Hello, World! provides a comprehensive collection of Data Structures and Algorithms questions designed for coding interview preparation. The platform organizes over 1,300 problems by difficulty level, from easy beginner challenges to complex hard problems.

Each question comes with a clear difficulty rating system that helps developers progressively build their problem-solving skills. The problems cover fundamental computer science concepts, including arrays, strings, trees, graphs, dynamic programming, and advanced algorithms.

The collection mirrors popular coding interview formats, making it an ideal resource for software engineers preparing for technical interviews at major tech companies. Problems range from classic challenges like Two Sum and Binary Search to complex algorithmic puzzles involving advanced data structures.

📚 1300+ Algorithm Problems

Comprehensive collection covering all major DSA topics and difficulty levels

🎯 Interview-Focused Content

Problems designed specifically for technical interview preparation

📊 Clear Difficulty System

Easy, Medium, and Hard classifications for progressive learning

🔄 Classic Problem Patterns

Covers fundamental patterns like sliding window, two pointers, and dynamic programming

💻 Developer-Friendly Format

Clean, organized problem list with direct navigation to individual challenges

🚀 Complete Coverage

From basic array manipulation to complex graph algorithms and tree traversals

The platform eliminates the need to hunt for quality practice problems across multiple sources. Whether you're a new graduate preparing for your first technical interview or an experienced developer brushing up on algorithms, the organized structure helps you focus on learning rather than searching for suitable practice material.