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.
Find the longest substring length without duplicate characters.
Given a string s, find the length of the longest substring without repeating characters.
Input: s = "abcabcbb" Output: 3 Explanation: The answer is abc.
lengthOfLongestSubstring("abcabcbb")
lengthOfLongestSubstring("bbbbb")