Contains Duplicate | Leetcode 217 | Solved in 3 methods | Java | SPG

In this video I will walk you though this problem and I solved this problem in 3 different methods. I started with O(n^2) and ended with O(n) time complexity. This is one of the basic interview question which asked in so many interviews to check candidate ability on different approaches. Please watch the complete video to understand all the approaches in detail. If you face any issue in understanding anything in the video, Please do COMMENT and I will be more happy to help you.

#spg #java #leetcode #problem #problemsolving #arrays #hashing #dailydsawithspg #coding #faang #interview #leetcodequestionandanswers

Chapters

0:00 Problem Statement
1:24 First Solution
3:18 Second Solution
6:00 Third Solution
8:50 Coding

Follow me on social media
============================

Disclaimer/Policy:
--------------------------------
Note : All uploaded content in this channel is mine and its not copied from any community , you are free to use source code from above mentioned GitHub account.