From eafd2387bbd1b8a78d77661e30a023e99830a8bd Mon Sep 17 00:00:00 2001
From: pjht <terppa05@gmail.com>
Date: Thu, 1 Dec 2022 11:17:42 -0600
Subject: [PATCH] 2022 day 1

---
 .gitignore   |  3 +++
 Cargo.toml   | 10 ++++++++++
 src/day01.rs | 35 +++++++++++++++++++++++++++++++++++
 src/lib.rs   |  5 +++++
 4 files changed, 53 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.toml
 create mode 100644 src/day01.rs
 create mode 100644 src/lib.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1033ab7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+/target
+/Cargo.lock
+/input
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..04b351e
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "aoc2022"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+aoc-runner = "0.3.0"
+aoc-runner-derive = "0.3.0"
diff --git a/src/day01.rs b/src/day01.rs
new file mode 100644
index 0000000..e7cd061
--- /dev/null
+++ b/src/day01.rs
@@ -0,0 +1,35 @@
+use aoc_runner_derive::{aoc, aoc_generator};
+
+#[aoc_generator(day1)]
+pub fn input_generator(input: &str) -> Vec<Vec<u64>> {
+    input
+        .lines()
+        .collect::<Vec<_>>()
+        .split(|el| el == &"")
+        .map(|list| {
+            list.iter()
+                .map(|el| el.parse::<u64>().unwrap())
+                .collect::<Vec<_>>()
+        })
+        .collect::<Vec<_>>()
+}
+
+#[aoc(day1, part1)]
+pub fn solve_part1(input: &[Vec<u64>]) -> u64 {
+    let mut sums = input
+        .iter()
+        .map(|el| el.iter().sum::<u64>())
+        .collect::<Vec<_>>();
+    sums.sort();
+    sums.pop().unwrap()
+}
+
+#[aoc(day1, part2)]
+pub fn solve_part2(input: &[Vec<u64>]) -> u64 {
+    let mut sums = input
+        .iter()
+        .map(|el| el.iter().sum::<u64>())
+        .collect::<Vec<_>>();
+    sums.sort();
+    sums[sums.len() - 3..sums.len()].iter().sum::<u64>()
+}
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..5d1048b
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,5 @@
+use aoc_runner_derive::aoc_lib;
+
+pub mod day01;
+
+aoc_lib! { year = 2022 }