98 lines
2.5 KiB
Rust
98 lines
2.5 KiB
Rust
#![feature(iterator_fold_self)]
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#![feature(assoc_char_funcs)]
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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 day7;
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mod day8;
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mod day9;
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mod day10;
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mod day11;
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mod day12;
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mod day13;
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mod day14;
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mod day14part2;
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mod day15;
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mod day16;
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mod day17;
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mod day18;
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mod day19;
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mod day20;
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mod day21;
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mod day22;
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mod day23;
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mod day24;
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mod day25;
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fn main() {
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let matches = App::new("Advent of Code 2020")
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.version("0.1")
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.arg(Arg::new("challenge")
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.short('c')
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.long("challenge")
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.value_name("CHALLENGE")
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.about("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::new("input")
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.short('i')
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.long("input")
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.value_name("INPUT")
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.about("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 = matches.value_of_t::<usize>("challenge").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::part2,
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day6::part1, day6::part2,
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day7::part1, day7::part2,
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day8::part1, day8::part2,
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day9::part1, day9::part2,
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day10::part1, day10::part2,
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day11::part1, day11::part2,
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day12::part1, day12::part2,
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day13::part1, day13::part2,
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day14::part1, day14part2::part2,
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day15::part1, day15::part2,
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day16::part1, day16::part2,
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day17::part1, day17::part2,
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day18::part1, day18::part2,
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day19::part1, day19::part2,
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day20::part1, day20::part2,
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day21::part1, day21::part2,
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day22::part1, day22::part2,
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day23::part1, day23::part2,
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day24::part1, day24::part2,
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day25::part1, day25::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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