Leetcode 380: Insert Delete Getrandom O(1) | Python Solution | Hash Map + Array

2026 4:58
Synopsis
In this problem, we implement a data structure that supports constant time insertion, deletion, and random element retrieval.
Download Options
Choose a download method below. All links open in new tabs.
Service Features Action
SaveFrom
MP4 & MP3 • HD Quality • Browser Extension Available
Download
Security Notice: These are third-party services. We recommend using antivirus software and being cautious of pop-up ads.