62 lines
1.6 KiB
Rust
62 lines
1.6 KiB
Rust
#![feature(is_sorted)]
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#![feature(option_flattening)]
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#[macro_use]
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extern crate clap;
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use clap::{Arg, App};
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use std::fs::File;
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use std::io::BufReader;
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mod day1;
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mod day2;
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mod day3;
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mod day4;
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mod day5;
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mod day6;
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mod intcode;
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fn main() {
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let matches = App::new("Advent of Code 2019")
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.version("0.1")
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.arg(Arg::with_name("challenge")
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.short("c")
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.long("challenge")
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.value_name("CHALLENGE")
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.help("Challenge id from 1 (1st day, 1st part) to 50 (25th day, 2nd part).")
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.required(true)
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.takes_value(true)
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.min_values(1)
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.max_values(50))
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.arg(Arg::with_name("input")
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.short("i")
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.long("input")
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.value_name("INPUT")
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.help("Input file, ex `input/day1`.")
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.required(true)
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.takes_value(true))
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.get_matches();
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let input = matches.value_of("input").unwrap();
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let challenge = value_t!(matches, "challenge", usize).unwrap() - 1;
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let input_file = File::open(input).expect("Unable to open input file");
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let reader = BufReader::new(input_file);
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let challenges = [
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day1::part1, day1::part2,
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day2::part1, day2::part2,
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day3::part1, day3::part2,
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day4::part1, day4::part2,
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day5::part1, day5::part1,
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day6::part1, day6::part2,
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];
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if let Some(f) = challenges.get(challenge) {
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println!("Running day {}, part {}", challenge / 2 + 1, challenge % 2 +1);
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f(reader);
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} else {
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println!("Challenge {}, part {} not unimplemented", challenge / 2 + 1, challenge % 2 + 1)
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}
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}
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