Find the Maximum Length of Valid Subsequence I | Detailed Intuition | Leetcode 3201 | MIK
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Hi Everyone, this is the 151st video of our Playlist "Arrays 1D/2D : Popular Interview Problems".
Now we will be solving a good array problem - Find the Maximum Length of Valid Subsequence I | Detailed Intuition | Leetcode 3201 | codestorywithMIK
We will solve it using multiple approaches starting from brute force to optimal.
Problem Name : Find the Maximum Length of Valid Subsequence I | Detailed Intuition | Leetcode 3201 | codestorywithMIK
Company Tags : will update later
Code Github(C++ & JAVA) - https://github.com/MAZHARMIK/Interview_DS_Algo/blob/master/Arrays/Find the Maximum Length of Valid Subsequence I.cpp
Leetcode Link : https://leetcode.com/problems/find-the-maximum-length-of-valid-subsequence-i
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Video Summary :
The approach counts the total number of even and odd elements in the array, then attempts to find the length of the longest subsequence where parity alternates between even and odd. Finally, it returns the maximum value among the count of evens, count of odds, and the longest alternating parity subsequence length. This ensures the result reflects the longest possible subsequence based on parity conditions.
✨ Timelines✨
00:00 - Introduction
0:11 - Motivation
00:57 - Problem Explanation
3:11 - Thought Process + Observation
16:28 - Dry Run
19:09 - Alternating Parity Sequence
21:41 - Coding it up
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