27 lines
763 B
TypeScript
27 lines
763 B
TypeScript
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function attempt(towels: string[], pattern: string): boolean {
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if (pattern == "") return true;
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let anySucceeded = false;
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for (const towel of towels) {
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if (pattern.startsWith(towel)) {
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anySucceeded = anySucceeded || attempt(towels, pattern.substring(towel.length));
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}
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}
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return anySucceeded;
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}
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export async function solve() {
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const [towels, patterns] = await Deno.readTextFile(
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import.meta.dirname + "/input.txt",
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).then(
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(c) => [c.split("\n\n")[0].trim().split(", "), c.split("\n\n")[1].trim().split("\n")]
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);
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towels.sort((a, b) => b.length - a.length);
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let sum = 0;
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for (const pattern of patterns) {
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if (attempt(towels, pattern)) sum++;
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}
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return sum
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}
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