Trees — Practice Problems

13

Total

9

Solved

69%

Complete

5

Easy

6

Medium

2

Hard

All problems →← Back to Trees

easy · 5

#100Same Tree✓
easytree
Editorial Approach
#101Symmetric Tree✓
easytree
Editorial Approach
#104Maximum Depth of Binary Tree✓
easytree
Editorial Approach
#226Invert Binary Tree✓
easytree
Editorial Approach
#572Subtree of Another Tree✓
easytree
Editorial Approach

medium · 6

#98Validate Binary Search Tree○
mediumtree
#102Binary Tree Level Order Traversal✓
mediumtree
Editorial Approach
#103Binary Tree Zigzag Level Order Traversal✓
mediumtree
Editorial Approach
#110Balanced Binary Tree✓
mediumtree
Editorial Approach
#199Binary Tree Right Side View✓
mediumtree
Editorial Approach
#235Lowest Common Ancestor of BST○
mediumtree

hard · 2

#124Binary Tree Maximum Path Sum○
hardtree
#297Serialize and Deserialize Binary Tree○
hardtree