Longest Unique Messenger Substring | Dataford Interview Questions

In Meta Messenger, you are given a message string s. Return the length of the longest contiguous substring that contains no repeated characters.

This is a standard string and sliding-window problem: scan the string once and maintain the largest valid window with all unique characters.

Formal Specification

Input: a string s
Output: an integer representing the maximum length of a substring of s with all distinct characters

def length_of_longest_substring(s):

Your question is Longest Unique Messenger Substring. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

In Meta Messenger, you are given a message string s. Return the length of the longest contiguous substring that contains no repeated characters.

This is a standard string and sliding-window problem: scan the string once and maintain the largest valid window with all unique characters.

Input: a string s
Output: an integer representing the maximum length of a substring of s with all distinct characters

def length_of_longest_substring(s):

Your question is Longest Unique Messenger Substring. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.