LeetCode Cheat Sheet

Quick reference for common data structures and algorithms used in LeetCode problems.

Languages

This cheat sheet provides implementations in:

• Go (Primary)
• Rust
• Python
• JavaScript

Your language preference is automatically remembered.

Topics

Reference

• Big O Complexity

Data Structures

• Array

Algorithms

(Coming soon)

Code Format

Code examples are template-like with descriptive comments for complete implementations. Use these as starting points and adapt to specific problem requirements.

How to Use

1. Browse topics by category (Data Structures, Algorithms)
2. Click on language tabs to see implementations in your preferred language
3. Your language choice is automatically saved for future visits
4. Copy code examples using the copy button that appears on hover

Coming Soon

• Linked List
• Stack
• HashMap
• Two Pointers (Algorithms)
• Sliding Window (Algorithms)
• Binary Search
• Dynamic Programming
• Graph Algorithms
• And more!