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Longest Substring Without Repeating Characters

Medium

00:00

0 users online

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

Sample Input:

"abcabcbb"

Sample Output:

Hints

Hint 1

Use sliding window technique

Hint 2

Use a Set or Map to track characters in current window

Hint 3

Move left pointer when duplicate found

Code Editor

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