Tree Interview Questions
Master 25 tree problems frequently asked in technical interviews. These questions test your understanding of treeconcepts and are essential for coding interview success.
25
Total Problems
5
Easy
18
Medium
2
Hard
#314MediumFrequency: 97%
Binary Tree Vertical Order Traversal
#1
Rank
#1790MediumFrequency: 91%
Lowest Common Ancestor of a Binary Tree III
#2
Rank
#3
Rank
#998MediumFrequency: 87%
Check Completeness of a Binary Tree
#4
Rank
#366MediumFrequency: 84%
Find Leaves of Binary Tree
#5
Rank
#124HardFrequency: 84%
Binary Tree Maximum Path Sum
#6
Rank
#7
Rank
#104EasyFrequency: 80%
Maximum Depth of Binary Tree
#8
Rank
#236MediumFrequency: 79%
Lowest Common Ancestor of a Binary Tree
#9
Rank
#109MediumFrequency: 79%
Convert Sorted List to Binary Search Tree
#10
Rank
#199MediumFrequency: 76%
Binary Tree Right Side View
#11
Rank
#173MediumFrequency: 75%
Binary Search Tree Iterator
#12
Rank
#13
Rank
#975EasyFrequency: 73%
Range Sum of BST
#14
Rank
#235MediumFrequency: 72%
Lowest Common Ancestor of a Binary Search Tree
#15
Rank
#1029HardFrequency: 69%
Vertical Order Traversal of a Binary Tree
#16
Rank
#758MediumFrequency: 64%
Convert Binary Search Tree to Sorted Doubly Linked List
#17
Rank
#893MediumFrequency: 64%
All Nodes Distance K in Binary Tree
#18
Rank
#270EasyFrequency: 62%
Closest Binary Search Tree Value
#19
Rank
#114MediumFrequency: 53%
Flatten Binary Tree to Linked List
#20
Rank
#116MediumFrequency: 51%
Populating Next Right Pointers in Each Node
#21
Rank
#22
Rank
#100EasyFrequency: 44%
Same Tree
#23
Rank
#230MediumFrequency: 37%
Kth Smallest Element in a BST
#24
Rank
#103MediumFrequency: 36%
Binary Tree Zigzag Level Order Traversal
#25
Rank
Master Tree in Real Interviews
Get AI-powered assistance when solving tree problems during your actual interviews.
Get Started FreeNo credit card required