day2 solution

2023/input/2023/day2.txt

@@ -0,0 +1,100 @@
+Game 1: 9 red, 2 green, 13 blue; 10 blue, 2 green, 13 red; 8 blue, 3 red, 6 green; 5 green, 2 red, 1 blue
+Game 2: 2 green, 2 blue, 16 red; 14 red; 13 red, 13 green, 2 blue; 7 red, 7 green, 2 blue
+Game 3: 6 red, 4 green, 7 blue; 7 blue, 9 red, 3 green; 2 red, 4 green; 6 red, 2 blue; 7 blue, 9 red, 5 green
+Game 4: 8 red, 2 green, 2 blue; 5 red, 2 blue, 3 green; 7 red, 9 green, 2 blue; 10 blue, 16 green, 1 red; 6 blue, 1 green, 8 red
+Game 5: 12 blue, 6 red, 1 green; 10 green, 8 blue, 15 red; 1 green, 12 red, 11 blue; 3 green, 11 blue, 1 red; 7 blue, 5 red, 5 green; 11 green, 2 blue
+Game 6: 3 blue, 10 green, 2 red; 5 green; 6 blue, 3 red
+Game 7: 3 green, 1 blue, 4 red; 3 red, 13 blue; 14 blue, 6 red; 7 green, 15 blue, 9 red; 1 green, 3 red, 9 blue
+Game 8: 19 red, 1 green, 4 blue; 14 blue; 2 red, 3 blue
+Game 9: 5 green, 14 blue, 3 red; 8 red, 16 blue, 5 green; 12 green, 15 red, 4 blue; 14 blue, 17 red; 6 red, 11 blue, 8 green
+Game 10: 9 red, 7 blue; 6 red, 3 blue, 4 green; 1 red, 5 green, 3 blue; 5 red, 9 green, 6 blue; 7 blue, 6 green
+Game 11: 2 blue, 10 green; 11 green; 2 green, 1 red, 2 blue; 2 blue, 1 green, 1 red; 2 blue, 18 green
+Game 12: 6 green, 2 red; 2 green; 11 red, 6 green, 1 blue
+Game 13: 1 blue, 10 red, 2 green; 2 green, 7 red; 9 green, 9 red; 1 red, 4 green
+Game 14: 7 red, 15 green, 17 blue; 10 green, 6 red, 12 blue; 3 blue, 7 red, 3 green
+Game 15: 8 green; 10 red, 17 green, 1 blue; 9 red, 1 blue; 6 green, 8 red; 1 green, 1 red; 17 green, 2 red
+Game 16: 3 blue, 2 green, 7 red; 12 blue, 9 red, 5 green; 8 green, 3 blue, 5 red; 6 red, 2 blue, 11 green; 3 green, 8 blue, 9 red; 1 green, 5 red, 12 blue
+Game 17: 2 green, 1 blue, 3 red; 1 blue, 1 green, 4 red; 2 blue, 2 green, 11 red; 1 red, 2 green; 2 blue, 10 red, 2 green
+Game 18: 3 blue, 3 red; 8 blue, 1 green, 5 red; 4 green, 6 blue, 3 red
+Game 19: 9 red, 3 green, 14 blue; 15 red, 2 blue, 1 green; 2 green, 15 red, 5 blue; 3 red, 3 blue, 1 green
+Game 20: 2 red, 1 blue, 5 green; 11 blue, 1 red, 4 green; 6 blue, 2 red, 2 green; 13 blue, 2 red, 10 green; 7 green, 13 blue
+Game 21: 3 red, 1 green, 1 blue; 3 red, 7 blue, 1 green; 1 green, 4 red, 7 blue; 1 green; 6 blue, 3 red; 2 red, 6 blue
+Game 22: 7 red, 5 green, 2 blue; 14 red; 2 blue, 5 green, 15 red; 1 blue, 5 green, 14 red; 13 red, 1 green; 3 red, 1 green
+Game 23: 2 green, 8 blue, 5 red; 3 blue, 9 red; 9 blue, 2 green; 9 red, 2 green, 5 blue; 5 red, 2 green
+Game 24: 14 green, 7 blue, 2 red; 7 blue, 3 red, 16 green; 1 blue, 5 red, 6 green; 3 blue, 7 red, 2 green; 7 red, 9 green
+Game 25: 3 blue, 8 red, 15 green; 2 red, 8 green, 2 blue; 16 red, 3 blue, 13 green
+Game 26: 1 blue, 9 red, 8 green; 6 green, 1 red, 3 blue; 7 red, 8 blue, 6 green; 9 red, 7 green
+Game 27: 6 red, 9 green, 1 blue; 8 green, 3 red, 1 blue; 8 green, 15 red; 14 red, 11 green, 2 blue; 11 green, 4 red, 2 blue; 1 blue, 16 red
+Game 28: 6 green, 10 blue, 4 red; 6 red, 2 blue, 6 green; 6 green, 14 blue, 17 red; 9 green, 1 red, 9 blue
+Game 29: 10 blue, 2 red; 3 red, 11 green, 7 blue; 8 green, 2 blue, 7 red; 17 green, 5 blue, 9 red; 19 green, 10 red, 9 blue
+Game 30: 6 blue, 9 green, 6 red; 17 green, 10 blue, 8 red; 17 green, 12 red, 7 blue
+Game 31: 9 red, 1 green, 1 blue; 3 red; 6 red, 1 blue, 1 green; 2 blue, 7 red
+Game 32: 3 green, 8 blue; 5 red, 4 green, 2 blue; 10 blue, 3 green; 2 green, 4 blue; 2 green, 16 blue, 2 red
+Game 33: 2 red, 8 blue; 2 green, 6 red, 1 blue; 7 red, 12 blue; 1 red, 1 green, 7 blue; 1 green, 3 red, 2 blue
+Game 34: 15 green; 1 red, 6 green; 6 blue, 1 red, 17 green; 14 green, 3 blue; 11 green, 1 red; 4 green, 1 blue
+Game 35: 4 red, 3 green, 12 blue; 20 blue, 2 red, 2 green; 4 red, 4 green, 8 blue
+Game 36: 8 red, 7 green; 15 red, 2 blue, 3 green; 2 red, 1 blue, 5 green; 4 green, 1 blue, 9 red; 14 red, 1 blue, 1 green; 11 green, 12 red
+Game 37: 3 red, 3 green, 8 blue; 3 blue; 1 green, 3 blue, 2 red; 1 red, 2 blue, 2 green
+Game 38: 18 red, 12 blue, 7 green; 7 blue, 10 red, 10 green; 1 green, 6 blue, 10 red; 7 red, 3 blue, 12 green; 9 green, 5 blue, 3 red
+Game 39: 2 blue, 2 green, 2 red; 5 blue, 1 green; 1 blue; 1 red, 5 blue, 2 green
+Game 40: 4 blue, 1 green; 5 blue, 1 red, 7 green; 2 red, 5 green, 5 blue
+Game 41: 15 blue, 3 green, 16 red; 16 blue, 18 red, 8 green; 8 green, 1 blue, 12 red; 11 blue, 5 green, 18 red; 5 green, 20 red, 17 blue
+Game 42: 7 red, 10 green; 1 blue, 5 red, 6 green; 6 red, 3 blue, 9 green; 6 green, 3 blue, 8 red; 4 green, 4 red, 2 blue; 2 blue, 1 green
+Game 43: 6 blue, 5 red, 1 green; 2 green; 2 blue, 1 red; 4 green, 5 blue, 2 red
+Game 44: 10 green; 8 green; 10 green, 2 blue, 10 red
+Game 45: 9 green, 3 red; 8 green, 2 blue; 2 green, 8 blue
+Game 46: 2 red, 9 blue, 9 green; 6 red, 10 green, 11 blue; 5 red, 4 green, 3 blue; 3 red, 2 green, 14 blue; 5 green, 5 red, 12 blue; 1 red, 9 green, 18 blue
+Game 47: 2 red, 3 blue; 2 green; 2 green, 3 blue
+Game 48: 9 green, 6 red, 1 blue; 3 blue, 12 green, 8 red; 4 red, 5 green, 5 blue; 14 green, 5 red; 1 red, 18 green, 4 blue
+Game 49: 11 red, 10 green, 12 blue; 4 green, 6 red, 6 blue; 9 red, 3 blue, 7 green; 6 red, 10 green, 14 blue; 8 blue, 10 red, 5 green; 6 blue, 17 green, 6 red
+Game 50: 8 blue, 4 green, 2 red; 1 red; 10 green, 4 blue, 1 red; 5 green, 8 blue, 2 red; 6 red, 1 blue, 3 green; 6 blue, 6 red, 1 green
+Game 51: 3 red, 3 blue, 2 green; 8 green, 5 red; 11 red, 11 green, 2 blue; 12 green, 2 blue, 19 red; 12 red, 1 blue, 12 green; 10 green, 1 blue, 3 red
+Game 52: 2 blue, 15 red; 19 red, 4 green; 11 red, 3 green, 6 blue; 1 green, 2 blue, 8 red; 3 blue, 6 red; 1 green, 7 blue, 1 red
+Game 53: 1 green; 2 green, 1 blue; 1 red
+Game 54: 1 red, 1 green, 12 blue; 1 green, 5 red, 12 blue; 2 green, 4 blue; 13 blue, 2 red, 2 green; 2 green, 10 blue, 1 red; 5 red, 1 green, 7 blue
+Game 55: 4 green, 16 blue, 11 red; 6 red, 15 blue; 6 blue, 4 green, 5 red; 10 blue, 10 red, 3 green
+Game 56: 3 red, 8 blue, 11 green; 9 green, 5 red, 4 blue; 1 blue, 4 red, 4 green
+Game 57: 3 red, 12 green, 7 blue; 13 green, 14 blue, 1 red; 4 red, 6 green, 9 blue; 12 blue, 13 green
+Game 58: 4 red, 4 blue, 3 green; 3 blue, 4 red; 11 green, 2 blue, 2 red
+Game 59: 12 green, 5 red, 1 blue; 7 red, 1 blue, 3 green; 17 green, 2 blue, 4 red; 12 red, 17 green; 7 red, 10 green, 2 blue
+Game 60: 5 blue, 3 green; 5 green, 11 red, 12 blue; 1 red, 2 blue, 15 green
+Game 61: 12 blue, 1 green, 12 red; 14 blue, 12 green, 5 red; 7 red, 12 blue, 16 green
+Game 62: 1 green, 8 red, 8 blue; 11 blue, 2 red; 1 green, 10 blue, 12 red; 7 red, 2 blue, 1 green; 6 red, 1 green, 11 blue; 1 green, 6 red, 6 blue
+Game 63: 17 green, 16 red, 10 blue; 9 red, 14 green, 11 blue; 5 green, 16 red
+Game 64: 12 red, 1 green, 1 blue; 4 blue, 7 red; 10 blue, 4 green, 6 red; 8 blue, 4 red, 13 green; 13 green, 9 blue, 9 red; 13 blue, 7 red, 3 green
+Game 65: 4 blue, 3 green, 4 red; 10 blue, 5 red, 7 green; 1 red, 4 blue, 3 green; 13 green, 1 red, 9 blue; 8 green, 3 blue
+Game 66: 17 green, 13 red, 3 blue; 15 green, 2 red, 4 blue; 10 red, 4 blue, 5 green; 6 red, 5 blue, 7 green; 3 red, 10 green, 1 blue
+Game 67: 10 blue; 4 blue, 4 red; 4 blue, 3 green, 3 red; 1 green, 5 blue, 3 red
+Game 68: 6 green, 6 blue, 3 red; 13 blue, 1 red; 14 blue, 6 red, 2 green; 14 blue, 7 red, 2 green
+Game 69: 2 green, 2 blue, 3 red; 1 red, 6 blue, 4 green; 8 green, 9 red; 2 green
+Game 70: 2 red, 7 green; 1 red, 10 green, 1 blue; 6 blue, 14 green; 6 green, 2 blue, 1 red; 5 blue, 10 green, 2 red; 2 blue, 11 green
+Game 71: 6 blue, 4 red, 7 green; 13 green, 6 red, 3 blue; 8 green, 2 blue, 4 red
+Game 72: 3 blue, 1 green, 11 red; 5 green, 11 blue, 4 red; 7 blue, 13 red; 14 blue, 12 red, 5 green
+Game 73: 8 red, 19 blue, 4 green; 15 green, 3 red, 16 blue; 7 blue, 9 red
+Game 74: 5 green, 8 red, 6 blue; 8 green, 9 red; 11 green, 6 blue
+Game 75: 1 green, 6 red, 4 blue; 2 green, 13 blue, 6 red; 10 red, 1 green, 10 blue
+Game 76: 3 blue, 6 green, 2 red; 7 red, 6 blue, 4 green; 5 blue, 6 red, 3 green
+Game 77: 17 red, 6 green; 7 green, 12 red, 4 blue; 4 red, 7 green, 14 blue
+Game 78: 1 green, 15 red, 5 blue; 16 green, 3 red, 18 blue; 13 blue, 1 red, 13 green
+Game 79: 7 red, 1 blue, 3 green; 2 green, 5 red; 5 green, 2 blue, 8 red; 11 red, 1 blue, 3 green
+Game 80: 9 blue, 4 red; 4 green, 3 blue, 4 red; 7 red, 9 blue, 4 green; 5 red, 9 blue, 4 green; 3 red, 11 blue, 5 green; 6 red, 4 green, 11 blue
+Game 81: 1 red, 16 green, 2 blue; 4 red, 15 green, 10 blue; 2 red, 9 blue, 17 green; 10 blue, 16 green
+Game 82: 4 blue, 3 green; 2 green, 3 blue; 4 blue, 2 red, 2 green; 2 red, 1 green
+Game 83: 10 blue, 8 red, 19 green; 8 red, 4 blue, 17 green; 2 blue, 9 red, 6 green; 11 blue, 2 red, 17 green; 1 red, 17 green, 8 blue
+Game 84: 4 blue, 1 red, 6 green; 7 blue, 10 green, 4 red; 1 green, 7 blue, 1 red
+Game 85: 1 blue, 2 red, 1 green; 5 blue, 2 green, 9 red; 1 green, 2 red, 10 blue
+Game 86: 17 blue, 9 green, 9 red; 19 red, 12 green, 11 blue; 19 red, 9 green, 17 blue
+Game 87: 11 green, 6 red; 1 green, 4 blue; 16 green, 5 red; 14 green, 1 red, 14 blue; 12 blue, 8 green, 6 red; 4 red, 11 blue, 2 green
+Game 88: 6 green, 7 red, 1 blue; 5 red, 1 green, 1 blue; 3 red, 6 green
+Game 89: 1 green, 8 blue, 1 red; 8 red, 1 green; 4 red, 6 blue; 4 red, 10 blue; 8 red, 9 blue, 1 green
+Game 90: 6 blue, 12 green; 1 red, 4 blue, 14 green; 5 red, 5 blue, 6 green; 1 blue, 3 red, 3 green; 7 green, 4 blue; 2 green, 2 red, 1 blue
+Game 91: 2 blue, 12 red, 4 green; 7 green, 6 red; 1 blue, 7 green, 6 red; 5 green, 5 red, 1 blue; 1 blue, 11 green, 9 red; 4 red, 1 blue, 2 green
+Game 92: 4 blue, 12 green; 6 red, 4 blue, 2 green; 5 blue, 1 red, 17 green; 6 red, 4 blue, 15 green; 3 blue, 5 red, 13 green
+Game 93: 8 green, 2 blue, 16 red; 7 green, 3 blue, 8 red; 9 green, 4 red, 3 blue; 13 red, 5 blue; 5 blue, 1 green, 10 red; 1 blue, 9 red
+Game 94: 7 blue, 5 red, 14 green; 8 green, 3 blue, 1 red; 4 blue, 8 red
+Game 95: 3 blue, 4 green, 10 red; 5 blue, 17 red, 2 green; 18 red, 2 green, 5 blue; 3 blue, 3 green, 2 red; 4 blue, 18 red; 6 red, 2 green
+Game 96: 1 blue, 9 green, 2 red; 3 red, 10 green; 2 red, 8 green, 4 blue; 17 green, 2 blue; 10 green, 1 blue, 1 red; 8 green, 1 blue, 3 red
+Game 97: 9 green, 1 blue; 1 blue, 6 green; 7 blue, 3 green; 3 red; 17 green, 5 red; 1 blue, 17 green, 5 red
+Game 98: 4 blue, 7 green, 2 red; 15 green, 10 blue, 1 red; 4 blue, 5 green; 1 green, 2 red, 5 blue
+Game 99: 2 green, 1 blue, 14 red; 11 red, 6 blue, 5 green; 10 red, 18 blue, 1 green; 5 green, 9 blue, 9 red
+Game 100: 5 blue, 5 green; 7 blue, 15 green; 4 red, 7 green, 12 blue; 7 green, 1 blue; 5 blue, 9 green, 1 red

2023/src/day02.rs

@@ -0,0 +1,99 @@
+use aoc_runner_derive::{aoc, aoc_generator};
+
+const MAX_RED: u32 = 12;
+const MAX_GREEN: u32 = 13;
+const MAX_BLUE: u32 = 14;
+
+#[derive(Debug)]
+struct Turn {
+    red: u32,
+    green: u32,
+    blue: u32,
+}
+
+#[derive(Debug)]
+struct Game {
+    id: u32,
+    turns: Vec<Turn>,
+}
+
+impl Game {
+    fn part1_possible(&self) -> Option<u32> {
+        for turn in self.turns.iter() {
+            if turn.red > MAX_RED || turn.green > MAX_GREEN || turn.blue > MAX_BLUE {
+                return None;
+            }
+        }
+        return Some(self.id);
+    }
+
+    fn part2_power(&self) -> u32 {
+        let mut max_red = 0;
+        let mut max_green = 0;
+        let mut max_blue = 0;
+
+        for turn in self.turns.iter() {
+            if turn.red > max_red {
+                max_red = turn.red;
+            }
+            if turn.green > max_green {
+                max_green = turn.green;
+            }
+            if turn.blue > max_blue {
+                max_blue = turn.blue;
+            }
+        }
+
+        max_red * max_green * max_blue
+    }
+}
+
+#[aoc_generator(day2)]
+fn parse(input: &str) -> Vec<Game> {
+    input
+        .lines()
+        .filter_map(|line| {
+            if !line.is_empty() {
+                let gparts: Vec<&str> = line.split(": ").collect();
+                let game_id = gparts[0].split(" ").collect::<Vec<&str>>()[1]
+                    .parse::<u32>()
+                    .unwrap();
+                let mut turns: Vec<Turn> = vec![];
+                for whole_turn in gparts[1].split("; ") {
+                    let mut red = 0;
+                    let mut green = 0;
+                    let mut blue = 0;
+                    for dice_group in whole_turn.split(", ") {
+                        let dice_parts: Vec<&str> = dice_group.split(" ").collect();
+                        let count = dice_parts[0].parse::<u32>().unwrap();
+                        match dice_parts[1] {
+                            "red" => red = count,
+                            "green" => green = count,
+                            "blue" => blue = count,
+                            _ => println!("invalid color! {}", dice_parts[0]),
+                        }
+                    }
+                    turns.push(Turn { red, green, blue });
+                }
+                Some(Game { id: game_id, turns })
+            } else {
+                None
+            }
+        })
+        .collect()
+}
+
+#[aoc(day2, part1)]
+fn part1_valid_game_sum(input: &[Game]) -> u32 {
+    input.iter().filter_map(|game| game.part1_possible()).sum()
+}
+
+#[aoc(day2, part2)]
+fn part2_power_sum(input: &[Game]) -> u32 {
+    input.iter().map(|game| game.part2_power()).sum()
+}
+
+#[cfg(test)]
+mod tests {
+    // use super::*;
+}

2023/src/lib.rs

@@ -1,5 +1,6 @@
 use aoc_runner_derive::aoc_lib;
 
 mod day01;
+mod day02;
 
 aoc_lib! { year = 2023 }