Programming Logic Assessment | Dataford Interview Questions

Solve a programming logic question and explain your approach.

Implement length_of_longest_substring(s). Given a string s, return the length of its longest substring containing no repeated characters. The function must return an integer and treat every character, including spaces and symbols, as valid input.

Constraints

0 <= len(s) <= 100000
s may contain letters, digits, spaces, punctuation, and other standard string characters
Return only the length, not the substring itself

Function Signature

def length_of_longest_substring(s):

Your question is Programming Logic Assessment. 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 programming logic question and explain your approach.

Constraints

0 <= len(s) <= 100000
s may contain letters, digits, spaces, punctuation, and other standard string characters
Return only the length, not the substring itself

Function Signature

def length_of_longest_substring(s):

Your question is Programming Logic Assessment. 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.