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Longest Substring Without Repeating Characters

Find the longest substring length without duplicate characters.

Medium

Given a string s, find the length of the longest substring without repeating characters.

Examples

Input: s = "abcabcbb"
Output: 3
Explanation: The answer is abc.

Constraints

  • 0 <= s.length <= 50,000
  • s may contain letters, digits, symbols, and spaces.

Test Cases

lengthOfLongestSubstring("abcabcbb")
lengthOfLongestSubstring("bbbbb")