This Simple Array Question Breaks Most Coders💥Only Pros Solve This Array Problem Correctly 🚀
Автор: Code with Bikash
Загружено: 2026-01-06
Просмотров: 6
🚀 First Missing Positive | O(n) Time & O(1) Space Explained
Most coders try sorting… and fail ❌
In this video, you’ll learn the smartest in-place array trick to solve the First Missing Positive problem in O(n) time and constant space.
🔥 What you’ll learn:
Why sorting is NOT the optimal solution
The hidden index-mapping trick
How to handle negative numbers & duplicates
A clean step-by-step explanation
Interview-ready approach used in FAANG
💡 This problem is one of the most frequently asked array questions in coding interviews and on LeetCode.
👉 Watch till the end to master this pattern forever!
#FirstMissingPositive #LeetCode #DSA #CodingInterview #Python #Arrays #Programming #CodeWithBikash #FAANG
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