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⚡️ Day 3: Significant performance improvement

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LeMoonStar 2024-12-03 07:22:36 +01:00
parent 37cf778b8c
commit 703c429bcf
1 changed files with 4 additions and 4 deletions
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8
src/days/d03.rs
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@ -11,7 +11,7 @@ pub struct Command {
impl Command {
pub fn run(&self) -> u64 {
if !self.command.ends_with("mul") || self.parameters.len() < 2 {
if self.command != "mul" || self.parameters.len() < 2 {
return 0;
}
self.parameters[0] * self.parameters[1]
@ -32,9 +32,9 @@ impl Program {
self.0
.iter()
.map(|v| {
if v.command.ends_with("don't") {
if v.command == "don't" {
enabled = false;
} else if v.command.ends_with("do") {
} else if v.command == "do" {
enabled = true;
} else if enabled {
return v.run();
@ -47,7 +47,7 @@ impl Program {
impl From<&str> for Program {
fn from(value: &str) -> Self {
let pattern: Regex = Regex::new(r"([a-z_']+)\(((?:\d+,?)*)\)").unwrap();
let pattern: Regex = Regex::new(r"(do|don't|mul)\(((?:\d+,?)*)\)").unwrap();
let mut commands = vec![];
for (_, [command, parameters]) in pattern.captures_iter(value).map(|c| c.extract()) {