![[Java] Leetcode 380. Insert Delete GetRandom O(1) [Design #2]](https://i.ytimg.com/vi/hru9opR7wG8/mqdefault.jpg)
![Insert Delete GetRandom O(1) | Day 12 | [June LeetCoding Challenge] [Leetcode #380] [2020]](https://i.ytimg.com/vi/yeTmZxk6-v4/mqdefault.jpg)
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Last Updated: October 16, 2026
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This problem challenges you to design a data structure that supports neetcode.io/ - A better way to prepare for This video has the Problem Statement, Solution Walk-through and In this tutorial, I have discussed how we can implement In this video, I'm going to show you how to solve 源代码以及文字版解题思路 maxming0.github.io/2020/06/12/ This video explains a very important design based Please and to the channel. In this video, we will look into solving the problem to create a data structure where the ... In this video, we'll solve the " The day 12 problem in June Leetcoding Challenge. ( Whatsapp Community Link : whatsapp.com/channel/0029Va6kVSjICVfiVdsHgi1A This is the 1st Video 00:00 - Step-by-Step Explanation 07:13 -
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