Dsa
Sliding Window
Easy
Longest Unique Char Substring
Given a string, find the length of the longest substring without repeating characters. You need to determine this efficiently.
Input:
- A single line string s (1 ≤ |s| ≤ 10^5) containing only printable ASCII characters.
Output:
- An integer representing the length of the longest substring without repeating characters.
Example:
Input:
abcabcbb
Output:
3
Key concepts
sliding_windowstringhash_map
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