Insert Delete GetRandom O(1) #12 | LeetCode Explained and Solved with Notes

Опубликовано: 19 Июль 2026
на канале: Nerd Coding
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Welcome to our YouTube video on solving the popular coding problem "Insert Delete GetRandom O(1)" from LeetCode! This problem challenges us to design a data structure that supports the following operations in constant time complexity: insert, delete, and get a random element. This problem is not only intriguing but also demonstrates the importance of optimizing data structures for efficient operations.

To fully grasp the question and follow along, make sure to check out the LeetCode question description: https://leetcode.com/problems/insert-...

Notes Link: https://docs.google.com/document/d/1E...

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