LeetCode 258 Add Digits | O(1) Math Trick 🔥 Explained Step by Step
Автор: Oops
Загружено: 2025-12-17
Просмотров: 6
Struggling with LeetCode 258 – Add Digits?
In this video, I explain the problem from scratch, break every step clearly, and then reveal the O(1) mathematical trick that interviewers LOVE 🔥
💡 You’ll learn:
How to solve Add Digits using a simple loop (beginner friendly)
Why the digital root concept works
How to convert the solution into O(1) time complexity
Common mistakes students make in interviews
🚀 This explanation is perfect for:
LeetCode beginners
FAANG interview preparation
Students learning DSA in Java / Python / C++
📌 After watching this video, you’ll NEVER forget this problem.
🔔 Subscribe for clear, no-nonsense LeetCode explanations
👍 Like the video if it helped
💬 Comment if you want more math-based tricks
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