, 12 red, 17 blue; 14 red, 17 blue, 9 green; 6 green, 9 red, 11 blue
+Game 91: 3 green, 14 blue; 2 blue, 2 green, 6 red; 1 red, 11 blue, 1 green; 3 green, 4 red, 20 blue; 6 red, 2 green, 3 blue; 10 blue, 12 red
+Game 92: 6 blue, 7 red; 2 blue, 4 red, 1 green; 4 red, 1 green, 3 blue; 2 red, 5 blue; 8 red, 6 blue; 1 green, 2 blue, 1 red
+Game 93: 4 blue, 1 green, 4 red; 8 red, 4 green, 4 blue; 2 blue, 9 red; 1 blue, 4 red; 4 blue, 2 green, 11 red
+Game 94: 5 blue, 1 green, 7 red; 1 green, 11 blue, 1 red; 1 green, 15 blue, 4 red
+Game 95: 1 red, 3 blue; 1 red, 1 green, 8 blue; 3 red, 1 green, 3 blue; 3 red, 6 blue; 6 blue
+Game 96: 4 green, 1 blue; 7 green, 3 red; 2 blue, 9 red, 16 green; 3 blue, 4 red, 11 green
+Game 97: 6 green, 8 blue; 1 blue, 1 green; 3 green, 4 blue; 8 blue, 5 green, 2 red
+Game 98: 18 blue, 6 green; 11 green, 3 blue, 7 red; 18 blue, 3 red, 7 green; 5 red, 5 green; 8 blue, 2 green, 11 red
+Game 99: 3 red, 2 green, 3 blue; 1 red, 4 green, 1 blue; 2 green, 18 red; 15 red, 1 blue; 2 blue, 9 red, 2 green; 17 red, 3 blue, 4 green
+Game 100: 9 blue, 8 red, 16 green; 3 red, 7 green, 8 blue; 1 green, 3 red, 12 blue; 3 green, 14 blue
diff --git a/src/bin/2023/day2.rs b/src/bin/2023/day2.rs
new file mode 100644
index 0000000..3a12adb
--- /dev/null
+++ b/src/bin/2023/day2.rs
@@ -0,0 +1,115 @@
+#![allow(dead_code)]
+#![allow(unused_variables)]
+
+use std::str::FromStr;
+
+use advent_of_code::prelude::*;
+
+#[derive(Clone, Copy, Debug)]
+pub enum Color {
+    Red(i64),
+    Green(i64),
+    Blue(i64),
+}
+
+impl FromStr for Color {
+    type Err = anyhow::Error;
+
+    fn from_str(s: &str) -> std::result::Result<Self, Self::Err> {
+        let parts: Vec<_> = s.split(' ').collect();
+        match parts[1] {
+            "red" => Ok(Self::Red(parts[0].parse()?)),
+            "green" => Ok(Self::Green(parts[0].parse()?)),
+            "blue" => Ok(Self::Blue(parts[0].parse()?)),
+            _ => Err(anyhow::anyhow!("failed to parse {}", parts[1])),
+        }
+    }
+}
+
+pub fn parse(fh: File) -> Result<Vec<Vec<Vec<Color>>>> {
+    parse::raw_lines(fh)
+        .map(|line| {
+            let line = line.split(": ").nth(1).unwrap();
+            line.split("; ")
+                .map(|draw| {
+                    draw.split(", ")
+                        .map(|color| color.parse::<Color>())
+                        .collect::<Result<Vec<_>, _>>()
+                })
+                .collect::<Result<Vec<Vec<_>>, _>>()
+        })
+        .collect()
+}
+
+pub fn part1(games: Vec<Vec<Vec<Color>>>) -> Result<i64> {
+    let mut total = 0;
+    'game: for (i, game) in games.into_iter().enumerate() {
+        for draw in game {
+            for color in draw {
+                match color {
+                    Color::Red(n) => {
+                        if n > 12 {
+                            continue 'game;
+                        }
+                    }
+                    Color::Green(n) => {
+                        if n > 13 {
+                            continue 'game;
+                        }
+                    }
+                    Color::Blue(n) => {
+                        if n > 14 {
+                            continue 'game;
+                        }
+                    }
+                }
+            }
+        }
+        total += i64::try_from(i).unwrap() + 1;
+    }
+    Ok(total)
+}
+
+pub fn part2(games: Vec<Vec<Vec<Color>>>) -> Result<i64> {
+    let mut total = 0;
+    for game in games {
+        let mut min_red = 0;
+        let mut min_green = 0;
+        let mut min_blue = 0;
+        for draw in game {
+            for color in draw {
+                match color {
+                    Color::Red(n) => {
+                        if n > min_red {
+                            min_red = n;
+                        }
+                    }
+                    Color::Green(n) => {
+                        if n > min_green {
+                            min_green = n;
+                        }
+                    }
+                    Color::Blue(n) => {
+                        if n > min_blue {
+                            min_blue = n;
+                        }
+                    }
+                }
+            }
+        }
+        total += min_red * min_green * min_blue;
+    }
+    Ok(total)
+}
+
+#[test]
+fn test() {
+    assert_eq!(
+        part1(parse(parse::data(2023, 2).unwrap()).unwrap()).unwrap(),
+        2617
+    );
+    assert_eq!(
+        part2(parse(parse::data(2023, 2).unwrap()).unwrap()).unwrap(),
+        59795
+    );
+}
diff --git a/src/bin/2023/main.rs b/src/bin/2023/main.rs
index 01e0de3..cb9aa54 100644
--- a/src/bin/2023/main.rs
+++ b/src/bin/2023/main.rs
@@ -12,6 +12,7 @@
 use advent_of_code::prelude::*;
 
 mod day1;
+mod day2;
 // NEXT MOD
 
 #[paw::main]
@@ -19,6 +20,7 @@ fn main(opt: Opt) -> Result<()> {
     #[allow(clippy::match_single_binding)]
     match opt.day {
         1 => advent_of_code::day!(2023, opt.day, opt.puzzle, day1),
+        2 => advent_of_code::day!(2023, opt.day, opt.puzzle, day2),
         // NEXT PART
         _ => panic!("unknown day {}", opt.day),
     }