6 changed files with 0 additions and 411 deletions
--- a/2022/data/day3.expected
+++ b/2022/data/day3.expected
@ -1,2 +0,0 @@
-8252
-2828
--- a/2022/data/day3.input
+++ b/2022/data/day3.input
@ -1,300 +0,0 @@
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--- a/2022/day3/rust/Cargo.toml
+++ b/2022/day3/rust/Cargo.toml
@ -1,8 +0,0 @@
-[package]
-name = "rust_2022_03"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
--- a/2022/day3/rust/src/main.rs
+++ b/2022/day3/rust/src/main.rs
@ -1,96 +0,0 @@
-use std::{
-    io::{stdin, Read},
-    ops::{BitAnd, BitOr},
-};
-
-fn item_priority(item: char) -> u32 {
-    match item {
-        'a'..='z' => item as u32 - 'a' as u32 + 1,
-        'A'..='Z' => item as u32 - 'A' as u32 + 27,
-        _ => panic!("invalid item {item}"),
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-struct ItemSet(u64);
-
-impl ItemSet {
-    pub fn priority_of_single_item(self) -> Option<u32> {
-        if self.0.is_power_of_two() {
-            Some(self.0.trailing_zeros())
-        } else {
-            None
-        }
-    }
-}
-
-impl FromIterator<char> for ItemSet {
-    fn from_iter<T: IntoIterator<Item = char>>(iter: T) -> Self {
-        Self(
-            iter.into_iter()
-                .map(item_priority)
-                .fold(0, |acc, i| acc | (1 << i)),
-        )
-    }
-}
-
-impl BitOr for ItemSet {
-    type Output = Self;
-
-    fn bitor(self, rhs: Self) -> Self::Output {
-        Self(BitOr::bitor(self.0, rhs.0))
-    }
-}
-
-impl BitAnd for ItemSet {
-    type Output = Self;
-
-    fn bitand(self, rhs: Self) -> Self::Output {
-        Self(BitAnd::bitand(self.0, rhs.0))
-    }
-}
-
-struct Rucksack {
-    left: ItemSet,
-    right: ItemSet,
-}
-
-fn main() {
-    let mut data = String::new();
-    stdin().read_to_string(&mut data).unwrap();
-
-    let sacks: Vec<_> = data
-        .lines()
-        .map(|line| {
-            let (left, right) = line.split_at(line.len() / 2);
-            assert_eq!(left.len(), right.len());
-
-            let left = left.chars().collect();
-            let right = right.chars().collect();
-
-            Rucksack { left, right }
-        })
-        .collect();
-
-    let sum1: u32 = sacks
-        .iter()
-        .map(|sack| (sack.left & sack.right).priority_of_single_item().unwrap())
-        .sum();
-
-    let sum2: u32 = sacks
-        .chunks(3)
-        .into_iter()
-        .map(|sacks| {
-            sacks
-                .iter()
-                .map(|sack| sack.left | sack.right)
-                .reduce(BitAnd::bitand)
-                .unwrap()
-                .priority_of_single_item()
-                .unwrap()
-        })
-        .sum();
-
-    println!("{}", sum1);
-    println!("{}", sum2);
-}
--- a/Cargo.lock
+++ b/Cargo.lock
@ -469,10 +469,6 @@ version = "0.1.0"
 name = "rust_2022_02"
 version = "0.1.0"

-[[package]]
-name = "rust_2022_03"
-version = "0.1.0"
-
 [[package]]
 name = "ryu"
 version = "1.0.11"
--- a/Cargo.toml
+++ b/Cargo.toml
@ -11,5 +11,4 @@ members = [
 	"2021/day22/rust",
 	"2022/day1/rust",
 	"2022/day2/rust",
-	"2022/day3/rust",
 ]