Repeated DNA Sequences | LeetCode 187 | Python Solution

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In this video, we solve the LeetCode problem 'Repeated DNA Sequences' (Problem 187) using Python.

This problem is a fantastic way to enhance your string manipulation skills and master efficient algorithm design, crucial for coding interviews.
We’ll cover both the brute force approach and an optimised sliding window technique to find repeated DNA sequences.

*Timestamps:*
00:00 - Introduction
00:35 - Problem Explanation
01:44 - Approach with visual explanation
08:30 - Time and Space Complexity Analysis
09:28 - Coding the solution
12:18 - Conclusion

🔍 *What You’ll Learn:*
- Efficient method to detect repeated DNA sequences using sliding window and set-based approaches.
- Step-by-step solution demonstrating how to optimise performance for better results.
- Key insights into time and space complexity.

*Problem Description:*
Given a string representing a DNA sequence, return all the 10-letter-long sequences (substrings) that occur more than once.

*Topics Covered:*
- Brute Force Approach
- Sliding Window Technique
- Set-Based Optimisation
- Time and Space Complexity Analysis

*LeetCode Problem Link:*

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