[leetcode] 381. Insert Delete GetRandom O(1) - Duplicates allowed

时间 2020-05-09

标签 leetcode insert delete getrandom duplicates allowed 栏目 SQL 繁體版

原文原文链接

Design a data structure that supports all following operations in average O(1) time.数组 Note: Duplicate elements are allowed. insert(val): Inserts an item val to the collection. remove(val): Removes an

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1. Insert Delete GetRandom O(1) & Duplicates allowed
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1. Insert Delete GetRandom O(1) & Duplicates allowed
2. leetcode381. Insert Delete GetRandom O(1) - Duplicates allowed
3. [leetcode]380. Insert Delete GetRandom O(1)
4. [leetcode] 380. Insert Delete GetRandom O(1)
5. leetcode之Insert Delete GetRandom O(1) 问题
6. LeetCode之Insert Delete GetRandom O(1)（Kotlin）
7. leetcode380. Insert Delete GetRandom O(1)
8. 380. Insert Delete GetRandom O(1)
9. [Swift]LeetCode381. O(1) 时间插入、删除和获取随机元素 - 容许重复 | Insert Delete GetRandom O(1) - Duplicates allowed
10. Insert Interval@LeetCode

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