Solve day 1

src/bin/01.rs

@@ -0,0 +1,28 @@
+use aoc2022::*;
+
+const INPUT: &str = include_str!("../../input/01");
+
+fn main() {
+    let calories = INPUT.lines().map(|l| l.parse::<i64>().ok());
+
+    let mut elves = Vec::new();
+    let mut current = 0;
+    for c in calories {
+        match c {
+            Some(c) => current += c,
+            None => {
+                elves.push(current);
+                current = 0;
+            }
+        }
+    }
+
+    // Sort highest number first
+    elves.sort_by_key(|e| -e);
+
+    let max = elves[0];
+    solved_level_1(max);
+
+    let sum: i64 = elves.iter().take(3).sum();
+    solved_level_2(sum);
+}