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Problem: Longest Substring without Repeating Characters
Medium
30 min
Explore the sliding window approach to solve the problem of finding the longest substring without repeating characters. Understand how to efficiently handle character repetition and optimize your solution for large input strings. This lesson equips you with practical skills to implement and reason about this common coding interview pattern.
Statement
Given a string, input_str, return the length of the longest substring without repeating characters.
Constraints:
-
input_str.length input_strconsists of English letters, digits, and spaces.
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Problem
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Submissions
Problem: Longest Substring without Repeating Characters
Medium
30 min
Explore the sliding window approach to solve the problem of finding the longest substring without repeating characters. Understand how to efficiently handle character repetition and optimize your solution for large input strings. This lesson equips you with practical skills to implement and reason about this common coding interview pattern.
Statement
Given a string, input_str, return the length of the longest substring without repeating characters.
Constraints:
-
input_str.length input_strconsists of English letters, digits, and spaces.