Problem: Longest Substring Without Repeating Characters
Explore how to determine the length of the longest substring without repeating characters in a given string. Learn to implement the sliding window technique combined with a hash map to efficiently track substrings while maintaining linear time complexity. Understand the approach to optimize string traversal and handle duplicate characters effectively.
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We'll cover the following...
Statement
Given a string s, determine the length of the longest substring that contains no repeating characters.
A substring is a contiguous sequence of characters within a string.
Note: There may be multiple valid substrings of the same maximum length. Return only the length.
Constraints:
s.lengthsconsists of English letters, digits, symbols, and spaces.
Examples
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