Contains Duplicate | Blind 75 LeetCode #3 | Brute Force vs HashSet
Автор: Ghost Codes
Загружено: 2026-03-16
Просмотров: 9
Описание:
In this video, we solve the Contains Duplicate problem from the Blind 75 LeetCode list.
The task is to determine whether any value appears at least twice in the array.
We discuss 3 approaches:
• Brute Force approach
• Better Approach
• Optimal HashSet solution
We also analyse the time complexity and space complexity of each approach.
⏱ Timestamps
00:00 - Problem
00:32 - Brute Force Approach
01:20 - Better Solution
02:50 - Optimal HashSet Approach
03:58 - Summary
If you find this video helpful, please like the video and subscribe to the channel for upcoming Blind 75 problems.
#leetcode #blind75 #datastructures #algorithms #codinginterview #programming #softwareengineering
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