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-rw-r--r--2022/day5/Cargo.toml8
-rw-r--r--2022/day5/example.txt9
-rw-r--r--2022/day5/input.txt514
-rw-r--r--2022/day5/src/lib.rs163
4 files changed, 694 insertions, 0 deletions
diff --git a/2022/day5/Cargo.toml b/2022/day5/Cargo.toml
new file mode 100644
index 0000000..f9b62bf
--- /dev/null
+++ b/2022/day5/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "day5"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/2022/day5/example.txt b/2022/day5/example.txt
new file mode 100644
index 0000000..84933bb
--- /dev/null
+++ b/2022/day5/example.txt
@@ -0,0 +1,9 @@
+ [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
diff --git a/2022/day5/input.txt b/2022/day5/input.txt
new file mode 100644
index 0000000..8d7a981
--- /dev/null
+++ b/2022/day5/input.txt
@@ -0,0 +1,514 @@
+ [G] [D] [Q]
+[P] [T] [L] [M] [Z]
+[Z] [Z] [C] [Z] [G] [W]
+[M] [B] [F] [P] [C] [H] [N]
+[T] [S] [R] [H] [W] [R] [L] [W]
+[R] [T] [Q] [Z] [R] [S] [Z] [F] [P]
+[C] [N] [H] [R] [N] [H] [D] [J] [Q]
+[N] [D] [M] [G] [Z] [F] [W] [S] [S]
+ 1 2 3 4 5 6 7 8 9
+
+move 7 from 6 to 8
+move 5 from 2 to 6
+move 2 from 4 to 1
+move 1 from 4 to 5
+move 5 from 7 to 6
+move 7 from 6 to 3
+move 5 from 9 to 2
+move 6 from 2 to 3
+move 2 from 7 to 9
+move 20 from 3 to 1
+move 11 from 1 to 6
+move 1 from 9 to 8
+move 3 from 8 to 2
+move 8 from 1 to 5
+move 10 from 8 to 4
+move 7 from 6 to 4
+move 1 from 8 to 3
+move 8 from 1 to 7
+move 16 from 4 to 8
+move 1 from 9 to 8
+move 1 from 5 to 2
+move 4 from 7 to 4
+move 5 from 6 to 7
+move 1 from 6 to 1
+move 8 from 7 to 4
+move 1 from 6 to 9
+move 12 from 4 to 5
+move 3 from 2 to 5
+move 1 from 6 to 2
+move 1 from 3 to 7
+move 1 from 3 to 2
+move 1 from 9 to 3
+move 1 from 7 to 8
+move 1 from 7 to 5
+move 1 from 3 to 2
+move 4 from 5 to 7
+move 5 from 5 to 7
+move 1 from 4 to 3
+move 1 from 3 to 9
+move 3 from 1 to 8
+move 1 from 9 to 1
+move 2 from 2 to 1
+move 2 from 2 to 7
+move 8 from 8 to 1
+move 3 from 5 to 2
+move 8 from 7 to 5
+move 7 from 1 to 3
+move 3 from 1 to 7
+move 1 from 1 to 5
+move 1 from 3 to 7
+move 7 from 5 to 8
+move 2 from 2 to 8
+move 1 from 3 to 2
+move 1 from 2 to 4
+move 1 from 4 to 8
+move 13 from 8 to 1
+move 13 from 5 to 9
+move 2 from 5 to 2
+move 7 from 9 to 3
+move 12 from 8 to 3
+move 4 from 9 to 3
+move 1 from 3 to 4
+move 2 from 2 to 3
+move 1 from 1 to 6
+move 1 from 2 to 3
+move 1 from 5 to 9
+move 7 from 7 to 4
+move 10 from 1 to 8
+move 1 from 1 to 4
+move 1 from 9 to 5
+move 2 from 5 to 1
+move 1 from 6 to 5
+move 3 from 8 to 9
+move 5 from 4 to 3
+move 4 from 4 to 1
+move 7 from 1 to 6
+move 2 from 5 to 7
+move 35 from 3 to 4
+move 4 from 9 to 1
+move 19 from 4 to 8
+move 1 from 7 to 6
+move 1 from 9 to 2
+move 10 from 4 to 5
+move 2 from 4 to 7
+move 3 from 4 to 3
+move 1 from 2 to 8
+move 1 from 1 to 9
+move 3 from 3 to 6
+move 4 from 8 to 6
+move 4 from 5 to 2
+move 2 from 8 to 3
+move 3 from 5 to 9
+move 12 from 6 to 1
+move 8 from 8 to 6
+move 2 from 9 to 1
+move 1 from 4 to 1
+move 1 from 3 to 8
+move 3 from 7 to 8
+move 2 from 9 to 7
+move 1 from 6 to 7
+move 10 from 6 to 8
+move 4 from 2 to 5
+move 1 from 3 to 7
+move 7 from 5 to 7
+move 13 from 8 to 1
+move 29 from 1 to 4
+move 8 from 7 to 8
+move 1 from 1 to 3
+move 3 from 7 to 6
+move 1 from 1 to 9
+move 15 from 4 to 1
+move 1 from 3 to 6
+move 10 from 1 to 6
+move 10 from 6 to 7
+move 1 from 4 to 9
+move 1 from 9 to 1
+move 1 from 9 to 7
+move 6 from 7 to 8
+move 1 from 1 to 6
+move 5 from 6 to 5
+move 21 from 8 to 9
+move 5 from 1 to 9
+move 2 from 9 to 5
+move 3 from 5 to 6
+move 3 from 7 to 9
+move 4 from 4 to 6
+move 6 from 8 to 7
+move 6 from 6 to 3
+move 2 from 7 to 9
+move 1 from 7 to 2
+move 6 from 3 to 2
+move 1 from 6 to 4
+move 4 from 5 to 9
+move 1 from 4 to 5
+move 9 from 4 to 6
+move 7 from 6 to 4
+move 10 from 9 to 2
+move 5 from 7 to 5
+move 10 from 2 to 7
+move 2 from 5 to 4
+move 2 from 5 to 9
+move 4 from 9 to 4
+move 1 from 8 to 6
+move 7 from 7 to 2
+move 1 from 5 to 4
+move 2 from 7 to 1
+move 1 from 5 to 7
+move 3 from 6 to 2
+move 4 from 4 to 5
+move 1 from 2 to 7
+move 10 from 4 to 7
+move 3 from 7 to 3
+move 17 from 9 to 4
+move 1 from 1 to 4
+move 1 from 1 to 5
+move 5 from 2 to 7
+move 1 from 9 to 2
+move 5 from 4 to 8
+move 2 from 9 to 7
+move 4 from 8 to 1
+move 3 from 4 to 8
+move 1 from 2 to 5
+move 1 from 9 to 2
+move 6 from 4 to 8
+move 3 from 7 to 5
+move 1 from 4 to 9
+move 1 from 9 to 1
+move 3 from 1 to 9
+move 4 from 8 to 5
+move 2 from 9 to 8
+move 4 from 2 to 5
+move 8 from 7 to 2
+move 5 from 8 to 5
+move 2 from 7 to 8
+move 1 from 3 to 5
+move 1 from 1 to 2
+move 1 from 1 to 6
+move 2 from 3 to 6
+move 5 from 2 to 8
+move 4 from 7 to 1
+move 7 from 8 to 5
+move 1 from 1 to 5
+move 3 from 8 to 3
+move 1 from 9 to 3
+move 7 from 2 to 3
+move 2 from 2 to 8
+move 2 from 4 to 8
+move 1 from 8 to 5
+move 1 from 1 to 4
+move 2 from 4 to 7
+move 2 from 7 to 1
+move 3 from 2 to 3
+move 3 from 5 to 2
+move 1 from 8 to 3
+move 3 from 3 to 2
+move 5 from 2 to 1
+move 17 from 5 to 8
+move 9 from 8 to 1
+move 11 from 3 to 5
+move 8 from 8 to 5
+move 2 from 8 to 5
+move 16 from 1 to 4
+move 13 from 4 to 7
+move 6 from 5 to 2
+move 2 from 4 to 8
+move 5 from 7 to 9
+move 2 from 1 to 2
+move 7 from 7 to 1
+move 1 from 1 to 4
+move 1 from 9 to 8
+move 7 from 2 to 8
+move 1 from 4 to 7
+move 2 from 9 to 4
+move 1 from 4 to 1
+move 1 from 3 to 5
+move 2 from 9 to 8
+move 11 from 8 to 7
+move 2 from 6 to 5
+move 1 from 6 to 9
+move 1 from 1 to 9
+move 1 from 9 to 1
+move 4 from 1 to 4
+move 2 from 1 to 8
+move 1 from 1 to 2
+move 1 from 9 to 5
+move 2 from 4 to 3
+move 2 from 2 to 7
+move 2 from 3 to 9
+move 1 from 9 to 1
+move 1 from 9 to 1
+move 5 from 5 to 1
+move 19 from 5 to 6
+move 5 from 1 to 4
+move 1 from 2 to 9
+move 1 from 1 to 3
+move 7 from 5 to 8
+move 1 from 3 to 6
+move 8 from 7 to 3
+move 7 from 4 to 8
+move 3 from 8 to 5
+move 1 from 4 to 1
+move 1 from 9 to 4
+move 1 from 4 to 9
+move 1 from 5 to 2
+move 2 from 5 to 6
+move 2 from 8 to 2
+move 7 from 8 to 1
+move 1 from 1 to 7
+move 3 from 6 to 9
+move 2 from 3 to 2
+move 1 from 2 to 1
+move 1 from 8 to 7
+move 2 from 9 to 6
+move 2 from 9 to 5
+move 1 from 5 to 6
+move 1 from 2 to 8
+move 2 from 1 to 7
+move 1 from 4 to 3
+move 3 from 2 to 5
+move 7 from 1 to 3
+move 10 from 3 to 4
+move 3 from 5 to 4
+move 1 from 3 to 8
+move 3 from 3 to 2
+move 1 from 8 to 1
+move 1 from 1 to 3
+move 3 from 8 to 3
+move 5 from 4 to 6
+move 1 from 2 to 3
+move 4 from 6 to 4
+move 1 from 5 to 7
+move 4 from 3 to 4
+move 1 from 2 to 8
+move 12 from 7 to 6
+move 1 from 8 to 2
+move 2 from 2 to 7
+move 1 from 8 to 4
+move 23 from 6 to 3
+move 14 from 3 to 6
+move 15 from 4 to 6
+move 1 from 8 to 6
+move 10 from 3 to 7
+move 2 from 4 to 2
+move 11 from 7 to 8
+move 2 from 2 to 6
+move 44 from 6 to 9
+move 21 from 9 to 3
+move 12 from 3 to 6
+move 1 from 7 to 4
+move 1 from 4 to 7
+move 9 from 3 to 2
+move 2 from 8 to 6
+move 3 from 2 to 4
+move 17 from 9 to 1
+move 3 from 4 to 6
+move 2 from 2 to 9
+move 4 from 9 to 2
+move 10 from 6 to 9
+move 1 from 7 to 6
+move 4 from 9 to 5
+move 4 from 2 to 4
+move 14 from 1 to 5
+move 4 from 4 to 3
+move 3 from 2 to 9
+move 9 from 9 to 7
+move 1 from 2 to 5
+move 9 from 8 to 5
+move 8 from 7 to 2
+move 4 from 3 to 8
+move 5 from 6 to 2
+move 3 from 1 to 6
+move 1 from 7 to 1
+move 4 from 2 to 4
+move 3 from 6 to 4
+move 3 from 8 to 3
+move 13 from 5 to 2
+move 2 from 3 to 5
+move 12 from 5 to 9
+move 1 from 3 to 5
+move 1 from 5 to 9
+move 1 from 8 to 3
+move 4 from 9 to 5
+move 6 from 4 to 5
+move 12 from 9 to 7
+move 1 from 9 to 3
+move 1 from 3 to 2
+move 12 from 5 to 6
+move 12 from 7 to 2
+move 1 from 3 to 7
+move 1 from 4 to 8
+move 33 from 2 to 8
+move 1 from 7 to 5
+move 1 from 1 to 2
+move 4 from 5 to 4
+move 3 from 2 to 5
+move 34 from 8 to 6
+move 1 from 4 to 3
+move 1 from 5 to 7
+move 1 from 7 to 5
+move 3 from 4 to 9
+move 2 from 9 to 7
+move 1 from 9 to 4
+move 1 from 3 to 7
+move 1 from 5 to 8
+move 1 from 5 to 1
+move 1 from 5 to 7
+move 1 from 4 to 8
+move 1 from 1 to 4
+move 1 from 4 to 2
+move 3 from 7 to 5
+move 2 from 8 to 5
+move 1 from 2 to 8
+move 4 from 6 to 2
+move 1 from 8 to 6
+move 1 from 7 to 9
+move 29 from 6 to 7
+move 4 from 2 to 3
+move 2 from 5 to 8
+move 1 from 9 to 5
+move 2 from 8 to 1
+move 23 from 7 to 5
+move 2 from 6 to 1
+move 23 from 5 to 6
+move 1 from 3 to 6
+move 4 from 5 to 9
+move 2 from 1 to 3
+move 5 from 3 to 8
+move 2 from 6 to 5
+move 2 from 1 to 4
+move 1 from 9 to 8
+move 1 from 9 to 1
+move 1 from 4 to 6
+move 2 from 5 to 6
+move 6 from 7 to 8
+move 2 from 9 to 2
+move 18 from 6 to 5
+move 21 from 6 to 4
+move 1 from 1 to 6
+move 2 from 6 to 7
+move 2 from 7 to 9
+move 2 from 2 to 8
+move 7 from 4 to 3
+move 12 from 5 to 3
+move 1 from 9 to 5
+move 1 from 9 to 4
+move 6 from 5 to 2
+move 17 from 3 to 4
+move 3 from 4 to 3
+move 1 from 2 to 4
+move 5 from 2 to 8
+move 1 from 5 to 8
+move 19 from 8 to 7
+move 1 from 3 to 6
+move 1 from 8 to 4
+move 1 from 6 to 1
+move 15 from 4 to 6
+move 1 from 1 to 4
+move 3 from 3 to 5
+move 4 from 6 to 7
+move 1 from 4 to 7
+move 10 from 6 to 7
+move 16 from 4 to 5
+move 24 from 7 to 2
+move 8 from 7 to 8
+move 1 from 4 to 2
+move 6 from 8 to 7
+move 1 from 8 to 7
+move 1 from 6 to 9
+move 14 from 5 to 4
+move 9 from 7 to 8
+move 4 from 5 to 1
+move 2 from 1 to 5
+move 3 from 8 to 6
+move 2 from 6 to 9
+move 2 from 2 to 8
+move 6 from 2 to 7
+move 3 from 4 to 6
+move 1 from 3 to 4
+move 3 from 5 to 7
+move 1 from 6 to 9
+move 5 from 7 to 2
+move 4 from 9 to 1
+move 1 from 7 to 9
+move 9 from 8 to 4
+move 5 from 1 to 2
+move 2 from 6 to 1
+move 6 from 4 to 7
+move 1 from 7 to 3
+move 1 from 3 to 9
+move 1 from 9 to 7
+move 1 from 6 to 7
+move 9 from 4 to 5
+move 7 from 7 to 9
+move 3 from 7 to 5
+move 1 from 9 to 2
+move 6 from 9 to 8
+move 4 from 4 to 5
+move 1 from 4 to 2
+move 1 from 4 to 2
+move 2 from 1 to 2
+move 1 from 9 to 8
+move 10 from 2 to 4
+move 8 from 2 to 7
+move 12 from 2 to 9
+move 6 from 7 to 4
+move 1 from 1 to 2
+move 8 from 9 to 8
+move 7 from 5 to 1
+move 9 from 4 to 3
+move 14 from 8 to 4
+move 1 from 8 to 4
+move 1 from 1 to 5
+move 1 from 5 to 2
+move 3 from 2 to 4
+move 1 from 7 to 1
+move 1 from 7 to 3
+move 2 from 1 to 7
+move 3 from 5 to 7
+move 2 from 7 to 6
+move 1 from 6 to 5
+move 3 from 7 to 1
+move 1 from 6 to 8
+move 1 from 8 to 7
+move 1 from 3 to 6
+move 1 from 7 to 1
+move 4 from 1 to 4
+move 6 from 3 to 2
+move 3 from 1 to 2
+move 3 from 3 to 6
+move 3 from 2 to 6
+move 6 from 6 to 5
+move 1 from 1 to 4
+move 1 from 9 to 6
+move 5 from 2 to 1
+move 3 from 1 to 2
+move 2 from 9 to 8
+move 3 from 1 to 5
+move 1 from 9 to 7
+move 25 from 4 to 1
+move 1 from 1 to 7
+move 2 from 8 to 3
+move 13 from 1 to 9
+move 2 from 3 to 5
+move 8 from 5 to 9
+move 4 from 2 to 1
+move 2 from 6 to 7
+move 10 from 5 to 9
+move 4 from 7 to 2
+move 2 from 2 to 3
+move 9 from 9 to 2
+move 4 from 4 to 5
+move 4 from 5 to 4
+move 5 from 1 to 4
+move 10 from 4 to 5
+move 22 from 9 to 1
+move 2 from 2 to 7
+move 3 from 2 to 1
+move 6 from 2 to 6
+move 1 from 7 to 1
+move 10 from 5 to 7
+move 15 from 1 to 4
+move 13 from 1 to 5
+move 3 from 6 to 8
+move 1 from 8 to 9
diff --git a/2022/day5/src/lib.rs b/2022/day5/src/lib.rs
new file mode 100644
index 0000000..c5f7458
--- /dev/null
+++ b/2022/day5/src/lib.rs
@@ -0,0 +1,163 @@
+use std::collections::HashMap;
+use std::collections::VecDeque;
+
+pub fn part1(input: &str) -> String {
+ let mut h: Vec<VecDeque<char>> = Vec::with_capacity(10);
+ h.resize(10, VecDeque::new());
+
+ let split: Vec<&str> = input.split("\n\n").collect();
+ let mut m: HashMap<usize, usize> = HashMap::new();
+ let mut i = 0;
+ let mut j = 1;
+ while i < 10 {
+ m.insert(j, i);
+ j += 4;
+ i += 1;
+ }
+
+ assert!(split.len() == 2);
+
+ for line in split[0].lines() {
+ if line.chars().nth(1).unwrap() == '1' {
+ continue;
+ }
+
+ for (i, ch) in line.chars().enumerate() {
+ match ch {
+ ' ' | '[' | ']' => {
+ continue;
+ }
+ x => {
+ let idx = m[&i];
+ h[idx].push_front(x);
+ }
+ };
+ }
+ }
+
+ for line in split[1].lines() {
+ let actions: Vec<usize> = line
+ .split(' ')
+ .enumerate()
+ .filter(|&(i, _)| i % 2 == 1)
+ .map(|(_, e)| e.parse::<usize>().unwrap())
+ .collect();
+
+ for _ in 0..actions[0] {
+ let x = h[actions[1] - 1].pop_back().unwrap();
+ h[actions[2] - 1].push_back(x);
+ }
+ }
+
+ let mut s = String::new();
+
+ for mut e in h {
+ if e.len() == 0 {
+ continue;
+ }
+
+ let x = e.pop_back().unwrap().to_string();
+ s += &x;
+ }
+
+ s
+}
+
+pub fn part2(input: &str) -> String {
+ let mut h: Vec<VecDeque<char>> = Vec::with_capacity(10);
+ h.resize(10, VecDeque::new());
+
+ let split: Vec<&str> = input.split("\n\n").collect();
+ let mut m: HashMap<usize, usize> = HashMap::new();
+ let mut i = 0;
+ let mut j = 1;
+ while i < 10 {
+ m.insert(j, i);
+ j += 4;
+ i += 1;
+ }
+
+ assert!(split.len() == 2);
+
+ for line in split[0].lines() {
+ if line.chars().nth(1).unwrap() == '1' {
+ continue;
+ }
+
+ for (i, ch) in line.chars().enumerate() {
+ match ch {
+ ' ' | '[' | ']' => {
+ continue;
+ }
+ x => {
+ let idx = m[&i];
+ h[idx].push_front(x);
+ }
+ };
+ }
+ }
+
+ for line in split[1].lines() {
+ let actions: Vec<usize> = line
+ .split(' ')
+ .enumerate()
+ .filter(|&(i, _)| i % 2 == 1)
+ .map(|(_, e)| e.parse::<usize>().unwrap())
+ .collect();
+
+ let mut xs = Vec::<char>::new();
+ for _ in 0..actions[0] {
+ xs.push(h[actions[1] - 1].pop_back().unwrap());
+ }
+ xs.reverse();
+ for x in xs {
+ h[actions[2] - 1].push_back(x);
+ }
+ }
+
+ let mut s = String::new();
+
+ for mut e in h {
+ if e.len() == 0 {
+ continue;
+ }
+
+ let x = e.pop_back().unwrap().to_string();
+ s += &x;
+ }
+
+ s
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn test_example() {
+ let input = include_str!("../example.txt");
+
+ assert_eq!(part1(input), String::from("CMZ"));
+ }
+
+ #[test]
+ fn test_input1() {
+ let input = include_str!("../input.txt");
+
+ assert_eq!(part1(input), String::from("RTGWZTHLD"));
+ }
+
+ #[test]
+ fn test_example2() {
+ let input = include_str!("../example.txt");
+
+ assert_eq!(part2(input), String::from("MCD"));
+ }
+
+ #[test]
+ fn test_input2() {
+ let input = include_str!("../input.txt");
+
+ assert_eq!(part2(input), String::from("STHGRZZFR"));
+ }
+}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-22 11:00:43 +0000