Скачать или смотреть Contains Duplicate - Leetcode 217 | Hashing | Python - Beginner Friendly Explanation

Easy and Beginner Friendly Explanation with 3 approaches and Time and Space Complexity Analysis! ⚡

📌 Related Resources (Next in Series):
🔗 Contains Duplicate II :👉    • Contains Duplicate II - Leetcode 219 ⚡ 2 B...  
🔗 Contains Duplicate III :👉    • Contains Duplicate III - Leetcode 220 ⚡Sor...  

Leetcode 217. Contains Duplicate
🔗 Problem Link: https://leetcode.com/problems/contain...
✅ Solution Page Link: https://dkodetree.com/solutions/conta...
💻 Code on Github: https://github.com/dkodetree/leetcode...

📌 Timestamps
00:00 - Introduction
00:35 - Brute-force Approach
01:52 - Sorting Approach
03:49 - Hashing Approach (Optimal)
05:43 - Python Code (Hashing)
07:02 - Bonus One-Liner in Python

📌 Quick Links:
🔹 Practice Series Solutions:
https://dkodetree.com/practice/series...
🔹 DKodeTree Roots 25 – Foundation Problems:
https://dkodetree.com/practice/dkodet...
🔹 Explore more:
https://dkodetree.com – Simplifying LeetCoding for beginners!

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