Update Readme

connorslade · Dec 1, 2023 · 3a2e832 · 3a2e832
1 parent d69bc3a
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diff --git a/README.md b/README.md
@@ -5,7 +5,7 @@ Thank you to [Eric Wastl](http://was.tl) for running this incredible yearly even
 
 ## [2023](https://adventofcode.com/2022) [![aoc_2023](https://github.com/Basicprogrammer10/advent-of-code/actions/workflows/aoc_2023.yml/badge.svg)](https://github.com/Basicprogrammer10/advent-of-code/actions/workflows/aoc_2023.yml)
 
-- [Day 01:](aoc_2023/src/day_01.rs)
+- [Day 01: Trebuchet?!](aoc_2023/src/day_01.rs)
 
 ## [2022](https://adventofcode.com/2022) [![aoc_2022](https://github.com/Basicprogrammer10/advent-of-code/actions/workflows/aoc_2022.yml/badge.svg)](https://github.com/Basicprogrammer10/advent-of-code/actions/workflows/aoc_2022.yml)
 

diff --git a/aoc_2023/src/day_01.rs b/aoc_2023/src/day_01.rs
@@ -27,10 +27,7 @@ impl Solution for Day01 {
         let mut sum = 0;
         for line in input.lines() {
             let digits = digits(line);
-            let first = digits[0];
-            let last = digits[digits.len() - 1];
-
-            sum += first * 10 + last;
+            sum += digits[0] * 10 + digits[1];
         }
 
         sum.into()
@@ -42,10 +39,8 @@ fn digits(i: &str) -> [u32; 2] {
     let mut last = 0;
 
     let mut digit = |c| {
+        first = first.or(Some(c));
         last = c;
-        if first.is_none() {
-            first = Some(c);
-        }
     };
 
     let chars = i.as_bytes();