Arrays

Learn how the Sliding Window pattern optimizes solutions to problems involving subarrays or substrings. This post explains the concept, gives a practical example with Java code, and compares brute force vs. optimized approaches, complete with Big O analysis.

The Two Pointers pattern optimizes solutions to problems involving sorted arrays, pairs, or partitioning. Learn how to implement it in Java with a practical example, comparing brute force vs. optimized approaches, and understand the Big O analysis.