16. NeetCode 150 — Longest Substring Without Repeating Characters

📰 Medium · Programming

Learn to solve the Longest Substring Without Repeating Characters problem using the Sliding Window technique

intermediate Published 20 Jun 2026

Action Steps

Read the problem statement and understand the requirements
Use a Sliding Window approach to track the longest substring without repeating characters
Implement a solution using a programming language of choice, such as Python or Java
Test the solution with sample inputs to ensure correctness
Optimize the solution for better performance and efficiency

Who Needs to Know This

This problem is relevant to software engineers and developers who want to improve their problem-solving skills and learn about string manipulation algorithms. It can be useful in a team setting where string processing is a common task.

Key Insight

💡 The Sliding Window technique can be used to efficiently solve string manipulation problems by tracking a moving window of characters

Key Takeaways

Learn to solve the Longest Substring Without Repeating Characters problem using the Sliding Window technique

Full Article

Title: 16. NeetCode 150 — Longest Substring Without Repeating Characters

URL Source: https://medium.com/@tamik.musayev170502/neetcode-150-longest-substring-without-repeating-characters-c6e1787eaa9d?source=rss------programming-5

Published Time: 2026-06-20T14:53:23Z

Markdown Content:
# 16. NeetCode 150 — Longest Substring Without Repeating Characters | by Tamerlan Musayev | Jun, 2026 | Medium

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# 16. NeetCode 150 — Longest Substring Without Repeating Characters

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**Difficulty:** Medium | **Pattern:** Sliding Window

🔗 [NeetCode 150 | Longest Substring Without Repeating Characters](https://neetcode.io/problems/longest-substring-without-duplicates/question)

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16. NeetCode 150 — Longest Substring Without Repeating Characters

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