Find Duplicates in Array in Just 5 Minutes | O(N) Time Complexity| C++ LeetCode Solution
In this quick 5-minute video, we solve a popular LeetCode problem where you're given an array nums containing integers in the range [1, n] with each integer appearing at most twice. Your task is to find all duplicates in O(N) time using constant extra space (excluding output space).
🔥 What you'll learn:
1. Efficient algorithm to detect duplicates
2. Optimal use of C++ STL
3. Time and space complexity explained
4. Interview-ready explanation in under 5 mins!
👨💻 Code Language: C++
🕒 Runtime: O(N)
📦 Auxiliary Space: Constant (excluding result array)
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