24 lines
600 B
Rust
24 lines
600 B
Rust
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use aoc_runner_derive::{aoc as aoc_run, aoc_generator};
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use std::collections::HashSet;
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type Beep = HashSet<char>;
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#[aoc_generator(day6)]
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fn parse_input_day1(input: &str) -> String {
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input.to_string()
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}
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#[aoc_run(day6, part1)]
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fn part1(input: &str) -> usize {
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let input = input.trim();
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let mut out = 4;
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for (i, c) in input.as_bytes().windows(4).enumerate() {
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let window = Beep::from_iter(c.iter().map(|c| *c as char));
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out = i + 4;
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dbg!(i, std::str::from_utf8(c).unwrap(), &window);
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if window.len() == 4 {
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break;
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}
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}
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out
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}
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