Data Structures

Master the fundamental building blocks of efficient algorithms.

Linked List Connector

Drag the nodes into place, connect the pointers, and restore the chain from 1 to 2 to 3 to 4.

Arrays & Strings

Static vs DynamicTwo Pointers

Linked Lists

Singly vs DoublyFast & Slow Pointers

Hashing

Hash Tables

Trees

Binary Search TreeTree Traversals

Graphs

BFS vs. DFS

Exercises

Linked List Connector