2023.2

4 files changed, 199 insertions, 0 deletions

diff --git a/2023/rs/Cargo.lock b/2023/rs/Cargo.lock
index f655c3c..9999ada 100644
--- a/2023/rs/Cargo.lock
+++ b/2023/rs/Cargo.lock
@@ -3,5 +3,34 @@
 version = 3
 
 [[package]]
+name = "memchr"
+version = "2.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
+
+[[package]]
+name = "minimal-lexical"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
+[[package]]
+name = "nom"
+version = "7.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+dependencies = [
+ "memchr",
+ "minimal-lexical",
+]
+
+[[package]]
 name = "one"
 version = "0.1.0"
+
+[[package]]
+name = "two"
+version = "0.1.0"
+dependencies = [
+ "nom",
+]
diff --git a/2023/rs/code/two/Cargo.toml b/2023/rs/code/two/Cargo.toml
new file mode 100644
index 0000000..5d10422
--- /dev/null
+++ b/2023/rs/code/two/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "two"
+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/2023/rs/code/two/src/input.txt b/2023/rs/code/two/src/input.txt
new file mode 100644
index 0000000..61950d0
--- /dev/null
+++ b/2023/rs/code/two/src/input.txt
@@ -0,0 +1,100 @@
+Game 1: 10 green, 5 blue; 1 red, 9 green, 10 blue; 5 blue, 6 green, 2 red; 7 green, 9 blue, 1 red; 2 red, 10 blue, 10 green; 7 blue, 1 red
+Game 2: 7 green, 5 red, 3 blue; 4 blue, 7 green, 8 red; 9 blue, 4 green; 6 green, 3 red, 4 blue
+Game 3: 2 green, 4 blue, 13 red; 15 blue, 9 red, 3 green; 3 red, 18 blue, 3 green; 6 red, 4 green, 2 blue; 6 blue, 13 red
+Game 4: 9 red, 1 green, 13 blue; 3 red; 2 blue, 6 red, 1 green; 12 blue, 2 red
+Game 5: 1 red, 8 green; 2 red, 8 green, 8 blue; 1 red, 11 green; 5 blue, 11 green; 11 blue, 2 green; 10 blue, 2 red, 1 green
+Game 6: 1 red, 12 blue; 20 blue, 3 green, 2 red; 4 red, 15 blue
+Game 7: 13 red, 9 green, 1 blue; 8 green, 2 red, 6 blue; 4 green, 5 blue; 7 red, 3 green, 7 blue; 19 red, 5 blue, 1 green
+Game 8: 11 red, 14 green, 4 blue; 2 blue, 5 green, 16 red; 18 blue, 11 red, 2 green; 2 blue, 15 red; 13 green, 8 blue
+Game 9: 7 green, 5 blue, 11 red; 10 red, 7 green, 4 blue; 1 red; 6 green, 2 blue, 9 red; 8 green, 10 red, 6 blue; 5 red, 5 green, 7 blue
+Game 10: 4 blue, 2 green, 1 red; 5 green, 2 red, 1 blue; 3 green, 8 blue, 1 red; 2 blue, 6 green, 2 red; 1 red, 4 green, 2 blue
+Game 11: 3 red, 4 blue; 8 blue, 7 green, 2 red; 7 blue, 1 red, 6 green; 13 blue, 4 green
+Game 12: 2 red, 3 blue, 4 green; 2 blue, 9 red, 8 green; 10 red, 1 blue; 1 green, 7 red, 3 blue; 7 red, 2 blue, 9 green
+Game 13: 12 red, 6 green, 2 blue; 15 green, 2 red, 4 blue; 7 green, 1 red, 3 blue
+Game 14: 9 green, 4 red; 6 blue, 1 red, 7 green; 3 blue, 5 green
+Game 15: 7 red, 3 green, 2 blue; 3 blue, 4 green; 4 blue, 4 green, 9 red
+Game 16: 12 blue, 11 green, 4 red; 8 blue, 9 red, 10 green; 9 green, 11 blue, 13 red; 10 red, 5 blue, 6 green; 2 red; 2 blue, 5 green, 5 red
+Game 17: 3 red, 2 green, 2 blue; 1 blue, 3 red, 1 green; 10 green
+Game 18: 3 green, 1 blue, 4 red; 12 red, 5 green; 3 red, 3 green, 3 blue; 13 red, 2 blue
+Game 19: 13 blue, 8 green, 6 red; 10 red, 12 blue; 8 green, 13 red, 9 blue; 13 green, 3 red, 5 blue; 5 green, 1 blue, 2 red
+Game 20: 19 red, 13 blue, 4 green; 1 red, 4 green, 8 blue; 14 red, 6 blue, 7 green; 11 red, 13 blue, 8 green
+Game 21: 3 green, 13 red, 7 blue; 1 blue, 1 green, 1 red; 3 blue, 15 red, 5 green; 3 blue, 15 red, 2 green; 6 green, 9 red, 14 blue
+Game 22: 2 red, 6 green, 4 blue; 6 green, 2 red; 1 blue, 4 red, 3 green; 11 green, 7 blue, 1 red; 4 red, 8 green, 3 blue
+Game 23: 14 blue; 3 green, 2 red, 3 blue; 5 blue, 1 red
+Game 24: 12 red; 5 blue, 16 red; 2 blue, 1 green, 16 red; 1 green, 11 red; 2 blue, 8 red, 1 green
+Game 25: 4 red, 11 blue, 1 green; 7 red, 9 blue; 6 blue, 10 green
+Game 26: 3 green, 13 red; 7 blue, 13 red, 5 green; 5 blue, 8 green, 11 red; 7 blue, 18 green, 6 red
+Game 27: 6 green, 6 red, 5 blue; 2 blue, 4 green, 11 red; 15 red, 6 green; 4 green, 12 red, 2 blue; 3 blue, 5 red
+Game 28: 16 blue, 6 red, 1 green; 7 red, 4 green, 10 blue; 1 red, 4 green
+Game 29: 5 blue, 4 red; 6 blue, 3 red, 4 green; 2 green, 4 red, 5 blue; 1 green, 7 blue, 4 red; 3 green, 2 blue, 4 red
+Game 30: 2 green; 14 green, 1 blue, 2 red; 5 red, 14 green
+Game 31: 9 blue, 6 red, 7 green; 20 red, 1 green, 15 blue; 6 blue, 7 green, 17 red; 2 blue, 3 green, 6 red; 1 red, 3 blue, 2 green; 5 green, 18 red, 6 blue
+Game 32: 7 green, 9 blue, 8 red; 8 red, 13 green, 19 blue; 2 red, 9 blue, 3 green; 9 green, 6 blue, 6 red
+Game 33: 6 blue, 12 red; 13 blue, 3 green, 15 red; 5 red, 10 blue, 4 green; 11 blue, 6 red
+Game 34: 5 green, 16 blue, 6 red; 10 green, 1 blue, 4 red; 2 red, 7 blue, 6 green; 12 green, 4 blue, 4 red
+Game 35: 11 green, 3 blue; 1 red, 6 blue, 10 green; 11 green, 3 blue; 1 red, 2 blue; 11 green, 3 blue, 1 red; 3 blue, 2 green
+Game 36: 10 green, 6 red, 4 blue; 3 green, 3 blue, 5 red; 6 red, 5 blue, 10 green
+Game 37: 8 red, 7 blue, 5 green; 8 blue, 5 green, 14 red; 8 red, 2 blue
+Game 38: 4 green, 1 red, 4 blue; 8 green, 11 blue; 7 red, 5 blue
+Game 39: 2 blue, 4 red, 4 green; 8 green, 8 red, 1 blue; 3 red
+Game 40: 4 green, 3 red, 14 blue; 4 blue, 13 green, 3 red; 12 green, 2 red, 2 blue; 8 green, 1 red, 11 blue; 4 green, 1 red, 1 blue
+Game 41: 4 red, 1 green, 2 blue; 4 red; 4 red
+Game 42: 12 red, 8 blue, 1 green; 8 green, 6 red, 5 blue; 12 green, 3 red, 13 blue; 1 red, 2 green, 8 blue; 3 green, 5 red, 6 blue
+Game 43: 12 green, 3 blue; 13 green, 7 red, 5 blue; 10 green, 4 red, 4 blue
+Game 44: 6 green, 2 red, 4 blue; 10 green, 6 red; 5 blue, 15 red, 13 green; 1 blue, 6 red, 3 green; 9 red, 5 green, 3 blue; 6 green, 4 blue, 5 red
+Game 45: 10 blue, 14 green; 2 green, 2 red, 12 blue; 7 green, 1 red; 8 blue, 6 green, 1 red
+Game 46: 8 red, 10 green, 15 blue; 9 green, 3 red, 17 blue; 2 blue, 10 red, 5 green; 11 blue, 3 green, 9 red; 5 red, 11 blue, 1 green; 7 green, 5 red, 16 blue
+Game 47: 10 blue, 1 green, 1 red; 3 red, 8 blue, 7 green; 8 red, 9 blue; 2 green, 8 red, 1 blue
+Game 48: 5 blue, 2 green; 2 red, 7 green, 2 blue; 1 blue, 3 green, 1 red
+Game 49: 2 green, 6 red, 5 blue; 6 green; 4 blue, 17 red, 5 green
+Game 50: 5 blue, 10 green; 6 blue, 4 red, 9 green; 7 red, 4 blue; 7 red, 3 blue, 14 green; 5 blue, 10 green, 9 red; 13 green, 1 blue, 9 red
+Game 51: 1 blue, 15 green; 6 green, 2 blue; 5 blue, 1 red, 12 green
+Game 52: 3 red, 15 green; 7 blue, 1 red, 14 green; 8 green, 1 red, 12 blue; 1 red, 9 green, 7 blue
+Game 53: 2 green, 4 red; 1 red, 1 blue; 3 blue, 1 green; 2 red, 2 blue, 2 green
+Game 54: 7 blue, 13 red, 7 green; 1 red, 2 green; 11 red, 10 green, 5 blue; 10 red, 8 green, 5 blue; 8 green, 12 blue, 12 red
+Game 55: 18 red, 3 green, 5 blue; 5 green, 3 blue, 7 red; 3 blue, 3 green, 4 red
+Game 56: 14 red, 17 green, 2 blue; 5 green, 13 red, 1 blue; 11 red, 20 green
+Game 57: 3 red, 6 green, 2 blue; 3 red, 2 green; 2 green, 5 red; 1 blue, 1 green, 2 red
+Game 58: 7 blue, 5 green, 9 red; 10 red, 5 green, 9 blue; 2 blue, 3 red, 8 green; 8 blue, 9 red; 7 red, 3 blue, 7 green; 2 green, 7 red, 1 blue
+Game 59: 4 green, 3 blue; 10 red, 4 green, 4 blue; 2 green, 14 red, 12 blue; 1 blue, 1 green, 13 red; 10 red, 3 green, 3 blue; 2 green
+Game 60: 9 red, 13 blue; 2 green, 5 red, 9 blue; 3 green, 10 blue
+Game 61: 2 red, 8 green, 4 blue; 3 green, 2 red; 10 red, 9 green, 12 blue; 11 green, 17 blue, 3 red; 7 green, 1 red, 14 blue
+Game 62: 1 green, 5 red, 13 blue; 5 blue, 1 green, 8 red; 2 green, 8 blue, 3 red; 1 green, 8 red
+Game 63: 8 green, 15 red, 2 blue; 4 blue, 3 red, 12 green; 4 green, 1 blue, 17 red; 9 green, 18 red, 4 blue
+Game 64: 7 blue, 17 red, 17 green; 3 blue, 4 green, 3 red; 4 red, 19 green, 1 blue; 11 blue, 14 red; 4 blue, 19 green, 7 red; 1 red, 10 green, 11 blue
+Game 65: 1 blue, 17 red, 5 green; 17 red, 3 blue, 2 green; 10 blue, 9 green
+Game 66: 5 blue, 6 red; 8 red, 2 blue, 1 green; 2 green, 3 blue; 8 blue, 10 red; 1 green, 2 red, 5 blue; 1 red, 3 blue
+Game 67: 12 green, 16 blue, 12 red; 15 red, 1 blue, 3 green; 10 red, 3 green, 10 blue; 2 blue, 6 green, 6 red; 9 red, 8 blue, 7 green
+Game 68: 10 red, 7 blue; 12 blue, 9 red; 12 blue, 9 red, 2 green
+Game 69: 14 blue, 3 red, 3 green; 7 green, 7 red, 2 blue; 8 blue, 4 green, 8 red; 6 blue, 14 red, 3 green
+Game 70: 7 blue, 6 green, 2 red; 2 red, 4 blue, 4 green; 2 red, 5 blue, 3 green; 6 green, 2 blue; 5 blue, 2 red, 2 green
+Game 71: 7 green, 15 blue, 3 red; 15 blue, 15 red, 2 green; 10 red, 9 blue; 6 green, 20 blue, 11 red; 12 blue, 3 green, 7 red; 1 red, 7 blue
+Game 72: 2 green, 9 blue, 7 red; 5 green, 3 blue, 5 red; 10 blue, 8 red, 7 green
+Game 73: 18 blue, 5 red, 1 green; 18 blue, 3 red, 9 green; 2 red, 4 blue, 9 green; 5 blue, 5 red; 2 blue, 10 green, 6 red
+Game 74: 1 blue, 10 green, 5 red; 4 green, 12 blue, 6 red; 7 red, 13 green, 3 blue; 5 blue, 8 green, 4 red
+Game 75: 4 red, 2 blue, 5 green; 2 blue, 7 red, 4 green; 2 blue, 4 green, 3 red; 12 green, 2 blue; 10 green, 1 blue, 2 red
+Game 76: 8 green, 6 blue, 5 red; 1 red, 2 blue, 9 green; 7 red, 9 green; 5 green, 1 blue, 11 red
+Game 77: 3 blue, 10 red, 9 green; 7 blue, 6 red, 4 green; 4 red, 1 green, 8 blue
+Game 78: 2 blue, 1 red, 14 green; 11 green, 1 blue; 15 green, 1 red
+Game 79: 3 green, 17 blue, 1 red; 3 red, 2 blue, 10 green; 13 blue, 11 green, 5 red; 16 blue, 2 green, 16 red; 11 green, 1 blue, 14 red
+Game 80: 7 red, 10 blue, 5 green; 6 blue, 6 green, 8 red; 6 blue, 3 green, 5 red
+Game 81: 1 blue, 14 red, 6 green; 1 red, 13 blue, 12 green; 2 green, 15 red, 15 blue
+Game 82: 5 blue, 8 red, 6 green; 19 blue, 4 green; 9 green, 15 blue, 3 red
+Game 83: 19 red, 15 green, 2 blue; 17 red, 4 green, 1 blue; 13 green, 18 red
+Game 84: 9 green, 14 red; 11 green, 14 red, 1 blue; 1 blue, 2 red, 3 green; 13 green, 10 red; 1 green, 5 red
+Game 85: 4 red, 2 green, 11 blue; 8 blue, 3 red; 4 red, 1 blue, 5 green; 2 red, 3 green; 1 green, 8 red, 12 blue
+Game 86: 5 blue, 1 red; 8 blue; 2 red, 1 green, 12 blue; 12 blue, 2 red
+Game 87: 3 red, 10 green, 3 blue; 13 blue, 6 red, 2 green; 1 green, 2 red, 10 blue
+Game 88: 10 red, 3 green, 8 blue; 3 red, 18 blue, 2 green; 3 green, 15 blue; 15 green, 16 blue, 8 red
+Game 89: 10 blue, 1 red; 4 green, 9 red, 13 blue; 10 red, 3 green, 12 blue; 2 green, 1 red, 16 blue; 10 blue, 1 red, 6 green
+Game 90: 4 red, 2 blue, 15 green; 5 red, 1 blue, 12 green; 3 blue, 3 red, 7 green; 4 blue, 3 red, 7 green; 1 red, 2 green, 1 blue; 1 blue, 4 green, 3 red
+Game 91: 16 red, 10 blue, 1 green; 13 green, 13 red, 19 blue; 11 blue, 12 green, 2 red
+Game 92: 8 blue, 4 green, 5 red; 7 blue, 4 red; 2 green, 15 blue; 16 blue, 4 red; 1 red, 7 green, 16 blue; 11 blue, 1 red, 3 green
+Game 93: 12 green, 2 blue, 2 red; 8 red, 16 green, 8 blue; 15 red, 4 blue, 7 green; 1 red, 4 blue, 15 green; 13 green, 5 red, 4 blue; 5 green, 8 blue, 12 red
+Game 94: 13 green, 10 red; 11 red, 19 green, 1 blue; 1 blue, 10 red, 12 green; 18 green, 9 red, 1 blue; 8 green, 1 red
+Game 95: 3 green, 4 blue; 2 red, 2 green, 2 blue; 7 red, 3 green
+Game 96: 5 red, 7 green; 4 blue, 14 green, 10 red; 13 green; 13 green, 3 blue; 13 green, 1 red, 3 blue; 12 red, 1 green
+Game 97: 2 green, 1 blue; 9 red; 4 blue, 8 red; 4 green, 1 red, 14 blue; 2 green, 9 blue; 1 red, 6 blue, 2 green
+Game 98: 12 green, 9 blue, 13 red; 6 red, 7 blue; 2 blue, 2 green
+Game 99: 9 red, 3 green, 10 blue; 10 red, 10 blue, 4 green; 2 green, 15 blue, 3 red; 12 blue, 4 red
+Game 100: 15 blue, 6 red; 1 green, 2 red; 12 blue, 8 green, 1 red; 1 red, 7 blue
diff --git a/2023/rs/code/two/src/main.rs b/2023/rs/code/two/src/main.rs
new file mode 100644
index 0000000..3effd9a
--- /dev/null
+++ b/2023/rs/code/two/src/main.rs
@@ -0,0 +1,61 @@
+use nom::{Parser, IResult};
+use nom::character::complete::*;
+use nom::bytes::complete::*;
+use nom::sequence::*;
+use nom::combinator::*;
+use nom::number::complete as number;
+use nom::multi::*;
+
+struct Game {
+  pub id: u32,
+  pub rounds: Vec<Round>
+}
+#[derive(Default)]
+struct Round {
+  pub red: u8,
+  pub green: u8,
+  pub blue: u8
+}
+
+// feck, i think nom may have been a bit too much for this.
+
+fn parse_game(i: &str) -> IResult<&str, Game> {
+  separated_pair(
+    preceded(
+      tag("Game "),
+      digit1.map(|s: &str| s.parse().unwrap())),
+    tag(": "),
+    separated_list1(
+      tag("; "),
+      fold_many0(
+        terminated(
+          separated_pair(
+            digit1.map(|s: &str| s.parse().unwrap()),
+            tag(" "),
+            alpha1),
+          opt(tag(", "))),
+        || Round::default(),
+        |mut r, (n, t)| match t {
+          "red" => {r.red = n; r},
+          "green" => {r.green = n; r},
+          "blue" => {r.blue = n; r},
+          _ => r
+        }))).map(|(n, r)| Game{id: n, rounds: r}).parse(i)
+}
+
+static INPUT: &str = include_str!("input.txt");
+
+fn main() {
+  let valueified = INPUT.split("\n").filter(|s| !s.is_empty()).map(|g| parse_game(g).unwrap().1);
+
+  let valid_id_sum = valueified.clone().filter(|g| !g.rounds.iter().any(|r| r.red > 12 || r.green > 13 || r.blue > 14)).map(|g| g.id).sum::<u32>();
+  println!("Sum of valid IDs: {valid_id_sum}");
+
+  let game_power_sum = valueified.map(|g| {
+      let red = g.rounds.iter().map(|r| r.red).max().unwrap_or(0);
+      let green = g.rounds.iter().map(|r| r.green).max().unwrap_or(0);
+      let blue = g.rounds.iter().map(|r| r.blue).max().unwrap_or(0);
+      red as u32 * green as u32 * blue as u32
+    }).sum::<u32>();
+  println!("Sum of game powers: {game_power_sum}");
+}