Скачать или смотреть Missing Number | LeetCode

Github:-https://github.com/dearnidhi/Masterin...

🎓 In this video, we’ll solve LeetCode Problem #268 — Missing Number — using Python and understand the logic step-by-step.

We’ll discuss:
✅ What the question is asking
✅ The mathematical formula approach
✅ How to use List[int] typing
✅ Step-by-step dry run and code explanation
✅ Time and Space Complexity
✅ Why this is an important Array problem in DSA

💡 Concept Used:

Array Basics

Summation Formula (n * (n + 1) // 2)

Difference Method

📘 Problem Link:
🔗 https://leetcode.com/problems/missing...

🎯 What You’ll Learn:

How to approach array-based questions

Formula-based optimization

Importance of mathematical reasoning in coding interviews

🚀 Perfect for: Beginners learning DSA & LeetCode

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