2022, day1: done

1 files changed, 14 insertions, 0 deletions

diff --git a/2022/day1/part1/src/main.rs b/2022/day1/part1/src/main.rs
new file mode 100644
index 0000000..637b4e3
--- /dev/null
+++ b/2022/day1/part1/src/main.rs
@@ -0,0 +1,14 @@
+use itertools::Itertools;
+
+fn main() {
+    let input: String = include_str!("../../input").to_string();
+    let mut calories: Vec<usize> = Vec::new();
+
+    for (key, group) in &input.lines().group_by(|line| *line != "") {
+        if key {
+            calories.push(group.into_iter().map(|i| i.parse::<usize>().unwrap()).sum());
+        }
+    }
+
+    println!("{}", calories.iter().max().unwrap());
+}