Stacks & Queues
Stacks and queues are fundamental data structures that provide specific ordering and access patterns essential for many algorithms.
Learning Map
Prerequisites
What's in scope
- Stack Applications: Expression evaluation, parentheses matching, monotonic stack, and histogram problems
- Queue Applications: BFS implementation, sliding window maximum, task scheduling, and level-order traversal
- Deque & Priority Queue: Double-ended operations, heap implementation, top K problems, and task prioritization
How to use this section
- Start with Stack Applications to understand stack-based algorithms
- Learn Queue Applications for BFS and scheduling problems
- Master Deque & Priority Queue for advanced operations
📄️ Deque & Priority Queue
Advanced queue data structures for specialized applications and optimizations.
📄️ Queue Applications
Essential applications of queue data structure for solving various algorithmic problems.
📄️ Stack Applications
Essential applications of stack data structure for solving various algorithmic problems.