![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: September 21, 2026
![Full [Java] Leetcode 380. Insert Delete GetRandom O(1) [Design #2] Update](https://i.ytimg.com/vi/hru9opR7wG8/mqdefault.jpg)
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This problem challenges you to design a data structure that supports This video has the Problem Statement, Solution Walk-through and neetcode.io/ - A better way to prepare for In this video, I'm going to show you how to solve In this tutorial, I have discussed how we can implement In this video, we'll solve the " Please and to the channel. In this video, we will look into solving the problem to create a data structure where the ... The day 12 problem in June Leetcoding Challenge. ( This video explains a very important design based In this question, we need to implement RandomizedSet Class with following methods: Insert, Delete & GetRandom with O(1 ... 00:00 - Step-by-Step Explanation 07:13 -
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