chore(18/2024): add upper limit in for loop

Author: manhunto

readme.md

@@ -28,7 +28,7 @@
 | [Day 15: Warehouse Woes](src/solutions/year2024/day15.rs)         |   ⭐⭐   |            7.226 |            9.084 |
 | [Day 16: Reindeer Maze](src/solutions/year2024/day16.rs)          |   ⭐    |            6.478 |                - |
 | [Day 17: Chronospatial Computer](src/solutions/year2024/day17.rs) |   -    |                - |                - |
-| [Day 18: RAM Run](src/solutions/year2024/day18.rs)                |   ⭐⭐   |            2.487 |          431.665 |
+| [Day 18: RAM Run](src/solutions/year2024/day18.rs)                |   ⭐⭐   |            2.487 |         431.665a |
 | [Day 19: Linen Layout](src/solutions/year2024/day19.rs)           |   ⭐⭐   |            2.923 |           22.751 |
 
 # 2023

src/solutions/year2024/day18.rs

@@ -52,7 +52,7 @@ impl Solution for Day18 {
             .collect();
 
         #[allow(clippy::needless_range_loop)]
-        for i in self.memory_size.. {
+        for i in self.memory_size..byte_positions.len() {
             let current = byte_positions[i];
             skipped.insert(current);