Watch tutorials and explanations by expert teachers that walk through solving this problem.
NeetCodeIO
Nikhil Lohia
Amell Peralta
Timothy H Chang
Cracking FAANG
Programming Live with Larry
babybear4812
Deepti Talesra
Solve more problems to master this pattern
![Coding Interview Tutorial 138 - Count Complete Tree Nodes [LeetCode]](https://i.ytimg.com/vi/8BPKe6N8xdk/hq720.jpg?sqp=-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE=&rs=AOn4CLAcvzZ6QZcI0qt2hFalf3T61j6cPw)
