Solution: Longest Substring without Repeating Characters

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

Statement

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

Constraints:

  • 11 ≤\leq str.length ≤\leq 10510^5
  • str consists of English letters, digits, symbols, and spaces.

Level up your interview prep. Join Educative to access 70+ hands-on prep courses.