Longest Harmonious Subsequence | Test your IQ | Leetcode 594 | codestorywithMIK
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Hi Everyone, this is the 97th video of our Playlist "Leetcode Easy".
Now we will be solving an easy but a good observation Problem on array - Longest Harmonious Subsequence | Test your IQ | Leetcode 594 | codestorywithMIK
I will explain it in full detail so that it becomes easy to understand. We will find the reason behind everything so that we understand why we did what we did.
And we will do a complete dry run.
Problem Name : Longest Harmonious Subsequence | Test your IQ | Leetcode 594 | codestorywithMIK
Company Tags : will update later
Code Github(C++ & JAVA) : https://github.com/MAZHARMIK/Interview_DS_Algo/blob/master/Arrays/Leetcode Easy/Longest Harmonious Subsequence.cpp
Leetcode Link : https://leetcode.com/problems/longest-harmonious-subsequence/description/
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Video Summary :
This approach counts the frequency of each number using a hash map.
For each number x, it checks if x + 1 exists in the map.
If so, their combined frequencies form a harmonious subsequence. The maximum such length is tracked and returned.
✨ Timelines✨
00:00 - Introduction
0:17 - Motivation
0:35 - Problem Explanation
1:48 - Thought Process
7:20 - Important Catch
11:40 - Dry Run
20:41 - Coding it up
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