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| author | alyx <alyx@aleteoryx.me> | 2023-12-04 02:04:09 -0500 |
|---|---|---|
| committer | alyx <alyx@aleteoryx.me> | 2023-12-04 02:04:09 -0500 |
| commit | f9819ba6b5a59dc78deb539ecc4ff88ed0f692b7 (patch) | |
| tree | 560c9644344f96428d5794d79c79e8af58e09faa | |
| parent | 3438b040ad18b362e5a4d8576d11be462d841432 (diff) | |
| download | adventofcode-f9819ba6b5a59dc78deb539ecc4ff88ed0f692b7.tar.gz adventofcode-f9819ba6b5a59dc78deb539ecc4ff88ed0f692b7.tar.bz2 adventofcode-f9819ba6b5a59dc78deb539ecc4ff88ed0f692b7.zip | |
Optimise 2023.4
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | 2023/rs/code/four/src/main.rs | 5 |
2 files changed, 3 insertions, 3 deletions
@@ -1,2 +1,3 @@ target *~ +src/bin diff --git a/2023/rs/code/four/src/main.rs b/2023/rs/code/four/src/main.rs index 7508e4a..328d84a 100644 --- a/2023/rs/code/four/src/main.rs +++ b/2023/rs/code/four/src/main.rs @@ -9,11 +9,10 @@ fn parse_val(s: &[u8]) -> u8 { } fn main() { - let valueified = INPUT.split(|b| *b == b'\n').filter(|s| !s.is_empty()) + let valueified = INPUT.array_chunks::<117>() .map(|b| { let win: u128 = b[10..40].array_chunks::<3>().fold(0, |a, b| a | (1 << parse_val(&b[0..2]))); - let valiter = b[42..].array_chunks::<3>(); - let val: u128 = valiter.clone().fold(0, |a, b| a | (1 << parse_val(&b[0..2]))) | (1 << parse_val(valiter.remainder())); + let val: u128 = b[42..].array_chunks::<3>().fold(0, |a, b| a | (1 << parse_val(&b[0..2]))); (win & val).count_ones() }); |