Code Viento

In this video, we solve Leetcode 202: Happy Number using the elegant Fast & Slow Pointer technique 🐢🐇.

We explore:
- What makes a number "happy"? 😊
- How to detect a cycle using pointers 🔁
- Why brute force fails and this approach shines ✨

📌 Perfect for beginners who want to master pattern-based thinking.

👀 Watch till the end for intuition, dry runs, and clean Java code!

#Leetcode202 #HappyNumber #FastAndSlowPointer #CycleDetection #CodingPatterns #DataStructures #JavaCoding #InterviewPrep

leetcodeleetcode 202leetcode 202 in javaleetcode 202 javaleetcode happy number javaleetcode happy number202 leetcode java202 leetcode202 leetcode in javaleetcode 202 solution202 leetcode solutionleetcode easy questionsleetcode easyleetcode easy in javaleetcode CodeVientoCodeVientoLeetCode 202 explainedfast and slow pointerstwo pointers leetcodetwo pointers