From b23c4ab4c0669ee3af5dd9f2c4e33f51c776fc17 Mon Sep 17 00:00:00 2001
From: Santo Cariotti <santo@dcariotti.me>
Date: Tue, 6 Dec 2022 22:05:49 +0100
Subject: day 1 more readble

---
 2022/day1/src/lib.rs | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

(limited to '2022')

diff --git a/2022/day1/src/lib.rs b/2022/day1/src/lib.rs
index 26df697..9459264 100644
--- a/2022/day1/src/lib.rs
+++ b/2022/day1/src/lib.rs
@@ -1,16 +1,16 @@
 pub fn get_sums(input: &str) -> Vec<i32> {
-    let groups: Vec<&str> = input.split("\n\n").collect::<Vec<&str>>();
-    let data_groups = groups
+    let groups: Vec<&str> = input.split("\n\n").collect();
+    let data_groups: Vec<i32> = groups
         .into_iter()
         .map(|x| {
             let numbers: i32 = x
-                .split('\n')
+                .lines()
                 .map(|x| x.parse::<i32>().unwrap_or_default())
                 .sum();
 
             return numbers;
         })
-        .collect::<Vec<i32>>();
+        .collect();
 
     data_groups
 }
@@ -25,9 +25,7 @@ pub fn part2(input: &str) -> i32 {
     let mut sums = get_sums(input);
 
     sums.sort();
-    sums.reverse();
-
-    sums[0] + sums[1] + sums[2]
+    sums.into_iter().rev().take(3).sum::<i32>()
 }
 
 #[cfg(test)]
-- 
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