Contains Duplicate - HashSet - Leetcode 217 - C#
Автор: Shadow
Загружено: 2026-03-05
Просмотров: 20
Описание:
Learn how to solve LeetCode Contains Duplicate (#217) in C#! In this video, we walk through how to detect duplicate values in an array using a HashSet for a clean and efficient O(n) solution. A great warmup problem for coding interviews and a must-know for any developer.
Topics covered:
Contains Duplicate problem explanation
Optimal HashSet approach
C# code walkthrough
Time complexity analysis
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