Count the Hidden Sequences | Detailed Explanation | Maths | Leetcode 2145 | codestorywithMIK
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Hi Everyone, this is the 28th video of our Playlist "Maths Playlist : Popular Interview Problems".
Now we will be solving a good Maths problem - Count the Hidden Sequences | Detailed Explanation | Explained Maths Behind it | Leetcode 2145 | codestorywithMIK
We will break it down into simple steps to make it easier to understand. We will deep dive into the Maths behind it.
Problem Name : Count the Hidden Sequences | Detailed Explanation | Explained Maths Behind it | Leetcode 2145 | codestorywithMIK
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My solutions on Github(C++ & JAVA) - https://github.com/MAZHARMIK/Interview_DS_Algo/blob/master/Mathematical/Count the Hidden Sequences.cpp
Leetcode Link : https://leetcode.com/problems/count-the-hidden-sequences
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Video Summary :
We assume the hidden sequence starts from 0 to simplify reconstruction using the given differences. By tracking the minimum and maximum values of this base sequence, we can determine how much it needs to be shifted to fit within [lower, upper]. The number of valid shifts gives us the count of valid sequences. If the range is too large to fit, we return 0.
✨ Timelines✨
00:00 - Introduction
0:16 - Motivation
0:40 - Problem Explanation
3:57 - Thought Process
11:46 - Important Derivation
17:20 - Example Dry Run
24:16 - Coding it up
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