Fast & Slow Pointers vs Two Pointers vs Sliding Window
In this post I compare Fast & Slow Pointers, Two Pointers, and Sliding Window patterns: how each pattern works, how pointers move, their key differences, and how to recognize which approach to use in LeetCode problems and coding interviews.
Read moreSliding Window pattern: types, examples, and LeetCode problems
The Sliding Window pattern is one of the most common techniques for solving array and string problems involving contiguous ranges. This section covers fixed-size and variable-size windows, common variations, recognition rules, and practical examples from LeetCode.
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