Longest Substring Without Repeats
Medium
Question
Find the length of the longest substring without repeating characters in the given input string.
Input: "abaabc"
Output: 3
The longest substring without repeating characters is "abc".
Input: "helloworld"
Output: 5
The longest substring without repeating characters is "world".
Input: "aaaaaa"
Output: 1
The longest substring without repeating characters is "a".
Clarify the problem
What are some questions you'd ask an interviewer?
Understand the problem
What is the length of the longest substring without repeating characters in the string "rabdra"?
2
3
4
5
Take a moment to understand the problem and think of your approach before you start coding.