Day1
commit
19d34d9263
GPG Key ID:
AF241B0AA237BBA2
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/target
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.idea/
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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"winapi-i686-pc-windows-gnu",
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"winapi-x86_64-pc-windows-gnu",
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name = "winapi-i686-pc-windows-gnu"
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name = "winapi-x86_64-pc-windows-gnu"
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@ -0,0 +1,10 @@
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[package]
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name = "aoc2021"
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version = "0.1.0"
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edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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clap = "2.34.0"
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chrono = "0.4.19"
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,5 @@
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pub trait Day {
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fn init(content: String) -> Self where Self: Sized;
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fn part1(&self) -> String;
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fn part2(&self) -> String;
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}
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@ -0,0 +1,71 @@
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use std::fs::read_to_string;
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#[derive(Eq, PartialEq, Ord, PartialOrd, Clone)]
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pub struct Day1(Vec<i32>);
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impl crate::day::Day for Day1 {
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fn init(f: String) -> Self {
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let v = f.split('\n').map(|x| x.parse::<i32>().unwrap()).collect::<Vec<i32>>();
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Self(v)
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}
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fn part1(&self) -> String {
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let (a, _) = self.0.iter().fold((0, -1), increments);
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format!("{}", a)
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}
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fn part2(&self) -> String {
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let ws = self.0.windows(3).map(|a| a.iter().fold(0, std::ops::Add::add)).collect::<Vec<i32>>();
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let (a, _) = ws.iter().fold((0, -1), increments);
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format!("{}", a)
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}
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}
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fn increments((a, b): (i32, i32), c: &i32) -> (i32, i32) {
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let c = *c;
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if b == -1 {
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(a, c)
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} else if c > b {
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(a + 1, c)
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} else {
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(a, c)
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}
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}
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#[cfg(test)]
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pub mod tests {
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use std::fs::read_to_string;
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use super::Day1;
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use crate::day::Day;
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#[test]
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pub fn part1_real() {
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let f = read_to_string("./input/day1").expect("Could not load input");
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let d = Day1::init(f);
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assert_eq!("1466", d.part1())
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}
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#[test]
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pub fn part2_real() {
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let f = read_to_string("./input/day1").expect("Could not load input");
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let d = Day1::init(f);
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assert_eq!("1491", d.part2())
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}
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#[test]
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pub fn part1_test() {
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let v = vec![199, 200, 208, 210, 200, 207, 240, 269, 260, 263];
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let strs = v.iter().map(i32::to_string).collect::<Vec<String>>().join("\n");
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let d = Day1::init(strs);
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assert_eq!("7", d.part1())
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}
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#[test]
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pub fn part2_test() {
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let v = vec![199, 200, 208, 210, 200, 207, 240, 269, 260, 263];
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let strs = v.iter().map(i32::to_string).collect::<Vec<String>>().join("\n");
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let d = Day1::init(strs);
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assert_eq!("5", d.part2())
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}
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}
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@ -0,0 +1,62 @@
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use std::fs::read_to_string;
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use std::time::SystemTime;
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use chrono::Datelike;
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use clap::{App, Arg, SubCommand};
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use crate::day1::Day1;
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use crate::day::Day;
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mod day;
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mod day1;
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fn load_input(day: &str) -> String {
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read_to_string(format!("./input/day{}", day)).expect("Could not load input")
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}
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fn run_day(days: &Vec<Box<dyn Day>>, day: usize) {
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if let Some(d) = days.get(day - 1) {
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let day_code = d.clone();
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println!("Running day {}!", day);
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println!("\tPart 1: {}", d.part1());
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println!("\tPart 2: {}", day_code.part2());
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} else {
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eprintln!("Day {} is not available!", day);
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}
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}
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fn main() {
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let matches = App::new("AOC Time!")
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.version("1.0")
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.author("J00LZ")
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.about("How to overengineer AOC in a single program...")
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.arg(Arg::with_name("v")
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.short("v")
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.multiple(true)
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.help("Sets the level of verbosity"))
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.arg(Arg::with_name("all")
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.short("a")
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.long("all")
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.help("run all available days"))
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.arg(Arg::with_name("DAY")
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.takes_value(true)
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.multiple(true))
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.get_matches();
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let days: Vec<Box<dyn Day>> = vec![Box::new(Day1::init(load_input("1")))];
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let verbosity = matches.occurrences_of("v");
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if matches.is_present("all") {
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let l = days.len();
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println!("running {} days!", l);
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for v in 1..l + 1 {
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run_day(&days, v);
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}
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} else if let Some(d) = matches.values_of("DAY") {
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let d = d.map(|x| x.parse::<i32>().expect("Did not provide an int!"));
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for v in d {
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run_day(&days, v as usize);
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}
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} else {
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||||
let v = chrono::Local::now().day();
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run_day(&days, v as usize)
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}
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}
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