LeetCode 3445 | Maximum Difference Between Even and Odd Frequency II | Sliding Window + Fenwick Tree

In this video we solve Leetcode 3445: Maximum Difference Between Even and Odd Frequency II (Hard). We break down the problem statement, explain example test cases step by step and walk through an optimized solution using Fenwick Tree and Sliding Window. 🔹 Topics Covered: ✅ Understanding the problem statement & constraints ✅ Breaking down example test cases in detail ✅ Brute force & optimized approaches (O(n log n) using Fenwick Tree) ✅ Code walkthrough & time complexity analysis 💡 If you find this video helpful, don't forget to LIKE 👍, SUBSCRIBE 🔔, and SHARE for more coding tutorials! 🔗 Code Implementation: https://codebeautify.org/alleditor/y258819aa 🔗 Leetcode Problem: https://leetcode.com/contest/weekly-contest-435/problems/maximum-difference-between-even-and-odd-frequency-ii/ #Leetcode #CompetitiveProgramming #CodingInterview #DataStructures #Algorithms #CPlusPlus #SlidingWindow #FenwickTree #CodingChallenges #LCcontest