Problem: Longest Substring Without Repeating Characters
Learn to determine the longest substring in a string that has no repeating characters. Explore using the sliding window technique with a hash map for tracking characters, enabling a linear time complexity solution ideal for large strings.
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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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