add elapsed time for each day to output

src/day05.rs

@@ -12,9 +12,9 @@ type RiddleResult = usize;
 
 fn part1(input: &str) -> RiddleResult {
     let (rules, books) = parse(input);
-    books.iter().filter(|book| {
+    books
-        valid_book(book, &rules)
+        .iter()
-    })
+        .filter(|book| valid_book(book, &rules))
         .map(|book| book[book.len() / 2].parse::<RiddleResult>().unwrap())
         .sum()
 }
@@ -32,23 +32,29 @@ fn valid_book(book: &[&str], rules: &[(&str, &str)]) -> bool {
 
 fn parse(input: &str) -> (Vec<(&str, &str)>, Vec<Vec<&str>>) {
     let (a, b) = input.split_once("\n\n").unwrap();
-    let rules = a.lines().map(|line| line.split_once("|").unwrap()).collect_vec();
+    let rules = a
-    let books = b.lines().map(|line| line.split(",").collect_vec()).collect_vec();
+        .lines()
+        .map(|line| line.split_once("|").unwrap())
+        .collect_vec();
+    let books = b
+        .lines()
+        .map(|line| line.split(",").collect_vec())
+        .collect_vec();
 
     (rules, books)
 }
 
 fn part2(input: &str) -> RiddleResult {
     let (rules, books) = parse(input);
-    books.iter().filter(|book| {
+    books
-        !valid_book(book, &rules)
+        .iter()
-    })
+        .filter(|book| !valid_book(book, &rules))
         .map(|book| fix(book, &rules))
         .map(|book| book[book.len() / 2].parse::<RiddleResult>().unwrap())
         .sum()
 }
 
-fn  fix<'a>(book: &'a[&str], rules: &[(&str, &str)]) -> Vec<&'a str> {
+fn fix<'a>(book: &'a [&str], rules: &[(&str, &str)]) -> Vec<&'a str> {
     let mut b = book.iter().copied().collect_vec();
     b.sort_unstable_by(|a, b| {
         if rules.contains(&(a, b)) {

src/main.rs

@@ -1,7 +1,7 @@
-use std::{collections::HashMap, env::args};
-
 use advent_of_rust_2024::*;
 use itertools::Itertools;
+use std::time::Instant;
+use std::{collections::HashMap, env::args};
 
 fn main() {
     let mains: HashMap<u8, fn() -> ()> = HashMap::from_iter([
@@ -18,7 +18,15 @@ fn main() {
             .sorted_by_key(|entry| entry.0)
             .for_each(|(d, f)| {
                 println!("Day {d}:");
+                let start = Instant::now();
                 f();
+                let duration = start.elapsed();
+                println!(
+                    "{color}{italic}Took {duration:?}{reset_formatting}",
+                    color = "\x1b[38;5;247m",
+                    italic = "\x1b[3m",
+                    reset_formatting = "\x1b[0m"
+                );
             });
         return;
     };