Watch tutorials and explanations by expert teachers that walk through solving this problem.
The Hustling Engineer
Shiran Afergan
Aryan Mittal
edSlash
codestorywithMIK
HackerEarth
TechError
Programming Live with Larry
Solve more problems to master this pattern
![LeetCode 319. Bulb Switcher - Math Trick Fully Explained [Coding Interview Question]](https://i.ytimg.com/vi/lyZhLR292yY/hq720.jpg?sqp=-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE=&rs=AOn4CLDUz3yzu8hMmqB_Mi80slJx4UtoUA)
