K Queues in One Array 🚀 GFG POTD Hard Problem | Data Structures Interview Question скачать в хорошем качестве

K Queues in One Array 🚀 GFG POTD Hard Problem | Data Structures Interview Question

🚀 Today’s GeeksforGeeks Problem of the Day (GFG POTD) is a HARD Data Structures question that is frequently asked in coding interviews! 🧠 Problem: Implement K Queues in a Single Array We are given n slots and need to efficiently manage k independent queues inside just one array — while supporting: ✔️ enqueue(x, i) ✔️ dequeue(i) ✔️ isEmpty(i) ✔️ isFull() And the best part? We must achieve O(1) time complexity for all operations 😮 💡 What You’ll Learn in This Video ✅ How to manage multiple queues using a single array ✅ Smart use of next array + free list ✅ Avoiding overflow while sharing memory ✅ Queue implementation trick asked in product-based companies ✅ Step-by-step dry run for full clarity This problem strengthens your understanding of: Data Structures Queue Design Memory Optimization Interview Problem Solving 🏆 Why This Problem is Important This is a classic space-optimized data structure design problem that tests: ✔️ Pointer/index management ✔️ Efficient memory usage ✔️ Real interview-level logic #GFGPOTD #DSA #CodingInterview #DataStructures #GeeksforGeeks #PlacementPreparation #HardProblem