DIY: Longest Substring without Repeating Characters
Explore how to implement a Ruby function that finds the longest substring without repeating characters and returns its length. This lesson helps you understand string manipulation techniques important for coding interviews, especially related to computational biology problems.
We'll cover the following...
We'll cover the following...
Problem statement
In this coding example, you are given a string str. Your task is to find the longest substring without repeating characters. You also have to return the length of this longest substring.
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