LeetCode 217: Contains Duplicate Solution 🚀 | 5 Easy approaches Explained | Interview Preparation
🧑💻 Struggling with the Contains Duplicate problem? In this video, I’ll walk you through various approaches to solve this problem in Python with detailed explanations, from Brute Force to advanced Hashing techniques. Whether you're preparing for coding interviews or sharpening your DSA skills, this breakdown will equip you with the knowledge to ace this problem!
Here's what we'll cover:
💡 Brute Force Solution: A simple but slower approach.
🧑🏫 Sorting Method: Optimized for faster comparisons.
🔥 Hashing Techniques: Fast and effective solutions using HashMaps and HashSets.
LeetCode Blind 75 DSA Sheet: https://docs.google.com/spreadsheets/...
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Why watch this video?
📈 Gain a solid understanding of different approaches to solving Contains Duplicate.
⚙️ Learn how to implement the HashMap and HashSet techniques.
🚀 Boost your coding interview preparation with optimized solutions.
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👉 If you have any questions or want me to cover other topics, drop a comment below! 💬
Timestamps:
0:00 Welcome!
0:08 Problem Statement
2:02 Approach 1: Brute Force
4:26 Approach 2: Using Sorting
6:23 Approach 3: Using Set - 1
7:40 Approach 4: Using Set - 2
9:08 Approach 5: Using HashMap
9:56 Outro
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