Number Reduction Problem Explained | LeetCode 1342

In this video, we solve LeetCode 1342 – “Number of Steps to Reduce a Number to Zero” step by step.

You’ll learn:

* How to check even and odd numbers
* Efficient looping logic
* Simple math and bit manipulation intuition
* Beginner-friendly problem-solving approach

Problem:
Given an integer num, return the number of steps to reduce it to zero.

Rules:

* If the current number is even, divide it by 2
* If the current number is odd, subtract 1

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⏱ Time Complexity: O(log n)
💾 Space Complexity: O(1)

💡 Key Concept:

* Even → divide by 2
* Odd → subtract 1

Repeat until the number becomes 0.

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This is a beginner-friendly math and simulation problem commonly used to build coding fundamentals.

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🔗 Connect with me:
LinkedIn: https://www.linkedin.com/in/dashrat-rajpurohit/
X (Twitter): https://x.com/Dashrat_Singh_
GitHub: https://github.com/DashratRajpurohit

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If you're preparing for DSA or coding interviews, mastering basic logic-building problems is important.

#leetcode #math #bitmanipulation #beginners #dsa

Видео Number Reduction Problem Explained | LeetCode 1342 канала Dashrat Singh