From 174772b5b8d9f5bf5e3c8e8152adfd89f0e83f6b Mon Sep 17 00:00:00 2001 From: Justin Wernick Date: Tue, 19 Apr 2022 20:22:56 +0200 Subject: Refile for merging repos --- aoc15/Cargo.lock | 98 ------------------------------------------------------- aoc15/Cargo.toml | 7 ---- aoc15/input.txt | 7 ---- aoc15/src/main.rs | 35 -------------------- 4 files changed, 147 deletions(-) delete mode 100644 aoc15/Cargo.lock delete mode 100644 aoc15/Cargo.toml delete mode 100644 aoc15/input.txt delete mode 100644 aoc15/src/main.rs (limited to 'aoc15') diff --git a/aoc15/Cargo.lock b/aoc15/Cargo.lock deleted file mode 100644 index 38f1d9c..0000000 --- a/aoc15/Cargo.lock +++ /dev/null @@ -1,98 +0,0 @@ -[root] -name = "aoc15" -version = "0.1.0" -dependencies = [ - "regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)", -] - -[[package]] -name = "aho-corasick" -version = "0.5.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -dependencies = [ - "memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)", -] - 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-[dependencies] -regex = "0.1" \ No newline at end of file diff --git a/aoc15/input.txt b/aoc15/input.txt deleted file mode 100644 index c4cf544..0000000 --- a/aoc15/input.txt +++ /dev/null @@ -1,7 +0,0 @@ -Disc #1 has 17 positions; at time=0, it is at position 5. -Disc #2 has 19 positions; at time=0, it is at position 8. -Disc #3 has 7 positions; at time=0, it is at position 1. -Disc #4 has 13 positions; at time=0, it is at position 7. -Disc #5 has 5 positions; at time=0, it is at position 1. -Disc #6 has 3 positions; at time=0, it is at position 0. -Disc #7 has 11 positions; at time=0, it is at position 0. diff --git a/aoc15/src/main.rs b/aoc15/src/main.rs deleted file mode 100644 index a7f0f64..0000000 --- a/aoc15/src/main.rs +++ /dev/null @@ -1,35 +0,0 @@ -extern crate regex; - -use regex::Regex; -use std::io::BufReader; -use std::io::prelude::*; -use std::fs::File; - - -fn main() { - let gears = read_file(); - let pass = (0..).find(|&i| can_pass(&gears, i)).expect("Reached end of infinite range without finding output"); - println!("First pass at t={}", pass); -} - -fn can_pass(gears: &Vec<(i32, i32, i32)>, time: i32) -> bool { - gears.iter().all(|&(time_offset, init_pos, gear_size)| (init_pos + time_offset + time) % gear_size == 0) -} - -fn read_file() -> Vec<(i32, i32, i32)> { - let file = BufReader::new(File::open("input.txt").unwrap()); - let line_regex = Regex::new(r"Disc #(\d+) has (\d+) positions; at time=0, it is at position (\d+).").unwrap(); - file.lines() - .filter_map(|line| { - line_regex.captures(line.unwrap().as_ref()).and_then(|cap| { - let time_offset = cap.at(1).and_then(|s| s.parse::().ok()); - let init_pos = cap.at(3).and_then(|s| s.parse::().ok()); - let gear_size = cap.at(2).and_then(|s| s.parse::().ok()); - match (time_offset, init_pos, gear_size) { - (Some(a), Some(b), Some(c)) => Some((a,b,c)), - _ => None - } - }) - }) - .collect() -} -- cgit v1.2.3