![[Java] Leetcode 380. Insert Delete GetRandom O(1) [Design #2]](https://i.ytimg.com/vi/hru9opR7wG8/mqdefault.jpg)
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Last Updated: September 20, 2026
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class RandomizedSet { Map[Integer, Integer] table; List[Integer] randomList; /** Initialize your data structure here. */ public ... neetcode.io/ - A better way to prepare for 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 - Please and to the channel. In this video, we will look into solving the In this video, I'm going to show you how to solve Leetcode 380. Design a data structure that supports all following operations in average O(1) time. RandomizedCollection is a data structure that contains a collection of numbers, possibly duplicates (i.e., a multiset). It should ... LeetCode Solutions: youtube.com/playlist?list=PL1w8k37X_6L86f3PUUVFoGYXvZiZHde1S June LeetCoding ...
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