Longest Substring Without Repeats | Dataford Interview Questions

Solve a problem that requires finding the longest substring without repeating characters.

Implement length_of_longest_substring(s) to return the length of the longest contiguous substring in s that contains no repeated characters. The input is a string, and the output is an integer; treat characters as distinct according to Python string equality.

Constraints

0 <= len(s) <= 50000
s may contain any valid Python string characters
The substring must be contiguous

Function Signature

def length_of_longest_substring(s):

Your question is Longest Substring Without Repeats. 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.

Problem

Solve a problem that requires finding the longest substring without repeating characters.

Constraints

0 <= len(s) <= 50000
s may contain any valid Python string characters
The substring must be contiguous

Function Signature

def length_of_longest_substring(s):

Your question is Longest Substring Without Repeats. 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.