Array Basics: DSA Learning Path
Master array memory layout, indexing, and core operations
Every problem below runs in an in-browser editor with auto-judging and step-wise AI hints. Free, no signup needed to start.
Array Foundations
The basics you need before the Array Basics problems, explained from scratch
- Array Foundations Foundation
Array Fundamentals
Core array problems and techniques
- Two Sum Easy
- Contains Duplicate Easy
- Maximum Subarray Medium
- Two Sum II Easy
- Best Time to Buy and Sell Stock Easy
- Move All Zeros to End Easy
- Missing Number in Array Easy
- Product of Array Except Self Medium
- Majority Element easy
- Maximum Product Subarray medium