LeetCode 202 - Happy Number Explained in C++ 🚀

🔥 In this video, we solve LeetCode 202 - Happy Number using an easy and optimized approach in C++. 📌 You’ll learn: What a Happy Number is Step-by-step dry run How cycle detection works Optimized C++ solution Time & Space Complexity 💡 Problem Summary: A number is called a Happy Number if repeatedly replacing it with the sum of squares of its digits eventually reaches 1. If it loops forever, it is not a happy number. 🚀 Perfect for: Beginners learning DSA LeetCode practice Coding interview preparation Understanding HashSet & math logic 👍 If this helped you, don’t forget to: Like ❤️ Subscribe 🔔 Share with friends 🚀 #leetcode #cpp #dsa #codinginterview #happynumber #leetcode202 #cplusplus #programming #hashset 🔗 Connect with me: 🐦 X: x.com/hettttx13 💼 LinkedIn: linkedin.com/in/het-rathod-a6203839b 📘 SoloLearn: sololearn.com/profile/35545255 💻 GitHub: github.com/Het510 🧠 LeetCode: leetcode.com/u/Het510