Day1 done in rust

1 files changed, 28 insertions, 0 deletions

diff --git a/2022/Rust/src/day1.rs b/2022/Rust/src/day1.rs
index e69de29..7c5c413 100644
--- a/2022/Rust/src/day1.rs
+++ b/2022/Rust/src/day1.rs
@@ -0,0 +1,28 @@
+fn solve_part_one(data: &str) -> u32 {
+    data.split("\n\n")
+        .collect::<Vec<&str>>()
+        .iter()
+        .map(|line| {
+            line.split("\n")
+                .flat_map(|x| x.parse::<u32>()).sum::<u32>()
+        })
+        .max().unwrap()
+}
+
+fn solve_part_two(data: &str) -> u32 {
+    let mut vec = data.split("\n\n")
+        .collect::<Vec<&str>>()
+        .iter()
+        .map(|line| {
+            line.split("\n")
+                .flat_map(|x| x.parse::<u32>()).sum::<u32>()
+        }).collect::<Vec<u32>>();
+    vec.sort_by(|a, b| b.cmp(a));
+    vec.iter().take(3).sum()
+}
+
+fn main() {
+    let data = include_str!("../data/day1.prod");
+    println!("{:?}", solve_part_one(data));
+    println!("{:?}", solve_part_two(data));
+}