Maximum Number of Events That Can Be Attended | Detailed Approach | Leetcode 1353 | codestorywithMIK
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Hi Everyone, this is the 6th video of our Playlist "Sorting : Popular Interview Problems".
Now we will be solving a very good Problem on intervals - Maximum Number of Events That Can Be Attended | Detailed Approach | Leetcode 1353 | 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 : Maximum Number of Events That Can Be Attended | Detailed Approach | Leetcode 1353 | codestorywithMIK
Company Tags : will update later
Code Github(C++ & JAVA) : https://github.com/MAZHARMIK/Interview_DS_Algo/blob/master/Arrays/Intervals_Based_Qn/Maximum Number of Events That Can Be Attended.cpp
Leetcode Link : https://leetcode.com/problems/maximum-number-of-events-that-can-be-attended/description/
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Video Summary :
The solution is designed to maximize the number of events attended by leveraging a greedy approach with a min-heap (priority queue). Events are sorted by start days, then processed by day to determine which events can be attended. The algorithm uses a priority queue to keep track of the minimum end day of ongoing events, enabling it to attend the soonest-ending event each day. After attending an event, it increments the count and skips events whose end day has already passed, ensuring the maximum possible number of events are attended within their respective time frames.
✨ Timelines✨
00:00 - Introduction
0:10 - Motivation
0:29 - Problem Explanation
2:44 - Why Sorting ?
5:34 - Why pick based on early ending day ?
14:30 - How to skip waste days quickly ?
19:16 - Why Min Heap ?
21:31 - Coding it up + Time & Space Complexity
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