Learn C++: Coding & Interview

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Learn C++ from absolute zero to advanced — and get fully interview-ready. This comprehensive C++ programming app combines a structured coding course, an offline C++ compiler / code editor simulator, and interactive data structures practice. No login, no account, and no internet needed. Install and start coding.

📚 COMPLETE C++ COURSE — 220+ LESSONS
Structured into 17 technical sections that take you from your first "Hello, World" to expert-level modern C++ programming:

• C++ Fundamentals — variables, pointers, references, arrays, strings
• Control Flow & Operators — conditionals, loops, bitwise operators
• Functions — overloading, default arguments, recursion
• Object-Oriented Programming (OOP) — classes, inheritance, polymorphism, virtual functions & vtables
• Memory & Resources — smart pointers, move semantics, RAII
• Templates & Generics — type traits, constexpr, C++20 concepts, lambdas
• STL Deep Dive — containers, iterators, algorithms, ranges
• Error Handling — exceptions, std::expected, undefined behavior
• Concurrency — multithreading, coroutines, atomics & the memory model
• Modern C++ — C++17, C++20 and C++23 features explained
• Performance — cache locality, copy elision, profiling, compiler optimizations
• Systems Programming — bit manipulation, memory layout, interfacing with C
• Tooling — design patterns, testing, debugging, CMake, linking & ABI

Every lesson includes clear explanations, real C++ code examples with syntax highlighting, and key points to remember.

💼 CRACK CODING INTERVIEWS & PLACEMENTS
Practice 196 real technical interview problems, every single one paired with a complete C++ solution:

• Problems on Numbers, Strings, Arrays, Matrices
• Data Structures & Algorithms (DSA): Stacks, Queues, Trees, Linked Lists
• Logic building pattern printing problems
• Real coding questions asked at Google, Amazon, Microsoft, and Oracle

🧠 QUIZ ARENA & MOCK TESTS
Test yourself with programming quizzes across 18 C++ topics. Track your syntax mistakes, flag weak areas, and retry them until you master every core concept.

📊 ALGORITHM VISUALIZER
Watch algorithms come alive with interactive step-by-step animations: sorting (bubble, quick, merge, heap, and more), binary search, trees, graphs, stacks, and queues.

🔥 STAY MOTIVATED
• Daily streaks and reading goals
• Progress tracking on every course card
• Daily programming challenges
• Bookmarks for quick revision
• Resume exactly where you left off

✈️ 100% OFFLINE, PRIVACY FIRST
• No login, no sign-up, no account creation
• All study material stored directly on your device
• Learn on the metro, on a flight, or anywhere without mobile data
• Dark mode for late-night study sessions

📌 WHO IS THIS APP FOR?
• Complete beginners writing their first line of code
• Students preparing for computer science exams and campus placements
• Developers switching to C++ from another language
• Anyone preparing for technical interviews at top tech companies
• Competitive programmers sharpening their coding fundamentals

Start your C++ journey today. Zero to advanced, one lesson at a time.

Nouveautés

🎯 190+ interview coding problems, each with a CPP solution
🖼️ New visual diagrams across lessons to explain concepts faster
📘 Redesigned lessons — Theory, Core Mechanics, Pitfalls & Quick Summary
🧠 840+ quiz questions with answer explanations
✨ Cleaner reading experience and tighter layouts