CodeBox: DSA & Coding Practice

Learn Data Structures & Algorithms (DSA), practice coding problems in C and Java, and prepare for coding interviews and campus placements — all in one app. CodeBox gives you topic-wise DSA solutions, clean code with syntax highlighting, and step-by-step visualizations so you understand every algorithm, not just memorize it. WHAT YOU'LL LEARN • Data Structures: Arrays, Strings, Linked List, Stack, Queue, Trees, Graphs, Heaps, Hashing • Algorithms: Sorting, Searching, Recursion, Backtracking, Greedy, Dynamic Programming • Coding Patterns: Two Pointers, Sliding Window, Prefix Sum, Binary Search, BFS/DFS • Languages: C programming and Java programming with clear, commented code KEY FEATURES • Topic-wise solutions – find any problem in seconds, organized by topic and difficulty • Code visualizations – see how an algorithm works step by step • Colorful code viewer – syntax-highlighted code that's easy to read on your phone • 30-Day Coding Challenge – one problem a day to build a daily coding habit • System Design basics – load balancing, caching, databases and scaling explained visually • Interview tips – common questions and patterns asked in tech interviews WHO IS CODEBOX FOR? • Students preparing for campus placements and internships • Developers preparing for coding interviews at product companies • Beginners learning C, Java and DSA from scratch • Anyone who wants quick revision of algorithms and programming concepts WHY CODEBOX? Most coding practice apps just list problems. CodeBox explains the pattern behind each one, so you can solve new problems on your own. Short lessons, clean code and daily practice help you learn DSA faster and stay consistent. Start your coding interview preparation today. Download CodeBox and practice DSA, C and Java — one problem at a time.