bert/adventofcode
1
0
Fork 0
mirror of https://github.com/bertptrs/adventofcode.git synced 2025-12-27 05:40:32 +01:00
Code Issues Projects Releases Wiki Activity

Slightly better ICACHE hits

Browse Source
This commit is contained in:
Bert Peters
2022-12-09 09:20:34 +01:00
parent 951ed73024
commit bbfa367775
1 changed files with 25 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
2022/src/day08.rs
View File

@@ -70,6 +70,11 @@ fn scenery<'a>(
tree_stack.clear();
for (i, (&val, score)) in values.into_iter().zip(visible).enumerate() {
scenery_helper(i, tree_stack, val, score);
}
}
fn scenery_helper(i: usize, tree_stack: &mut Vec<(usize, u8)>, val: u8, score: &mut usize) {
if i > 0 {
let mut first = 0;
@@ -95,7 +100,6 @@ fn scenery<'a>(
*score = 0;
}
}
}
pub fn part2(input: &[u8]) -> Result<String> {
let width = input
@@ -106,7 +110,7 @@ pub fn part2(input: &[u8]) -> Result<String> {
let mut score = vec![1; width * height];
let mut tree_stack = Vec::new();
let mut tree_stack = Vec::with_capacity(10);
// Horizontal striping
for (y, row) in input.chunks_exact(width + 1).enumerate() {