Leetcode 2506. Count Pairs Of Similar Strings

Count the number of pairs of words that contain exactly the same set of unique characters (order and frequency don't matter). Group words by their character-set signature (e.g., set or bitmask) and sum the pair counts for equal signatures.

Question Timeline

See when this question was last asked and where, including any notes left by other candidates.

Company

Level

Region

Comments

Your account is free and you can post anonymously if you choose.

Hello Interview Premium

Recent interview questions

System Design Guided Practice

Exclusive content

Learn More

Leetcode 2506. Count Pairs Of Similar Strings

Question Timeline

Comments

Questions

Learn

Links

Legal

Contact