Скачать или смотреть LeetCode 217 Contains Duplicate | 2 Ways to Solve | Explained | Day 2

Short Summary of the Video: Briefly explain what the video covers, such as the different approaches (Hash Set, Sorting, Brute Force).

Given an integer array nums, return true if any value appears at least twice in the array, and return false if every element is distinct.

Time complexity : Brute force O(n^2)
Time complexity : HashSet O(n)

Timestamps: Add timestamps for different sections of the video to help viewers navigate:
0:00 - Introduction & Explanation
1:21 - Brute Force Approach
3:41 - Hash Set Approach (Most Optimal)
5:39 - Outro


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