Contains Duplicate | LeetCode 217 | Blind 75

Описание: 👉 Stop the Grind! Learn the Patterns and Solve Any Problem — The Most Structured Way to Interview Prep: https://algo.monster

Solve LeetCode 217: Contains Duplicate. Use a hash set to detect duplicates in a single pass through the array with O(1) lookups.

⏱️ Timestamps:
0:00 Problem Statement
0:11 Example Walkthrough
0:20 The Challenge
0:41 Intuition
1:08 Step-by-Step Solution
2:23 Time & Space Complexity

💻 View code for this problem: https://algo.monster/217

📌 Topics: Array, Hash Table, Sorting

#leetcode #coding #programming #algorithm #datastructure #algomonster