LeetCode 136 Single Number | XOR Trick Explained

In this video, we solve LeetCode 136: Single Number using a powerful XOR Bit Manipulation Trick. What you’ll learn: Problem explanation with example Why hashmap is not optimal XOR properties explained Step-by-step dry run Binary understanding (bonus) Optimized code solution Code Language: C++ Key Concept: Bit manipulation using XOR 👉 Must-know trick for coding interviews!