commit 0188b5b860d24386758d6a703186053a85686cf2 parent 264f4449066c78ef7adb55e72c3259852e73a82d Author: Shimmy Xu <shimmy.xu@shimmy1996.com> Date: Mon, 5 Dec 2022 02:00:18 -0500 Add 2022 day 05 Diffstat:
| A | 2022/day05/Cargo.toml | | | 8 | ++++++++ |
| A | 2022/day05/input.txt | | | 511 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | 2022/day05/src/main.rs | | | 56 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
3 files changed, 575 insertions(+), 0 deletions(-)
diff --git a/2022/day05/Cargo.toml b/2022/day05/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "day05"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+regex = "1"+
\ No newline at end of file
diff --git a/2022/day05/input.txt b/2022/day05/input.txt
@@ -0,0 +1,511 @@
+[V] [B] [C]
+[C] [N] [G] [W] [P]
+[W] [C] [Q] [S] [C] [M]
+[L] [W] [B] [Z] [F] [S] [V]
+[R] [G] [H] [F] [P] [V] [M] [T]
+[M] [L] [R] [D] [L] [N] [P] [D] [W]
+[F] [Q] [S] [C] [G] [G] [Z] [P] [N]
+[Q] [D] [P] [L] [V] [D] [D] [C] [Z]
+ 1 2 3 4 5 6 7 8 9
+
+move 1 from 9 to 2
+move 4 from 6 to 1
+move 4 from 2 to 6
+move 5 from 8 to 7
+move 4 from 9 to 2
+move 1 from 5 to 8
+move 1 from 3 to 1
+move 2 from 3 to 1
+move 1 from 4 to 2
+move 11 from 7 to 2
+move 5 from 5 to 1
+move 1 from 6 to 8
+move 1 from 7 to 6
+move 3 from 6 to 7
+move 1 from 3 to 2
+move 1 from 6 to 8
+move 11 from 2 to 1
+move 1 from 9 to 8
+move 1 from 3 to 7
+move 4 from 7 to 9
+move 3 from 3 to 7
+move 4 from 8 to 2
+move 3 from 7 to 6
+move 2 from 6 to 3
+move 5 from 4 to 1
+move 1 from 6 to 5
+move 26 from 1 to 7
+move 1 from 4 to 6
+move 22 from 7 to 5
+move 4 from 9 to 1
+move 3 from 7 to 3
+move 1 from 6 to 3
+move 6 from 1 to 7
+move 2 from 7 to 5
+move 8 from 1 to 9
+move 4 from 3 to 4
+move 10 from 2 to 7
+move 6 from 7 to 4
+move 2 from 9 to 5
+move 1 from 5 to 1
+move 8 from 4 to 1
+move 2 from 5 to 9
+move 1 from 3 to 6
+move 1 from 9 to 1
+move 1 from 3 to 6
+move 2 from 5 to 2
+move 1 from 4 to 2
+move 1 from 2 to 3
+move 7 from 1 to 4
+move 9 from 7 to 4
+move 1 from 3 to 4
+move 2 from 2 to 4
+move 5 from 9 to 6
+move 1 from 4 to 5
+move 2 from 9 to 3
+move 1 from 1 to 6
+move 2 from 6 to 1
+move 2 from 6 to 5
+move 2 from 9 to 7
+move 1 from 3 to 9
+move 1 from 9 to 5
+move 2 from 7 to 3
+move 1 from 1 to 7
+move 7 from 4 to 5
+move 2 from 1 to 2
+move 3 from 3 to 8
+move 3 from 8 to 9
+move 31 from 5 to 8
+move 1 from 7 to 1
+move 1 from 2 to 1
+move 1 from 1 to 5
+move 1 from 5 to 6
+move 2 from 5 to 7
+move 10 from 4 to 9
+move 5 from 6 to 2
+move 3 from 2 to 6
+move 2 from 7 to 8
+move 1 from 6 to 3
+move 1 from 4 to 1
+move 1 from 3 to 6
+move 1 from 4 to 2
+move 2 from 1 to 2
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+move 10 from 8 to 2
+move 13 from 2 to 9
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+move 18 from 8 to 2
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+move 1 from 2 to 3
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+move 6 from 2 to 3
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+move 1 from 5 to 8
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+move 2 from 2 to 7
+move 15 from 6 to 1
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+move 1 from 1 to 6
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+move 4 from 9 to 7
+move 1 from 1 to 5
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+move 1 from 5 to 4
+move 2 from 1 to 2
+move 3 from 1 to 4
+move 9 from 6 to 2
+move 1 from 7 to 4
+move 1 from 8 to 2
+move 1 from 6 to 4
+move 4 from 7 to 8
+move 12 from 6 to 8
+move 3 from 2 to 1
+move 6 from 8 to 7
+move 5 from 3 to 6
+move 3 from 3 to 6
+move 3 from 1 to 3
+move 8 from 2 to 9
+move 2 from 4 to 5
+move 2 from 7 to 2
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+move 3 from 3 to 2
+move 10 from 5 to 3
+move 1 from 4 to 3
+move 1 from 2 to 1
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+move 8 from 4 to 6
+move 5 from 1 to 6
+move 9 from 5 to 7
+move 2 from 8 to 3
+move 2 from 2 to 7
+move 1 from 1 to 4
+move 2 from 5 to 8
+move 4 from 3 to 1
+move 4 from 8 to 1
+move 1 from 8 to 6
+move 9 from 7 to 6
+move 2 from 7 to 5
+move 3 from 1 to 8
+move 1 from 4 to 8
+move 1 from 2 to 4
+move 12 from 6 to 2
+move 3 from 8 to 6
+move 1 from 4 to 7
+move 2 from 6 to 8
+move 5 from 5 to 9
+move 13 from 2 to 9
+move 2 from 4 to 7
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+move 2 from 6 to 5
+move 1 from 3 to 9
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+move 5 from 1 to 3
+move 1 from 7 to 9
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+move 2 from 4 to 7
+move 2 from 4 to 6
+move 1 from 4 to 6
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+move 18 from 6 to 2
+move 2 from 7 to 3
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+move 3 from 2 to 8
+move 5 from 7 to 3
+move 1 from 9 to 6
+move 2 from 3 to 8
+move 11 from 3 to 2
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+move 1 from 6 to 2
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+move 5 from 4 to 5
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+move 3 from 4 to 5
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+move 5 from 1 to 8
+move 3 from 3 to 9
+move 2 from 1 to 5
+move 8 from 5 to 8
+move 10 from 3 to 5
+move 3 from 4 to 6
+move 6 from 1 to 9
+move 4 from 5 to 3
+move 5 from 8 to 2
+move 6 from 6 to 3
+move 7 from 3 to 6
+move 1 from 3 to 4
+move 5 from 8 to 7
+move 5 from 2 to 6
+move 2 from 7 to 3
+move 3 from 7 to 3
+move 1 from 4 to 9
+move 9 from 6 to 9
+move 2 from 6 to 2
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+move 2 from 8 to 7
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+move 1 from 1 to 4
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+move 14 from 7 to 4
+move 1 from 5 to 6
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+move 31 from 9 to 1
+move 13 from 4 to 2
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+move 10 from 2 to 7
+move 1 from 3 to 4
+move 1 from 2 to 7
+move 3 from 7 to 8
+move 1 from 4 to 1
+move 3 from 8 to 5
+move 32 from 1 to 5
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+move 2 from 2 to 7
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+move 15 from 5 to 1
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+move 1 from 9 to 8
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+move 2 from 2 to 3
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+move 10 from 3 to 6
+move 1 from 3 to 7
+move 10 from 7 to 2
+move 2 from 5 to 3
+move 1 from 4 to 2
+move 2 from 6 to 8
+move 3 from 6 to 5
+move 1 from 6 to 1
+move 7 from 2 to 3
+move 6 from 8 to 7
+move 4 from 6 to 3
+move 14 from 8 to 6
+move 11 from 6 to 8
+move 1 from 1 to 4
+move 6 from 7 to 2
+move 3 from 5 to 8
+move 4 from 1 to 7
+move 1 from 2 to 8
+move 1 from 2 to 6
+move 1 from 3 to 4
+move 1 from 5 to 6
+move 7 from 8 to 6
+move 9 from 3 to 2
+move 1 from 8 to 5
diff --git a/2022/day05/src/main.rs b/2022/day05/src/main.rs
@@ -0,0 +1,56 @@
+use regex::Regex;
+use std::collections::VecDeque;
+
+fn main() {
+ let input_raw = std::fs::read_to_string("input.txt").unwrap();
+ let stacks_raw = input_raw.trim().split("\n\n").nth(0).unwrap();
+ let stack_count = (stacks_raw.split('\n').last().unwrap().len() + 1) / 4;
+ let re = Regex::new(r"[A-Z]").unwrap();
+ let stacks = {
+ let mut tmp = (0..stack_count)
+ .map(|_| VecDeque::new())
+ .collect::<Vec<VecDeque<char>>>();
+ for l in stacks_raw.split('\n').rev().skip(1) {
+ for m in re.find_iter(l) {
+ let i = (m.start() - 1) / 4;
+ tmp[i].push_back(l.chars().nth(m.start()).unwrap());
+ }
+ }
+ tmp
+ };
+ let re = Regex::new(r"^move ([0-9]+) from ([0-9]+) to ([0-9]+)$").unwrap();
+ let procedure = (*input_raw.trim().trim().split("\n\n").nth(1).unwrap())
+ .split('\n')
+ .map(|x| {
+ re.captures(x)
+ .unwrap()
+ .iter()
+ .skip(1)
+ .map(|c| c.unwrap().as_str().parse::<usize>().unwrap())
+ .collect()
+ })
+ .collect::<Vec<Vec<usize>>>();
+ // VWLCWGSDQ
+ println!("Part 1: {}", part_1(stacks.clone(), &procedure));
+ // TCGLQSLPW
+ println!("Part 2: {}", part_2(stacks.clone(), &procedure));
+}
+
+fn part_1(mut stacks: Vec<VecDeque<char>>, procedure: &Vec<Vec<usize>>) -> String {
+ for p in procedure {
+ for _ in 0..p[0] {
+ let c = stacks[p[1] - 1].pop_back().unwrap();
+ stacks[p[2] - 1].push_back(c);
+ }
+ }
+ stacks.iter().map(|s| s.back().unwrap()).collect()
+}
+
+fn part_2(mut stacks: Vec<VecDeque<char>>, procedure: &Vec<Vec<usize>>) -> String {
+ for p in procedure {
+ let ii = stacks[p[1] - 1].len() - p[0];
+ let mut cc = stacks[p[1] - 1].split_off(ii);
+ stacks[p[2] - 1].append(&mut cc);
+ }
+ stacks.iter().map(|s| s.back().unwrap()).collect()
+}