LC 1242 vibes (web crawler) but with focus on visited set tradeoff: HashSet vs Bloom filter. bloom: false pos ok (miss a page = fine). false neg no good. discuss hash count + bit array sizing. they asked me to derive false pos rate formula. forgot it lol. interviewer walked through it.

Snowflake - bloom filter crawler

LC 1242 vibes (web crawler) but with focus on visited set tradeoff: HashSet vs Bloom filter.