Longest Unique Substring

Medium

/problems/longest-unique-substring

2000 ms128 MB2 visible tests

Problem statement

Return the length of the longest contiguous part of a string that contains no repeated character.

Implement this function and return the result. CodeSprint supplies each test case automatically.

lengthOfLongestSubstring(s) → number

s: string

Example 1

Input

s = "abcabcbb"

Output

Example 2

Input

s = "bbbbb"

Output

Constraints

0 <= s.length <= 100,000
s may contain letters, digits, spaces, and punctuation.