Longest Substring Without Repeating Characters at Apple

Medium38.5% acceptance

This problem has 75.0% frequency at Apple.

Problem Description

Given a string `s`, find the length of the **longest** **substring** without duplicate characters.

Read full problem and hints

Topics

Hash Table String Sliding Window

Also asked at 111 companies

Accenture Accolite Adobe Agoda Airbnb Airtel Akamai Alibaba Amazon AMD American Express Arcesium Arista Networks AT&T Athenahealth Atlassian Bitgo Bloomberg ByteDance Capgemini+91 more

View Full Problem

More Apple Questions

LRU CacheMedium Two SumEasy Longest Common PrefixEasy Valid ParenthesesEasy Valid SudokuMedium

View all Apple questions