porting over AOC from previous years to a monorepo.

2026-04-16 14:45:29 +02:00 · 2026-04-16 14:45:29 +02:00 · 84c4cf9991
commit 84c4cf9991
194 changed files with 30104 additions and 0 deletions
--- a/2022/days/03/src/utilities.rs
+++ b/2022/days/03/src/utilities.rs
@ -0,0 +1,93 @@
+use std::collections::HashSet;
+#[derive(Debug, PartialEq, Eq)]
+pub struct Rucksack(pub HashSet<char>, pub HashSet<char>);
+
+pub fn parse(input: &str) -> Vec<Rucksack> {
+    input
+        .lines()
+        .map(|line| {
+            let (first, second) = line.split_at(line.len() / 2);
+            Rucksack(first.chars().collect(), second.chars().collect())
+        })
+        .collect()
+}
+
+pub fn find_char_score(input: &char) -> usize {
+    if input.is_uppercase() {
+        *input as usize - 38
+    } else {
+        *input as usize - 96
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_find_char_score() {
+        static CHARS: [char; 52] = [
+            'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q',
+            'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
+            'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y',
+            'Z',
+        ];
+
+        for character in CHARS {
+            println!("{}", character);
+            assert_eq!(
+                find_char_score(&character),
+                CHARS.iter().position(|c| *c == character).unwrap() + 1
+            )
+        }
+    }
+
+    #[test]
+    fn test_parse() {
+        let input = "vJrwpWtwJgWrhcsFMMfFFhFp
+jqHRNqRjqzjGDLGLrsFMfFZSrLrFZsSL
+PmmdzqPrVvPwwTWBwg
+wMqvLMZHhHMvwLHjbvcjnnSBnvTQFn
+ttgJtRGJQctTZtZT
+CrZsJsPPZsGzwwsLwLmpwMDw";
+        assert_eq!(
+            parse(input),
+            vec![
+                Rucksack(
+                    HashSet::from(['v', 'J', 'r', 'w', 'p', 'W', 't', 'w', 'J', 'g', 'W', 'r']),
+                    HashSet::from(['h', 'c', 's', 'F', 'M', 'M', 'f', 'F', 'F', 'h', 'F', 'p'])
+                ),
+                Rucksack(
+                    HashSet::from([
+                        'j', 'q', 'H', 'R', 'N', 'q', 'R', 'j', 'q', 'z', 'j', 'G', 'D', 'L', 'G',
+                        'L'
+                    ]),
+                    HashSet::from([
+                        'r', 's', 'F', 'M', 'f', 'F', 'Z', 'S', 'r', 'L', 'r', 'F', 'Z', 's', 'S',
+                        'L'
+                    ])
+                ),
+                Rucksack(
+                    HashSet::from(['P', 'm', 'm', 'd', 'z', 'q', 'P', 'r', 'V']),
+                    HashSet::from(['v', 'P', 'w', 'w', 'T', 'W', 'B', 'w', 'g'])
+                ),
+                Rucksack(
+                    HashSet::from([
+                        'w', 'M', 'q', 'v', 'L', 'M', 'Z', 'H', 'h', 'H', 'M', 'v', 'w', 'L', 'H',
+                    ]),
+                    HashSet::from([
+                        'j', 'b', 'v', 'c', 'j', 'n', 'n', 'S', 'B', 'n', 'v', 'T', 'Q', 'F', 'n',
+                    ])
+                ),
+                Rucksack(
+                    HashSet::from(['t', 't', 'g', 'J', 't', 'R', 'G', 'J',]),
+                    HashSet::from(['Q', 'c', 't', 'T', 'Z', 't', 'Z', 'T',])
+                ),
+                Rucksack(
+                    HashSet::from(['C', 'r', 'Z', 's', 'J', 's', 'P', 'P', 'Z', 's', 'G', 'z',]),
+                    HashSet::from(['w', 'w', 's', 'L', 'w', 'L', 'm', 'p', 'w', 'M', 'D', 'w',])
+                ),
+            ]
+        );
+    }
+}