icub3d

use std::time::Instant;

use itertools::Itertools;
use rustc_hash::FxHashMap;

const INPUT: &str = include_str!("inputs/day03.txt");

fn parse(input: &str) -> usize {
    input.trim().parse::<usize>().unwrap()
}

icub3d

use std::time::Instant;

const INPUT: &str = include_str!("inputs/day02.txt");

fn parse(input: &str) -> impl Iterator<Item = &str> {
    input.trim().lines()
}

fn p1(input: &str) -> usize {
    parse(input)

icub3d

use std::time::Instant;

const INPUT: &str = include_str!("inputs/day01.txt");

fn parse(input: &str) -> impl Iterator<Item = u32> {
    input.trim().chars().map(|c| c.to_digit(10).unwrap())
}

fn p1(input: &str) -> u32 {
    let input = parse(input).collect::<Vec<_>>();

icub3d

use std::io::{Read, stdin};

fn main() {
    let mut s = String::new();
    stdin().read_to_string(&mut s).unwrap();

    // Both operations are opposites, just count.
    let (b, w) = s.trim().chars().fold((0, 0), |(b, w), c| match c {
        'B' => (b + 1, w),
        _ => (b, w + 1),

icub3d

use std::io::{Read, stdin};

fn main() {
    let mut s = String::new();
    stdin().read_to_string(&mut s).unwrap();

    let mut ss = s.lines();
    let mut cur = ss.next().unwrap().parse::<isize>().unwrap();
    ss.next();

icub3d

use std::io::{Read, stdin};

fn main() {
    let mut s = String::new();
    stdin().read_to_string(&mut s).unwrap();

    let mut counts = [0; 3];
    for c in s.trim().chars() {
        match c {
            'T' => counts[0] += 1,

icub3d

use std::io::{Read, stdin};

fn main() {
    let mut s = String::new();
    stdin().read_to_string(&mut s).unwrap();

    let quiz = s.lines().nth(1).unwrap();

    let patterns = [("Adrian", "ABC"), ("Bruno", "BABC"), ("Goran", "CCAABB")];

icub3d

use std::io::{Read, stdin};

fn main() {
    let mut s = String::new();
    stdin().read_to_string(&mut s).unwrap();
    // $M$ , $P$ , $L$ , $E$ , $R$ , $S$ , $N$

    for m in s.lines() {
        let mut pp = m.split_whitespace().map(|l| l.parse::<usize>().unwrap());
        let (mut m, mut p, mut l, e, r, s, n) = (

icub3d

use std::io::{Read, stdin};

fn main() {
    let mut s = String::new();
    stdin().read_to_string(&mut s).unwrap();

    let mut ss = s.lines();
    let n = ss.next().unwrap().parse::<usize>().unwrap();
    let d = ss.next().unwrap();

icub3d

use std::io::{Read, stdin};

fn main() {
    let mut s = String::new();
    stdin().read_to_string(&mut s).unwrap();

    let mut ss = s.lines();
    ss.next();

    let teas = ss