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Longest Substring Without Repeating Characters

Medium

00:00

0 users online

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

Sample Input:

"abcabcbb"

Sample Output:

Hints

Hint 1

Use a sliding window approach with two pointers

Hint 2

Keep track of characters in the current window using a set or map

Hint 3

Move the left pointer when a duplicate is found

Code Editor

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