Problem
Given a string, find the length of the longest substring without repeating characters.
Input format
Input
input.txt
- A single string (up to 100 characters)
Output format
Output
output.txt
- Integer: the maximum length
Example
input
abcabcbb
output
3
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Sample cases (from the problem)
Sample Case 1
Input
abcabcbb
Expected output
3
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