1 files changed, 41 insertions, 0 deletions
diff --git a/src/2022/1/mod.rs b/src/2022/1/mod.rs
new file mode 100644
index 0000000..4f644d6
--- /dev/null
+++ b/src/2022/1/mod.rs
@@ -0,0 +1,41 @@
+#![allow(dead_code)]
+#![allow(unused_variables)]
+
+use crate::prelude::*;
+
+pub fn parse(fh: File) -> Result<Vec<i64>> {
+    let mut elves = vec![];
+    let mut cur = 0;
+    for line in parse::lines(fh) {
+        let line = line.trim();
+        if line.is_empty() {
+            elves.push(cur);
+            cur = 0;
+        } else {
+            cur += line.parse::<i64>()?;
+        }
+    }
+    elves.push(cur);
+    Ok(elves)
+}
+
+pub fn part1(elves: Vec<i64>) -> Result<i64> {
+    Ok(elves.iter().copied().max().unwrap_or(0))
+}
+
+pub fn part2(mut elves: Vec<i64>) -> Result<i64> {
+    elves.sort();
+    Ok(elves.iter().rev().copied().take(3).sum())
+}
+
+#[test]
+fn test() {
+    assert_eq!(
+        part1(parse(parse::data(2022, 1).unwrap()).unwrap()).unwrap(),
+        67658
+    );
+    assert_eq!(
+        part2(parse(parse::data(2022, 1).unwrap()).unwrap()).unwrap(),
+        200158
+    );
+}