From 1c9620d4666fdf41ef751f100dfb17f14133dd35 Mon Sep 17 00:00:00 2001 From: Guillermo Ramos Date: Wed, 4 Dec 2024 10:28:51 +0100 Subject: 2024: move to single Rust crate --- 2024/3/src/main.rs | 41 ----------------------------------------- 1 file changed, 41 deletions(-) delete mode 100644 2024/3/src/main.rs (limited to '2024/3/src') diff --git a/2024/3/src/main.rs b/2024/3/src/main.rs deleted file mode 100644 index 0775483..0000000 --- a/2024/3/src/main.rs +++ /dev/null @@ -1,41 +0,0 @@ -use regex::Regex; - -const INPUT_FILE: &str = "input"; - -fn p1(input: &str) { - let re = Regex::new(r"mul\(([0-9]{1,3}),([0-9]{1,3})\)").unwrap(); - - let mut result: u32 = 0; - for (_, [x, y]) in re.captures_iter(input).map(|cs| cs.extract()) { - result += x.parse::().unwrap() * y.parse::().unwrap(); - } - - println!("Result: {}", result); -} - -fn p2(input: &str) { - let re = Regex::new(r"do\(\)|don't\(\)|mul\(([0-9]{1,3}),([0-9]{1,3})\)").unwrap(); - - let mut doing = true; - let mut result: u32 = 0; - for cs in re.captures_iter(input) { - let mut it = cs.iter().flatten().map(|m| m.as_str()); - match it.next().unwrap() { - "do()" => doing = true, - "don't()" => doing = false, - mul if doing && mul.starts_with("mul") => { - let mut next = || it.next().unwrap().parse::().unwrap(); - result += next() * next(); - } - _ => (), - } - } - - println!("Result: {}", result); -} - -fn main() { - let input = std::fs::read_to_string(INPUT_FILE).unwrap(); - p1(&input); - p2(&input); -} -- cgit v1.2.3