Heap Structures

Heap Structures is an independent study app for learning, reviewing, and practicing priority queues, binary heaps, heap operations, complexity, invariants, implementation details, and common mistakes. Built for students, interview prep, self-taught developers, and anyone who wants focused practice on heap-based data structures. Features: - 160 practice questions across Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts - Every question includes an explanation - Spaced-repetition review using FSRS-style intervals - Weak-point heatmap to spot topics that need more work - Daily challenge for consistent practice - Mock exams for timed review - Offline practice, no login required Use the app to review core ideas, test implementation knowledge, catch edge-case errors, and build confidence before coursework, interviews, or independent study sessions. Practice offline, no login required. Independent study app for Heap Structures practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners.