Longest Unique Substring Problem Statement
Given a string input of length 'n', your task is to determine the length of the longest substring that contains no repeating characters.
Explanation:
A substring is a continuous sequence of characters within a string, formed by removing zero or more characters from the ends while maintaining the order.
Input:
A single line consisting of a string of length 'n' containing lowercase alphabets.
Output:
An integer representing the length of the longest substring with unique characters.
Example:
Input:
s = "abcabcbb"
Output:
3
Explanation:
The answer is "abc", with the length of 3.
Constraints:
1 <= n <= 10^5
- Time Limit: 1 sec

AnswerBot
4mo
Find the length of the longest substring with unique characters in a given string.
Use a sliding window approach to keep track of the longest substring without repeating characters.
Use a hashmap to sto...read more
Help your peers!
Add answer anonymously...
Freshworks Lead Software Engineer interview questions & answers
A Lead Software Engineer was asked 3mo agoQ. Given a string, find all palindromes within it.
A Lead Software Engineer was asked 8mo agoQ. Elevator travel, find the no. of hops
A Lead Software Engineer was asked 11mo agoQ. Given an array of integers, find all unique triplets (a, b, c) such that a + b +...read more
Popular interview questions of Lead Software Engineer
A Lead Software Engineer was asked 3mo agoQ1. Given a string, find all palindromes within it.
A Lead Software Engineer was asked 8mo agoQ2. Elevator travel, find the no. of hops
A Lead Software Engineer was asked 11mo agoQ3. Given an array of integers, find all unique triplets (a, b, c) such that a + b +...read more
>
Freshworks Lead Software Engineer Interview Questions
Stay ahead in your career. Get AmbitionBox app


Trusted by over 1.5 Crore job seekers to find their right fit company
80 L+
Reviews
10L+
Interviews
4 Cr+
Salaries
1.5 Cr+
Users
Contribute to help millions
AmbitionBox Awards
Get AmbitionBox app

