5 files changed, 63 insertions, 0 deletions
diff --git a/aoc/2024/01/python.py b/aoc/2024/01/python.py
new file mode 100755
index 0000000..425f6c7
--- /dev/null
+++ b/aoc/2024/01/python.py
@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+
+from collections import Counter
+from fileinput import input
+
+L, R = zip(*[[int(n) for n in s.split()] for s in input()])
+
+silver = sum(abs(left - right) for left, right in zip(sorted(L), sorted(R)))
+
+L, R = Counter(L), Counter(R)
+gold = sum(n * L[n] * R[n] for n in list(L & R))
+
+print("silver:", silver)
+print("gold:", gold)
diff --git a/aoc/2024/01/raku.raku b/aoc/2024/01/raku.raku
new file mode 100755
index 0000000..c4a44e0
--- /dev/null
+++ b/aoc/2024/01/raku.raku
@@ -0,0 +1,5 @@
+#!/usr/bin/env raku
+
+my $ids := ([Z] lines>>.words)>>.sort>>.list;
+say "silver: ", ([Z-] $ids)>>.abs.sum;
+say "gold: ", ([<<*>>] $ids>>.Bag).kxxv.sum;
diff --git a/aoc/2024/01/rust/Cargo.lock b/aoc/2024/01/rust/Cargo.lock
new file mode 100644
index 0000000..ac79b17
--- /dev/null
+++ b/aoc/2024/01/rust/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "puzzle"
+version = "0.1.0"
diff --git a/aoc/2024/01/rust/Cargo.toml b/aoc/2024/01/rust/Cargo.toml
new file mode 100644
index 0000000..88e7b42
--- /dev/null
+++ b/aoc/2024/01/rust/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "puzzle"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
diff --git a/aoc/2024/01/rust/src/main.rs b/aoc/2024/01/rust/src/main.rs
new file mode 100644
index 0000000..c1648cf
--- /dev/null
+++ b/aoc/2024/01/rust/src/main.rs
@@ -0,0 +1,31 @@
+use std::collections::HashMap;
+use std::io;
+
+fn main() -> io::Result<()> {
+    let (mut ls, mut rs): (Vec<u64>, Vec<u64>) = io::stdin()
+        .lines()
+        .map(|line| {
+            line.unwrap()
+                .split_whitespace()
+                .map(|s| s.parse().unwrap())
+                .collect::<Vec<u64>>()
+        })
+        .map(|xs| (xs[0], xs[1]))
+        .unzip();
+
+    ls.sort_unstable();
+    rs.sort_unstable();
+
+    let mut counts = HashMap::new();
+    rs.iter().for_each(|&x| {
+        *counts.entry(x).or_insert(0) += 1;
+    });
+
+    let silver: u64 = ls.iter().zip(rs).map(|(x, y)| x.abs_diff(y)).sum();
+    let gold: u64 = ls.iter().map(|x| x * counts.get(x).unwrap_or(&0)).sum();
+
+    println!("silver: {silver}");
+    println!("gold: {gold}");
+
+    return Ok(());
+}