Solved day 5
This commit is contained in:
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@ -30,6 +30,10 @@ path="src/day04/solve.rs"
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name="day05"
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path="src/day05/solve.rs"
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[[bin]]
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name="day06"
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path="src/day06/solve.rs"
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[dependencies]
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regex="1"
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once_cell = "1.16.0"
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@ -0,0 +1,514 @@
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[S] [C] [Z]
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[F] [J] [P] [T] [N]
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[G] [H] [G] [Q] [G] [D]
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[V] [V] [D] [G] [F] [D] [V]
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[R] [B] [F] [N] [N] [Q] [L] [S]
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[J] [M] [M] [P] [H] [V] [B] [B] [D]
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[L] [P] [H] [D] [L] [F] [D] [J] [L]
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[D] [T] [V] [M] [J] [N] [F] [M] [G]
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1 2 3 4 5 6 7 8 9
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move 2 from 9 to 2
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move 5 from 5 to 7
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move 1 from 9 to 8
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move 20 from 8 to 1
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move 4 from 7 to 6
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move 6 from 8 to 3
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move 6 from 8 to 3
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move 5 from 2 to 9
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move 3 from 2 to 1
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@ -1,7 +1,15 @@
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use crate::utilities::*;
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pub fn part1() -> usize {
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unimplemented!()
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pub fn part1(input: &(WorkArea, Vec<Move>)) -> Vec<char> {
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||||
let (mut work_area, moves) = input.to_owned();
|
||||
for r#move in moves {
|
||||
work_area.apply_move_cratemover9000(&r#move)
|
||||
}
|
||||
work_area
|
||||
.get_stacks()
|
||||
.iter()
|
||||
.map(|stack| stack.last().unwrap().to_owned())
|
||||
.collect()
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
|
@ -10,6 +18,31 @@ mod tests {
|
|||
|
||||
#[test]
|
||||
fn test_part1() {
|
||||
assert_eq!(part1(), 0);
|
||||
let input = (
|
||||
WorkArea::new(vec![vec!['Z', 'N'], vec!['M', 'C', 'D'], vec!['P']]),
|
||||
vec![
|
||||
Move {
|
||||
to: 1,
|
||||
from: 2,
|
||||
number: 1,
|
||||
},
|
||||
Move {
|
||||
to: 3,
|
||||
from: 1,
|
||||
number: 3,
|
||||
},
|
||||
Move {
|
||||
to: 1,
|
||||
from: 2,
|
||||
number: 2,
|
||||
},
|
||||
Move {
|
||||
to: 2,
|
||||
from: 1,
|
||||
number: 1,
|
||||
},
|
||||
],
|
||||
);
|
||||
assert_eq!(part1(&input), vec!['C', 'M', 'Z']);
|
||||
}
|
||||
}
|
||||
|
|
|
@ -1,7 +1,15 @@
|
|||
use crate::utilities::*;
|
||||
|
||||
pub fn part2() -> usize {
|
||||
unimplemented!()
|
||||
pub fn part2(input: &(WorkArea, Vec<Move>)) -> Vec<char> {
|
||||
let (mut work_area, moves) = input.to_owned();
|
||||
for r#move in moves {
|
||||
work_area.apply_move_cratemover9001(&r#move)
|
||||
}
|
||||
work_area
|
||||
.get_stacks()
|
||||
.iter()
|
||||
.map(|stack| stack.last().unwrap().to_owned())
|
||||
.collect()
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
|
@ -10,6 +18,31 @@ mod tests {
|
|||
|
||||
#[test]
|
||||
fn test_part2() {
|
||||
assert_eq!(part2(), 0);
|
||||
let input = (
|
||||
WorkArea::new(vec![vec!['Z', 'N'], vec!['M', 'C', 'D'], vec!['P']]),
|
||||
vec![
|
||||
Move {
|
||||
to: 1,
|
||||
from: 2,
|
||||
number: 1,
|
||||
},
|
||||
Move {
|
||||
to: 3,
|
||||
from: 1,
|
||||
number: 3,
|
||||
},
|
||||
Move {
|
||||
to: 1,
|
||||
from: 2,
|
||||
number: 2,
|
||||
},
|
||||
Move {
|
||||
to: 2,
|
||||
from: 1,
|
||||
number: 1,
|
||||
},
|
||||
],
|
||||
);
|
||||
assert_eq!(part2(&input), vec!['M', 'C', 'D']);
|
||||
}
|
||||
}
|
||||
|
|
|
@ -7,8 +7,8 @@ fn main() {
|
|||
let _structured_input = utilities::parse(_input);
|
||||
|
||||
println!("Part One");
|
||||
println!("Result: {}", part1::part1());
|
||||
println!("Result: {:?}", part1::part1(&_structured_input));
|
||||
|
||||
println!("Part Two");
|
||||
println!("Result: {}", part2::part2());
|
||||
println!("Result: {:?}", part2::part2(&_structured_input));
|
||||
}
|
||||
|
|
|
@ -1,16 +1,144 @@
|
|||
pub fn parse(input: &str) -> usize {
|
||||
unimplemented!()
|
||||
use once_cell::sync::Lazy;
|
||||
use regex::Regex;
|
||||
#[derive(Debug, PartialEq, Eq, Clone)]
|
||||
pub struct Move {
|
||||
pub to: usize,
|
||||
pub from: usize,
|
||||
pub number: u8,
|
||||
}
|
||||
|
||||
#[derive(Debug, PartialEq, Eq, Clone)]
|
||||
pub struct WorkArea {
|
||||
stacks: Vec<Vec<char>>,
|
||||
}
|
||||
|
||||
impl WorkArea {
|
||||
pub fn new(stacks: Vec<Vec<char>>) -> Self {
|
||||
Self { stacks }
|
||||
}
|
||||
pub fn apply_move_cratemover9000(&mut self, action: &Move) {
|
||||
for _ in 0..action.number {
|
||||
let cargo = self.stacks.get_mut(action.from - 1).unwrap().pop().unwrap();
|
||||
self.stacks.get_mut(action.to - 1).unwrap().push(cargo);
|
||||
}
|
||||
}
|
||||
pub fn apply_move_cratemover9001(&mut self, action: &Move) {
|
||||
let mut crane_holder: Vec<char> = Vec::new();
|
||||
for _ in 0..action.number {
|
||||
let cargo = self.stacks.get_mut(action.from - 1).unwrap().pop().unwrap();
|
||||
crane_holder.push(cargo);
|
||||
}
|
||||
for cargo in crane_holder.iter().rev() {
|
||||
self.stacks.get_mut(action.to - 1).unwrap().push(*cargo);
|
||||
}
|
||||
}
|
||||
pub fn get_stacks(&self) -> &Vec<Vec<char>> {
|
||||
&self.stacks
|
||||
}
|
||||
}
|
||||
|
||||
pub fn parse(input: &str) -> (WorkArea, Vec<Move>) {
|
||||
let mut input = input.split("\n\n");
|
||||
let work_area = parse_work_area(input.next().unwrap());
|
||||
let moves = parse_moves(input.next().unwrap());
|
||||
(work_area, moves)
|
||||
}
|
||||
|
||||
pub fn parse_work_area(input: &str) -> WorkArea {
|
||||
//decode those bottom index numbers
|
||||
let index_row = input.lines().rev().next().unwrap();
|
||||
//some ascii math and array math to get the second to last char and convert it into a number.
|
||||
let index_max: usize = (index_row.as_bytes()[index_row.len() - 2] - b'0') as usize;
|
||||
//initalize the work area:
|
||||
let mut work_area: Vec<Vec<char>> = Vec::new();
|
||||
for _ in 0..index_max {
|
||||
work_area.push(Vec::new())
|
||||
}
|
||||
|
||||
//now parse the rest
|
||||
for line in input.lines().rev() {
|
||||
for (y, cargo_crate) in line.as_bytes().chunks(4).enumerate() {
|
||||
let cargo = cargo_crate[1] as char;
|
||||
//easiest way to filter out that last line is just to filter out digits.
|
||||
if cargo != ' ' && !cargo.is_ascii_digit() {
|
||||
work_area.get_mut(y).unwrap().push(cargo)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
WorkArea::new(work_area)
|
||||
}
|
||||
|
||||
pub fn parse_moves(input: &str) -> Vec<Move> {
|
||||
static PARSE_MOVES_REGEX: Lazy<Regex> =
|
||||
Lazy::new(|| Regex::new(r"^move (\d+) from (\d+) to (\d+)$").unwrap());
|
||||
input
|
||||
.lines()
|
||||
.map(|line| {
|
||||
let cap = PARSE_MOVES_REGEX.captures(line).unwrap();
|
||||
Move {
|
||||
to: cap.get(3).unwrap().as_str().parse().unwrap(),
|
||||
from: cap.get(2).unwrap().as_str().parse().unwrap(),
|
||||
number: cap.get(1).unwrap().as_str().parse().unwrap(),
|
||||
}
|
||||
})
|
||||
.collect()
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn test_parse_work_area() {
|
||||
let input = " [D]
|
||||
[N] [C]
|
||||
[Z] [M] [P]
|
||||
1 2 3 ";
|
||||
assert_eq!(
|
||||
parse_work_area(input),
|
||||
WorkArea::new(vec![vec!['Z', 'N'], vec!['M', 'C', 'D'], vec!['P'],],)
|
||||
)
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse() {
|
||||
let input =
|
||||
"test"
|
||||
;
|
||||
assert_eq!(parse(input), 0);
|
||||
let input = " [D]
|
||||
[N] [C]
|
||||
[Z] [M] [P]
|
||||
1 2 3
|
||||
|
||||
move 1 from 2 to 1
|
||||
move 3 from 1 to 3
|
||||
move 2 from 2 to 1
|
||||
move 1 from 1 to 2";
|
||||
assert_eq!(
|
||||
parse(input),
|
||||
(
|
||||
WorkArea::new(vec![vec!['Z', 'N'], vec!['M', 'C', 'D'], vec!['P'],],),
|
||||
vec![
|
||||
Move {
|
||||
to: 1,
|
||||
from: 2,
|
||||
number: 1
|
||||
},
|
||||
Move {
|
||||
to: 3,
|
||||
from: 1,
|
||||
number: 3
|
||||
},
|
||||
Move {
|
||||
to: 1,
|
||||
from: 2,
|
||||
number: 2
|
||||
},
|
||||
Move {
|
||||
to: 2,
|
||||
from: 1,
|
||||
number: 1
|
||||
},
|
||||
]
|
||||
)
|
||||
);
|
||||
}
|
||||
}
|
||||
|
|
0
src/day06/input.txt
Normal file
0
src/day06/input.txt
Normal file
15
src/day06/part1.rs
Normal file
15
src/day06/part1.rs
Normal file
|
@ -0,0 +1,15 @@
|
|||
use crate::utilities::*;
|
||||
|
||||
pub fn part1() -> usize {
|
||||
unimplemented!()
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn test_part1() {
|
||||
assert_eq!(part1(), 0);
|
||||
}
|
||||
}
|
15
src/day06/part2.rs
Normal file
15
src/day06/part2.rs
Normal file
|
@ -0,0 +1,15 @@
|
|||
use crate::utilities::*;
|
||||
|
||||
pub fn part2() -> usize {
|
||||
unimplemented!()
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn test_part2() {
|
||||
assert_eq!(part2(), 0);
|
||||
}
|
||||
}
|
14
src/day06/solve.rs
Normal file
14
src/day06/solve.rs
Normal file
|
@ -0,0 +1,14 @@
|
|||
mod part1;
|
||||
mod part2;
|
||||
mod utilities;
|
||||
|
||||
fn main() {
|
||||
let _input = include_str!("./input.txt");
|
||||
let _structured_input = utilities::parse(_input);
|
||||
|
||||
println!("Part One");
|
||||
println!("Result: {}", part1::part1());
|
||||
|
||||
println!("Part Two");
|
||||
println!("Result: {}", part2::part2());
|
||||
}
|
16
src/day06/utilities.rs
Normal file
16
src/day06/utilities.rs
Normal file
|
@ -0,0 +1,16 @@
|
|||
pub fn parse(input: &str) -> usize {
|
||||
unimplemented!()
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn test_parse() {
|
||||
let input =
|
||||
"test"
|
||||
;
|
||||
assert_eq!(parse(input), 0);
|
||||
}
|
||||
}
|
Loading…
Reference in a new issue