Solve 2015-19

README.md

@@ -40,7 +40,7 @@ All currently implemented puzzles run in 200ms or less.
 | 16  | [Aunt Sue](puzzles/2015/2015-16/)                               | ✅     | ✅     |
 | 17  | No Such Thing as Too Much                                       | ❌     | ❌     |
 | 18  | Like a GIF For Your Yard                                        | ❌     | ❌     |
-| 19  | Medicine for Rudolph                                            | ❌     | ❌     |
+| 19  | [Medicine for Rudolph](puzzles/2015/2015-19/)                   | ❌     | ❌     |
 | 20  | Infinite Elves and Infinite Houses                              | ❌     | ❌     |
 | 21  | RPG Simulator 20XX                                              | ❌     | ❌     |
 | 22  | Wizard Simulator 20XX                                           | ❌     | ❌     |

puzzles/2015/2015-19/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "puzzle-2015-19"
+edition = "2024"
+
+[dependencies]
+ornament.workspace = true

puzzles/2015/2015-19/input.txt

@@ -0,0 +1,45 @@
+Al => ThF
+Al => ThRnFAr
+B => BCa
+B => TiB
+B => TiRnFAr
+Ca => CaCa
+Ca => PB
+Ca => PRnFAr
+Ca => SiRnFYFAr
+Ca => SiRnMgAr
+Ca => SiTh
+F => CaF
+F => PMg
+F => SiAl
+H => CRnAlAr
+H => CRnFYFYFAr
+H => CRnFYMgAr
+H => CRnMgYFAr
+H => HCa
+H => NRnFYFAr
+H => NRnMgAr
+H => NTh
+H => OB
+H => ORnFAr
+Mg => BF
+Mg => TiMg
+N => CRnFAr
+N => HSi
+O => CRnFYFAr
+O => CRnMgAr
+O => HP
+O => NRnFAr
+O => OTi
+P => CaP
+P => PTi
+P => SiRnFAr
+Si => CaSi
+Th => ThCa
+Ti => BP
+Ti => TiTi
+e => HF
+e => NAl
+e => OMg
+
+ORnPBPMgArCaCaCaSiThCaCaSiThCaCaPBSiRnFArRnFArCaCaSiThCaCaSiThCaCaCaCaCaCaSiRnFYFArSiRnMgArCaSiRnPTiTiBFYPBFArSiRnCaSiRnTiRnFArSiAlArPTiBPTiRnCaSiAlArCaPTiTiBPMgYFArPTiRnFArSiRnCaCaFArRnCaFArCaSiRnSiRnMgArFYCaSiRnMgArCaCaSiThPRnFArPBCaSiRnMgArCaCaSiThCaSiRnTiMgArFArSiThSiThCaCaSiRnMgArCaCaSiRnFArTiBPTiRnCaSiAlArCaPTiRnFArPBPBCaCaSiThCaPBSiThPRnFArSiThCaSiThCaSiThCaPTiBSiRnFYFArCaCaPRnFArPBCaCaPBSiRnTiRnFArCaPRnFArSiRnCaCaCaSiThCaRnCaFArYCaSiRnFArBCaCaCaSiThFArPBFArCaSiRnFArRnCaCaCaFArSiRnFArTiRnPMgArF

puzzles/2015/2015-19/src/lib.rs

@@ -0,0 +1,26 @@
+mod part1;
+
+pub use part1::part_1;
+
+#[cfg(test)]
+mod tests {
+    const INPUT: &str = include_str!("../input.txt");
+
+    #[test]
+    fn part_1() {
+        use super::part_1;
+
+        assert_eq!(
+            part_1(
+                "
+                H => HO
+                H => OH
+                O => HH
+                "
+            ),
+            4
+        );
+
+        assert_eq!(part_1(INPUT), 576);
+    }
+}

puzzles/2015/2015-19/src/main.rs

@@ -0,0 +1,17 @@
+use ornament::{Puzzle, Solution};
+use puzzle_2015_19::part_1;
+
+fn main() {
+    Puzzle {
+        name: "Medicine for Rudolph",
+        year: 2015,
+        day: 19,
+        part_1: |input| {
+            Solution::new(part_1, input, |answer| {
+                format!("{answer} molecules can be created")
+            })
+        },
+        part_2: None,
+    }
+    .solve(include_str!("../input.txt"))
+}

puzzles/2015/2015-19/src/part1.rs

@@ -0,0 +1,3 @@
+pub fn part_1(input: &str) -> usize {
+    todo!()
+}