In this video, I'll talk about how to solve Leetcode 315. Count of Smaller Numbers After Self | Day 024 | Fenwick Tree | Merge Sort
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I am Aryan Mittal - A Software Engineer in Goldman Sachs, Speaker, Creator & Educator. During my free time, I create programming education content on this channel & also how to use that to grow :)
✨ Timelines✨
0:00 - Problem Explanation
1:05 - Method 1 - Brute Force
3:23 - Method 2 - Using Fenwick Tree - Intuition
6:34 - Dry Run
11:23 - Code Explanation
13:15 - Method 3 - Merge Sort - Intuition
15:37 - Dry Run
25:15 - Code Explanation
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#programming #Interviews #leetcode #faang #maang #datastructures #algorithms
