Reorganization
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@@ -0,0 +1,54 @@
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use aoc_runner_derive::{aoc, aoc_generator};
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use nom::character::complete::multispace0;
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use nom::multi::many1;
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use nom::{character::complete::u64 as parse_u64, IResult};
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#[aoc_generator(day1)]
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pub fn generator(input: &str) -> Vec<(u64, u64)> {
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many1(parse_line)(input).unwrap().1
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}
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fn parse_line(input: &str) -> IResult<&str, (u64, u64)> {
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let (input, left) = parse_u64(input)?;
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let (input, _) = multispace0(input)?;
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let (input, right) = parse_u64(input)?;
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let (input, _) = multispace0(input)?;
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Ok((input, (left, right)))
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}
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#[aoc(day1, part1)]
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pub fn part1(input: &[(u64, u64)]) -> u64 {
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let (mut left, mut right): (Vec<u64>, Vec<u64>) = input.iter().copied().unzip();
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left.sort();
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right.sort();
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left.iter()
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.zip(right.iter())
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.map(|(l, r)| (*l).abs_diff(*r))
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.sum()
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}
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#[aoc(day1, part2)]
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pub fn part2(input: &[(u64, u64)]) -> usize {
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let (mut left, mut right): (Vec<u64>, Vec<u64>) = input.iter().copied().unzip();
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left.sort();
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right.sort();
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let mut l;
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let mut r = 0;
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let mut score = 0usize;
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for value in left {
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l = r;
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while l < right.len() && right[l] < value {
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l += 1
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}
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r = l;
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while r < right.len() && right[r] <= value {
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r += 1
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}
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score += (value as usize) * (r - l);
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if r == right.len() - 1 {
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break;
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};
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}
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score
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}
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@@ -0,0 +1,86 @@
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use aoc_runner_derive::{aoc, aoc_generator};
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use nom::character::complete::{newline, space0};
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use nom::multi::{many0, many1};
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use nom::{character::complete::i64 as parse_usize, IResult};
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#[aoc_generator(day2)]
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pub fn generator(input: &str) -> Vec<Vec<isize>> {
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many1(parse_line)(input).unwrap().1
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}
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fn parse_level(input: &str) -> IResult<&str, isize> {
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let (input, res) = parse_usize(input)?;
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let (input, _) = space0(input)?;
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Ok((input, res as isize))
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}
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fn parse_line(input: &str) -> IResult<&str, Vec<isize>> {
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let (input, levels) = many1(parse_level)(input)?;
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let (input, _) = many0(newline)(input)?;
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Ok((input, levels))
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}
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#[aoc(day2, part1)]
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pub fn part1(input: &[Vec<isize>]) -> usize {
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input.iter().filter(|vec| is_valid(vec)).count()
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}
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fn is_valid(input: &[isize]) -> bool {
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let mut direction = 0;
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for i in 0..(input.len() - 1) {
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let diff = input[i + 1] - input[i];
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if diff == 0 {
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return false;
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} else if (1..=3).contains(&diff) {
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if direction == -1 {
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return false;
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}
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direction = 1;
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} else if (1..=3).contains(&-diff) {
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if direction == 1 {
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return false;
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}
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direction = -1;
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} else {
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return false;
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}
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}
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true
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}
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#[aoc(day2, part2)]
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pub fn part2(input: &[Vec<isize>]) -> usize {
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input
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.iter()
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.filter(|rec| (0..rec.len()).any(|i| is_valid2(rec, i)))
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.count()
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}
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fn is_valid2(input: &[isize], skip: usize) -> bool {
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let mut direction = 0;
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for i in 0..(input.len() - 2) {
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let diff = if skip <= i {
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input[i + 2] - input[i + 1]
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} else if skip == i + 1 {
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input[i + 2] - input[i]
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} else {
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input[i + 1] - input[i]
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};
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if diff == 0 {
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return false;
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} else if (1..=3).contains(&diff) {
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if direction == -1 {
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return false;
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}
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direction = 1;
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} else if (1..=3).contains(&-diff) {
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if direction == 1 {
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return false;
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}
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direction = -1;
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} else {
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return false;
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}
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}
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true
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}
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@@ -0,0 +1,66 @@
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use aoc_runner_derive::{aoc, aoc_generator};
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use regex::Regex;
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#[aoc_generator(day3)]
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fn parse(input: &str) -> String {
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input.to_string()
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}
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#[aoc(day3, part1)]
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fn part1(input: &str) -> i64 {
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Regex::new(r"mul\((?<a>[0-9]{1,3}),(?<b>[0-9]{1,3})\)")
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.unwrap()
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.captures_iter(input)
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.fold(0, |a, c| {
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a + c.get(1).unwrap().as_str().parse::<i64>().unwrap()
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* c.get(2).unwrap().as_str().parse::<i64>().unwrap()
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})
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}
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#[aoc(day3, part2)]
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fn part2(input: &str) -> i64 {
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Regex::new(r"mul\((?<a>[0-9]{1,3}),(?<b>[0-9]{1,3})\)|do\(\)|don't\(\)")
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.unwrap()
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.captures_iter(input)
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.fold((true, 0i64), |a, c| match c.get(0).unwrap().as_str() {
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"do()" => (true, a.1),
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"don't()" => (false, a.1),
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_ => {
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if a.0 {
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(
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a.0,
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a.1 + c.get(1).unwrap().as_str().parse::<i64>().unwrap()
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* c.get(2).unwrap().as_str().parse::<i64>().unwrap(),
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)
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} else {
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a
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}
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}
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})
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.1
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn part1_example() {
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assert_eq!(
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part1(&parse(
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"xmul(2,4)%&mul[3,7]!@^do_not_mul(5,5)+mul(32,64]then(mul(11,8)mul(8,5))
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"
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)),
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161
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);
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}
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#[test]
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fn part2_example() {
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assert_eq!(
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part2(&parse(
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"xmul(2,4)&mul[3,7]!^don't()_mul(5,5)+mul(32,64](mul(11,8)undo()?mul(8,5))"
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)),
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48
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);
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}
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}
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@@ -0,0 +1,156 @@
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use aoc_runner_derive::{aoc, aoc_generator};
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#[aoc_generator(day4)]
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fn parse(input: &str) -> Vec<Vec<char>> {
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input
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.split("\n")
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.map(|line| line.chars().collect())
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.collect()
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}
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#[aoc(day4, part1)]
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fn part1(d: &[Vec<char>]) -> usize {
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(0..d.len()).fold(0, |z, i| {
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z + (0..d[0].len())
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.map(move |j| {
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(
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j as i64,
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i as i64,
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j > 2,
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j < d.len() - 3,
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i > 2,
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i < d[0].len() - 3,
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)
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})
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.fold(0, |z, p| {
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z + (-1..=1).fold(0, |z, f| {
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z + (-1..=1).fold(0, move |z, g| {
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z + ((f != 0 || g != 0)
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&& (f == 0 || (f == -1 && p.2) || (f == 1 && p.3))
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&& (g == 0 || (g == -1 && p.4) || (g == 1 && p.5))
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&& (0..=3).zip("XMAS".chars()).all(|v| {
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d[(p.1 + v.0 * g) as usize][(p.0 + v.0 * f) as usize] == v.1
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})) as usize
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})
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})
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})
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})
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}
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fn _part1(input: &[Vec<char>]) -> u64 {
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let h = input.len();
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let w = input[0].len();
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let mut sum = 0;
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for y in 0..h {
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for x in 0..w {
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if input[y][x] == 'S' {
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if x < w - 3
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&& input[y][x + 1] == 'A'
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&& input[y][x + 2] == 'M'
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&& input[y][x + 3] == 'X'
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{
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// println!("rev X {} {}", x, y);
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sum += 1
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}
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if y < h - 3
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&& input[y + 1][x] == 'A'
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&& input[y + 2][x] == 'M'
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&& input[y + 3][x] == 'X'
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{
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// println!("rev Y {} {}", x, y);
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sum += 1
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}
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if x < w - 3
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&& y < h - 3
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&& input[y + 1][x + 1] == 'A'
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&& input[y + 2][x + 2] == 'M'
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&& input[y + 3][x + 3] == 'X'
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{
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// println!("rdi Y {} {}", x, y);
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sum += 1
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}
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if x >= 3
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&& y < h - 3
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&& input[y + 1][x - 1] == 'A'
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&& input[y + 2][x - 2] == 'M'
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&& input[y + 3][x - 3] == 'X'
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{
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// println!("rdi Y {} {}", x, y);
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sum += 1
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}
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} else if input[y][x] == 'X' {
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if x < w - 3
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&& input[y][x + 1] == 'M'
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&& input[y][x + 2] == 'A'
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&& input[y][x + 3] == 'S'
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{
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// println!(" X {} {}", x, y);
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sum += 1
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}
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if y < h - 3
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&& input[y + 1][x] == 'M'
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&& input[y + 2][x] == 'A'
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&& input[y + 3][x] == 'S'
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{
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// println!(" Y {} {}", x, y);
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sum += 1
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}
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if x < w - 3
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&& y < h - 3
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&& input[y + 1][x + 1] == 'M'
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&& input[y + 2][x + 2] == 'A'
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&& input[y + 3][x + 3] == 'S'
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{
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// println!("dia Y {} {}", x, y);
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sum += 1
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}
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if x >= 3
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&& y < h - 3
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&& input[y + 1][x - 1] == 'M'
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&& input[y + 2][x - 2] == 'A'
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&& input[y + 3][x - 3] == 'S'
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{
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// println!("dia Y {} {}", x, y);
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sum += 1
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}
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}
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}
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}
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sum
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}
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#[aoc(day4, part2)]
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fn part2(input: &[Vec<char>]) -> u64 {
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let h = input.len();
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let w = input[0].len();
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let mut sum = 0;
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for y in 1..h - 1 {
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for x in 1..w - 1 {
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if input[y][x] == 'A' {
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let diag1 = (input[y - 1][x - 1] == 'M' && input[y + 1][x + 1] == 'S')
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|| (input[y - 1][x - 1] == 'S' && input[y + 1][x + 1] == 'M');
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let diag2 = (input[y - 1][x + 1] == 'M' && input[y + 1][x - 1] == 'S')
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|| (input[y - 1][x + 1] == 'S' && input[y + 1][x - 1] == 'M');
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if diag1 && diag2 {
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sum += 1;
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}
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}
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}
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}
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sum
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn part1_example() {
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assert_eq!(part1(&parse("MMMSXXMASM\nMSAMXMSMSA\nAMXSXMAAMM\nMSAMASMSMX\nXMASAMXAMM\nXXAMMXXAMA\nSMSMSASXSS\nSAXAMASAAA\nMAMMMXMMMM\nMXMXAXMASX")), 18);
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assert_eq!(part1(&parse(include_str!("../input/2024/day4.txt"))), 2406);
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}
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#[test]
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fn part2_example() {
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assert_eq!(part2(&parse(".M.S......\n..A..MSMS.\n.M.S.MAA..\n..A.ASMSM.\n.M.S.M....\n..........\nS.S.S.S.S.\n.A.A.A.A..\nM.M.M.M.M.\n..........")), 9);
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}
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}
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@@ -0,0 +1,125 @@
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use std::collections::HashMap;
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use aoc_runner_derive::{aoc, aoc_generator};
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use nom::character::complete::u64 as parse_u64;
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use nom::multi::separated_list1;
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use nom::IResult;
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use nom::{
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bytes::complete::tag, character::complete::newline, multi::separated_list0,
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sequence::separated_pair,
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};
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use topological_sort::TopologicalSort;
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type Input = (Vec<(u64, u64)>, Vec<Vec<u64>>);
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#[aoc_generator(day5)]
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fn parse(input: &str) -> Input {
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parse_lines(input).unwrap().1
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}
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fn parse_lines(input: &str) -> IResult<&str, Input> {
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let (input, rules) =
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separated_list0(newline, separated_pair(parse_u64, tag("|"), parse_u64))(input)?;
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let (input, _) = newline(input)?;
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let (input, _) = newline(input)?;
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let (input, records) = separated_list0(newline, separated_list1(tag(","), parse_u64))(input)?;
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Ok((input, (rules, records)))
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}
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#[aoc(day5, part1)]
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fn part1(input: &Input) -> u64 {
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let rules = input.0.clone();
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let records = input.1.clone();
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let mut rules_map: HashMap<u64, Vec<u64>> = HashMap::new();
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rules.iter().for_each(|rule| {
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if let std::collections::hash_map::Entry::Vacant(e) = rules_map.entry(rule.1) {
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e.insert(vec![rule.0]);
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} else {
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rules_map.get_mut(&rule.1).unwrap().push(rule.0);
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rules_map.get_mut(&rule.1).unwrap().sort();
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}
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});
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let mut correct = 0;
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records.iter().for_each(|record| {
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let mut forbidden = vec![];
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let valid = record.iter().all(|page| {
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let allowed = !forbidden.contains(page);
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if rules_map.contains_key(page) {
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let mut new_forbidden = rules_map.get(page).unwrap().clone();
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forbidden.append(&mut new_forbidden);
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}
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allowed
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});
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if valid {
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correct += record[record.len() >> 1]
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}
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});
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correct
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}
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#[aoc(day5, part2)]
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fn part2(input: &Input) -> u64 {
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let rules = input.0.clone();
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let records = input.1.clone();
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let mut rules_map: HashMap<u64, Vec<u64>> = HashMap::new();
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rules.iter().for_each(|rule| {
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if let std::collections::hash_map::Entry::Vacant(e) = rules_map.entry(rule.1) {
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e.insert(vec![rule.0]);
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} else {
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rules_map.get_mut(&rule.1).unwrap().push(rule.0);
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rules_map.get_mut(&rule.1).unwrap().sort();
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}
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});
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let mut correct = 0;
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records.iter().for_each(|record| {
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let mut forbidden = vec![];
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let valid = record.iter().all(|page| {
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let allowed = !forbidden.contains(page);
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if rules_map.contains_key(page) {
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let mut new_forbidden = rules_map.get(page).unwrap().clone();
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forbidden.append(&mut new_forbidden);
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}
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allowed
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});
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if !valid {
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// dbg!(&record);
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let mut ts = TopologicalSort::<u64>::new();
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for i in record {
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ts.insert(*i);
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if let Some(rules) = rules_map.get(i) {
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for rule in rules {
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ts.add_dependency(*rule, *i);
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}
|
||||
}
|
||||
}
|
||||
|
||||
let sorted = ts
|
||||
.clone()
|
||||
.filter(|a| record.contains(a))
|
||||
.collect::<Vec<u64>>();
|
||||
correct += sorted[sorted.len() >> 1]
|
||||
}
|
||||
});
|
||||
|
||||
correct
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn part1_example() {
|
||||
assert_eq!(part1(&parse("47|53\n97|13\n97|61\n97|47\n75|29\n61|13\n75|53\n29|13\n97|29\n53|29\n61|53\n97|53\n61|29\n47|13\n75|47\n97|75\n47|61\n75|61\n47|29\n75|13\n53|13\n\n75,47,61,53,29\n97,61,53,29,13\n75,29,13\n75,97,47,61,53\n61,13,29\n97,13,75,29,47")), 143);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn part2_example() {
|
||||
assert_eq!(part2(&parse("47|53\n97|13\n97|61\n97|47\n75|29\n61|13\n75|53\n29|13\n97|29\n53|29\n61|53\n97|53\n61|29\n47|13\n75|47\n97|75\n47|61\n75|61\n47|29\n75|13\n53|13\n\n75,47,61,53,29\n97,61,53,29,13\n75,29,13\n75,97,47,61,53\n61,13,29\n97,13,75,29,47")), 123);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,231 @@
|
||||
use std::collections::VecDeque;
|
||||
|
||||
use aoc_runner_derive::{aoc, aoc_generator};
|
||||
|
||||
// type Input = ((usize, usize), Vec<Vec<u8>>);
|
||||
type Input = ((usize, usize), Vec<Vec<u8>>, Vec<Vec<[u8; 5]>>);
|
||||
|
||||
const UP: u8 = 0;
|
||||
const DOWN: u8 = 1;
|
||||
const LEFT: u8 = 2;
|
||||
const RIGHT: u8 = 4;
|
||||
const EMPTY: u8 = 8;
|
||||
const WALL: u8 = 16;
|
||||
const PASSED: u8 = 32;
|
||||
|
||||
const DIR: [(isize, isize); 5] = [(0, -1), (0, 1), (-1, 0), (0, 0), (1, 0)];
|
||||
const NEXT_DIR: [usize; 5] = [RIGHT as usize, LEFT as usize, UP as usize, 0, DOWN as usize];
|
||||
|
||||
#[aoc_generator(day6)]
|
||||
fn parse(input: &str) -> Input {
|
||||
let lines = input.split("\n");
|
||||
let mut pos = (0, 0);
|
||||
let mut stones = VecDeque::new();
|
||||
|
||||
let map: Vec<Vec<u8>> = lines
|
||||
.enumerate()
|
||||
.map(|(y, line)| {
|
||||
line.chars()
|
||||
.enumerate()
|
||||
.map(|(x, c)| match c {
|
||||
'.' => EMPTY,
|
||||
'#' => {
|
||||
stones.push_back((x, y));
|
||||
WALL
|
||||
}
|
||||
'^' => {
|
||||
pos = (x, y);
|
||||
EMPTY
|
||||
}
|
||||
_ => todo!(),
|
||||
})
|
||||
.collect()
|
||||
})
|
||||
.collect();
|
||||
|
||||
let mut jumps = vec![vec![[u8::MAX; 5]; map[0].len()]; map.len()];
|
||||
|
||||
while let Some((x, y)) = stones.pop_front() {
|
||||
for dir in NEXT_DIR {
|
||||
let mut d = 1;
|
||||
loop {
|
||||
let pos = (x as isize - d * DIR[dir].0, y as isize - d * DIR[dir].1);
|
||||
if pos.0 < 0
|
||||
|| pos.0 >= map[0].len() as isize
|
||||
|| pos.1 < 0
|
||||
|| pos.1 >= map.len() as isize
|
||||
|| map[pos.1 as usize][pos.0 as usize] == WALL
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
jumps[pos.1 as usize][pos.0 as usize][dir] = (d - 1) as u8;
|
||||
|
||||
d += 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
(pos, map, jumps)
|
||||
// (pos, map)
|
||||
}
|
||||
|
||||
#[aoc(day6, part1)]
|
||||
fn part1(input: &Input) -> u64 {
|
||||
let h = input.1.len();
|
||||
let w = input.1[0].len();
|
||||
|
||||
let mut map = input.1.clone();
|
||||
|
||||
let mut pos = ((input.0).0 as isize, (input.0).1 as isize);
|
||||
let mut dir = UP as usize;
|
||||
let mut count = 0;
|
||||
|
||||
loop {
|
||||
if map[pos.1 as usize][pos.0 as usize] == EMPTY {
|
||||
count += 1;
|
||||
map[pos.1 as usize][pos.0 as usize] = PASSED;
|
||||
}
|
||||
|
||||
if pos.0 + DIR[dir].0 < 0
|
||||
|| pos.0 + DIR[dir].0 >= w as isize
|
||||
|| pos.1 + DIR[dir].1 < 0
|
||||
|| pos.1 + DIR[dir].1 >= h as isize
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
while map[(pos.1 + DIR[dir].1) as usize][(pos.0 + DIR[dir].0) as usize] == WALL {
|
||||
dir = NEXT_DIR[dir];
|
||||
}
|
||||
|
||||
let next_pos = (pos.0 + DIR[dir].0, pos.1 + DIR[dir].1);
|
||||
pos = next_pos;
|
||||
}
|
||||
|
||||
count
|
||||
}
|
||||
|
||||
#[aoc(day6, part2)]
|
||||
fn part2(input: &Input) -> u64 {
|
||||
let h = input.1.len();
|
||||
let w = input.1[0].len();
|
||||
|
||||
let initial = ((input.0).0 as isize, (input.0).1 as isize);
|
||||
|
||||
let mut map = input.1.clone();
|
||||
let jumps = &input.2;
|
||||
|
||||
let mut pos = initial;
|
||||
let mut dir = UP as usize;
|
||||
let mut count = 0;
|
||||
|
||||
loop {
|
||||
if pos.0 + DIR[dir].0 < 0
|
||||
|| pos.0 + DIR[dir].0 >= w as isize
|
||||
|| pos.1 + DIR[dir].1 < 0
|
||||
|| pos.1 + DIR[dir].1 >= h as isize
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
while map[(pos.1 + DIR[dir].1) as usize][(pos.0 + DIR[dir].0) as usize] == WALL {
|
||||
dir = NEXT_DIR[dir];
|
||||
}
|
||||
|
||||
let next_pos = (pos.0 + DIR[dir].0, pos.1 + DIR[dir].1);
|
||||
|
||||
if next_pos != initial && map[next_pos.1 as usize][next_pos.0 as usize] == EMPTY {
|
||||
map[next_pos.1 as usize][next_pos.0 as usize] = WALL;
|
||||
if check_loop(pos, next_pos, dir, &mut map, jumps) {
|
||||
count += 1;
|
||||
}
|
||||
map[next_pos.1 as usize][next_pos.0 as usize] = PASSED;
|
||||
}
|
||||
|
||||
pos = next_pos;
|
||||
}
|
||||
|
||||
count
|
||||
}
|
||||
|
||||
fn check_loop(
|
||||
mut pos: (isize, isize),
|
||||
stone: (isize, isize),
|
||||
mut dir: usize,
|
||||
map: &mut [Vec<u8>],
|
||||
jumps: &[Vec<[u8; 5]>],
|
||||
) -> bool {
|
||||
let h = map.len();
|
||||
let w = map[0].len();
|
||||
|
||||
let mut changed = Vec::with_capacity(w * h * 4);
|
||||
|
||||
loop {
|
||||
if pos.0 + DIR[dir].0 < 0
|
||||
|| pos.0 + DIR[dir].0 >= w as isize
|
||||
|| pos.1 + DIR[dir].1 < 0
|
||||
|| pos.1 + DIR[dir].1 >= h as isize
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
let mut turn = false;
|
||||
while map[(pos.1 + DIR[dir].1) as usize][(pos.0 + DIR[dir].0) as usize] == WALL {
|
||||
dir = NEXT_DIR[dir];
|
||||
turn = true;
|
||||
}
|
||||
|
||||
let next_pos = if (pos.0 == stone.0) || (pos.1 == stone.1) {
|
||||
(pos.0 + DIR[dir].0, pos.1 + DIR[dir].1)
|
||||
} else {
|
||||
let d = jumps[pos.1 as usize][pos.0 as usize][dir] as isize;
|
||||
if d == u8::MAX as isize {
|
||||
changed.into_iter().for_each(|pos: (isize, isize)| {
|
||||
map[pos.1 as usize][pos.0 as usize] &= !(UP | DOWN | LEFT | RIGHT);
|
||||
});
|
||||
|
||||
return false;
|
||||
}
|
||||
(pos.0 + d * DIR[dir].0, pos.1 + d * DIR[dir].1)
|
||||
};
|
||||
|
||||
if turn {
|
||||
if map[next_pos.1 as usize][next_pos.0 as usize] & dir as u8 != 0 {
|
||||
changed.into_iter().for_each(|pos: (isize, isize)| {
|
||||
map[pos.1 as usize][pos.0 as usize] &= !(UP | DOWN | LEFT | RIGHT);
|
||||
});
|
||||
|
||||
return true;
|
||||
} else {
|
||||
map[next_pos.1 as usize][next_pos.0 as usize] |= dir as u8;
|
||||
changed.push(next_pos);
|
||||
}
|
||||
}
|
||||
|
||||
pos = next_pos;
|
||||
}
|
||||
|
||||
changed.into_iter().for_each(|pos: (isize, isize)| {
|
||||
map[pos.1 as usize][pos.0 as usize] &= !(UP | DOWN | LEFT | RIGHT);
|
||||
});
|
||||
|
||||
false
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn part1_example() {
|
||||
assert_eq!(part1(&parse("....#.....\n.........#\n..........\n..#.......\n.......#..\n..........\n.#..^.....\n........#.\n#.........\n......#...")), 41);
|
||||
assert_eq!(part1(&parse(include_str!("../input/2024/day6.txt"))), 4977);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn part2_example() {
|
||||
assert_eq!(part2(&parse("....#.....\n.........#\n..........\n..#.......\n.......#..\n..........\n.#..^.....\n........#.\n#.........\n......#...")), 6);
|
||||
assert_eq!(part2(&parse(include_str!("../input/2024/day6.txt"))), 1729);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,13 @@
|
||||
mod day6;
|
||||
mod day5;
|
||||
mod day4;
|
||||
mod day1;
|
||||
mod day2;
|
||||
mod day3;
|
||||
|
||||
extern crate aoc_runner;
|
||||
|
||||
#[macro_use]
|
||||
extern crate aoc_runner_derive;
|
||||
|
||||
aoc_lib! {year = 2024}
|
||||
Reference in new issue
Block a user