#923Medium#37 in Swiggy's list· asked at 51 companies
Longest Substring Without Repeating Characters
Hosted on LeetCode
Solve it on LeetCode, track it here.
This problem's full statement lives on LeetCode. Open it in a new tab, then come back to mark it solved, add notes and keep your streak.
LeetCode Premium locked?
Most company-tagged LeetCode problems are behind Premium. If you have ChatGPT Plus or Claude Pro, ask it for the full statement, examples and constraints. The buttons below open a chat with the prompt already filled in.
What we know
Example 1
Input: s = "abcabcbb" Output: 3
The answer is "abc".
Example 2
Input: s = "bbbbb" Output: 1
Example 3
Input: s = "pwwkew" Output: 3
The answer is "wke".
Constraints
- •
0 <= s.length <= 5 * 10^4 - •
sconsists of English letters, digits, symbols and spaces.