Roadmap DSA Tracker Code Editor Tech Blogs

Loading question...

The ultimate platform to master JavaScript interviews. Comprehensive questions, interactive practice, and detailed explanations.

Explore

Home
Practice Arena
Browse Topics
All Questions

Resources

Learning Roadmap
Cheatsheets
Tech Blog
Community

Stay Updated

Get the latest interview questions and tips delivered to your inbox.

Join 5,000+ developers

© 2026 JS Interview Prep. Made withby developers.

Privacy Terms Cookies

Buy Me A Coffee

Single Number II

Medium

00:00

0 users online

Given an array where every element appears three times except one, find the single element.

Sample Input:

[2,2,3,2]

Sample Output:

Hints

Hint 1

Use bitwise operations to track bit counts

Hint 2

Count bits at each position modulo 3

Hint 3

Reconstruct the single number from bit counts

Code Editor

Loading...