From 902297f14da5ffcc366a53acb53fa9c8ea90e17b Mon Sep 17 00:00:00 2001
From: David Ochsner <davidochsner93@gmail.com>
Date: Sun, 1 Dec 2024 18:57:33 +0100
Subject: [PATCH] improvement

---
 src/day01.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/day01.rs b/src/day01.rs
index 1044af4..6c01225 100644
--- a/src/day01.rs
+++ b/src/day01.rs
@@ -32,11 +32,11 @@ fn part1(left: &Vec<u32>, right: &Vec<u32>) -> u32 {
 }
 
 fn part2(left: &Vec<u32>, right: &Vec<u32>) -> u32 {
-    let mut map = HashMap::new();
+    let mut counter = HashMap::new();
 
     for element in right {
-        *map.entry(*element).or_default() += 1;
+        *counter.entry(*element).or_default() += 1;
     }
 
-    left.iter().map(|v| v * map.get(v).unwrap_or(&0)).sum()
+    left.iter().map(|v| counter.get(v).map(|c| c * v).unwrap_or(0)).sum()
 }