LeetCode Question #217: Contains Duplicate

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A step-by-step solution to #LeetCode question 217: Contains Duplicate

0:00 Intro
0:14 Brute Force O(n²) Solution
1:10 Optimized O(n) Solution
2:00 Code Walkthrough
3:12 Explanation of O(n²) Time Complexity

#coding #programming #algorithms
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Thanks for the explanation, well made.

JayWind