46 Zeilen
1,4 KiB
Rust
46 Zeilen
1,4 KiB
Rust
use advent_of_code::strings::convert_to_array;
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use advent_of_code_macros::include_aoc;
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include_aoc!(2024, 19);
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fn test_pattern(pattern: String, parts: Vec<String>) -> bool {
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false
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}
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fn main() {
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let (patterndata, designdata) = DATA.split_once("\n\n").unwrap();
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let mut designs = convert_to_array::<_, _, '\n'>(designdata, str::to_string);
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let patterns = convert_to_array::<_, _, ','>(patterndata, str::to_string);
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designs.sort();
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let mut possible = 0;
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for design in designs {
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let mut candidates = vec![design];
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'designloop: loop {
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let mut new = Vec::with_capacity(candidates.len());
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for possibility in candidates {
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for part in patterns.clone() {
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if possibility.starts_with(part.as_str()) {
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if possibility.len() == part.len() {
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println!("Found design");
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possible += 1;
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break 'designloop;
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}
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new.push(possibility[part.len()..].to_owned());
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}
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}
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}
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new.sort();
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new.dedup();
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candidates = new;
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if candidates.len() == 0 {
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break;
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}
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}
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}
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println!("There are {} possible designs", possible);
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}
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#[cfg(test)]
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mod test {
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use super::*;
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}
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