Wiggle Sort II | LeetCode 324 | Best Intuition + Optimal Solution (O(n) Approach Explained)

Master LeetCode 324 – Wiggle Sort II with a clear, beginner-friendly explanation + the most optimal solution!
This problem looks tricky, but once you understand the pattern behind the “Wiggle” arrangement, it becomes surprisingly simple.

In this video, you will learn:
🔹 What wiggle order really means
🔹 Why the naive sorting method fails
🔹 How to apply virtual indexing to separate smaller and larger halves
🔹 How three-way partitioning creates the perfect zig-zag pattern
🔹 A complete intuition + dry run so you understand the concept deeply
🔹 Time complexity O(n), Space O(1) approach used in top interview solutions

This is one of the most asked problems in FAANG interviews, and this tutorial explains it in the simplest and clearest way.

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