Top Algorithmic Patterns Demystified
- Sliding Window: Optimal for contiguous subarray/substring problems seeking min/max length. - Two Pointers: Ideal for sorted arrays, palindrome verification, and target pair sums. - Fast & Slow Pointers (Floyd's Cycle): Cycle detection in linked lists and array sequences. - Monotonic Stack: Next Greater Element, Daily Temperatures, and histogram areas. - Top K Elements (Heaps): Finding largest/smallest K items in streaming data.