Solution: Longest Substring without Repeating Characters

Let's solve the Longest Substring without Repeating Characters problem using the Sliding Window pattern.

We'll cover the following

Statement

Given a string, input_str, return the length of the longest substring without repeating characters.

Constraints:

  • 11 ≤\leq input_str.length ≤105\leq 10^5
  • input_str consists of English letters, digits, symbols, and spaces.

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