mal bl fp day04

1 files changed, 14 insertions, 14 deletions

diff --git a/2023/day04.rs b/2023/day04.rs
index 2f29934..caf578b 100644
--- a/2023/day04.rs
+++ b/2023/day04.rs
@@ -19,21 +19,21 @@ fn main() {
     let mut copies = vec![1; lines.len()];
 
     for (i, line) in lines.into_iter().enumerate() {
-        let nows = line.split_whitespace().collect::<Vec<_>>().join(" ");
-        let (first, rest) = line.split_once(": ").unwrap();
-
+        let (first, rest) = line.split_once(":").unwrap();
         let game_num = first.split_once(" ").unwrap().1;
-        let (win, actual) = rest.split_once(" | ").unwrap();
-        let win = win
-            .split_whitespace()
-            .map(|x| x.parse::<u32>().unwrap())
-            .collect::<Vec<_>>();
-        let actual = actual
-            .split_whitespace()
-            .map(|x| x.parse::<u32>().unwrap())
-            .collect::<Vec<_>>();
-
-        let count = actual.iter().filter(|x| win.contains(x)).count();
+        let (win, actual) = rest.split_once("|").unwrap();
+
+        let parse = |a: &str| {
+            a.split(" ")
+                .filter_map(|x| x.parse().ok())
+                .collect::<Vec<u32>>()
+        };
+
+        let count = parse(actual)
+            .iter()
+            .filter(|x| parse(win).contains(x))
+            .count();
+
         if count > 0 {
             res1 += 1 << (count - 1);
         }