Roadmap/Binary Trees

5 subtopics · 31 problems

Binary Trees

Work through 5 subtopics covering 31 problems, ordered from foundational to advanced.

31Total problems

0Solved

0Attempted

0%Completion

Introduction to Binary Trees (Learn)

Trees · Binary Tree

Easy

15m

Binary Tree Representation

Trees · Recursion

Easy

15m

Preorder Traversal

Trees · DFS · Recursion

Easy

10m

Inorder Traversal

Trees · DFS · Recursion

Easy

10m

Postorder Traversal

Trees · DFS · Recursion

Easy

10m

Level Order Traversal

+1

Trees · BFS · Queue

Medium

20m

Height of a Binary Tree

Trees · Recursion · DFS

Easy

15m

Balanced Binary Tree

Trees · Recursion · DFS

Easy

20m

Diameter of Binary Tree

Trees · Recursion · DFS

Easy

20m

Maximum Path Sum of a Binary Tree

Trees · Recursion · DFS

Hard

35m

Identical Binary Trees

Trees · Recursion · DFS

Easy

10m

Symmetric Binary Tree

Trees · Recursion · DFS

Easy

15m

Maximum Width of a Binary Tree

Trees · BFS · Queue

Medium

25m

Children Sum Property In Binary Tree

Trees · Recursion · DFS

Easy

15m

Zig-Zag Level Order Traversal

Trees · BFS · Queue

Medium

25m

Boundary Traversal of Binary Tree

Trees · DFS · Recursion

Medium

30m

Vertical Order Traversal of Binary Tree

Trees · BFS · Hashing

Hard

35m

Top View of a Binary Tree

Trees · BFS · Hashing

Medium

25m

Bottom View of a Binary Tree

Trees · BFS · Hashing

Medium

25m

Right View of Binary Tree

Trees · DFS · BFS

Medium

20m

Left View of Binary Tree

Trees · DFS · BFS

Medium

20m

Binary Tree Paths

Trees · DFS · Recursion

Easy

15m

Lowest Common Ancestor of a Binary Tree

+1

Trees · DFS · Recursion

Medium

25m

All Nodes Distance X in Binary Tree

Trees · Graph · BFS

Medium

30m

Minimum Time to Spread Virus in a Network

Trees · BFS · Graph

Medium

30m

Total Number of Family Members

Trees · DFS · Recursion

Easy

15m

Unique Tree from Traversals

Trees · Recursion · DFS

Hard

35m

Preorder Inorder Tree Build

Trees · Recursion · DFS

Hard

35m

Inorder Postorder Tree Build

Trees · Recursion · DFS

Hard

35m

Tree Serialization and Deserialization

+1

Trees · DFS · BFS

Hard

40m

Flattening a Binary Tree into a Right-Skewed List

Trees · Recursion · DFS

Medium

25m