Decode the Coding Interview in Kotlin: Real-World Examples/

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DIY: Longest Substring without Repeating Characters

DIY: Longest Substring without Repeating Characters

Solve the interview question "Longest Substring without Repeating Characters" in this lesson.

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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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