Marketplace & Mobility

Yelp interview questions

Grouped by topic, sorted Easy → Medium → Hard, then by LeetCode ID. Click a problem to open it on LeetCode; the chapter column links to the handbook chapter that covers it.

Problems
27
Easy
7
Medium
15
Hard
5
Mapped to chapter
15

Array

12 problems

Easy 4

1Two Sum★ also at:AirbnbDoorDashExpedia Also at 47 moreLyftTargetToastAdobeAmazonAMDAppleAtlassianAutodeskBloombergByteDanceCiscoDelhiveryDellDropboxeBayEpic SystemsFlipkartFractal AnalyticsFreshworksGoogleIntelIntuitJane StreetJioJPMorganJuspayMeeshoMetaMicrosoftMorgan StanleyNVIDIAOlaPayPalPaytmPhonePeQualcommRobloxSAPSplunkSpotifySwiggyTwilioVisaVMwareWalmart Global TechZoho EasyChapter
14Longest Common Prefixalso at:TargetAdobeAmazon Also at 15 moreAppleBloombergeBayFractal AnalyticsGoogleJane StreetMetaMicrosoftPhonePeQualcommRevolutRobloxSAPSplunkTwilio EasyChapter
599Minimum Index Sum of Two Listsalso at:Amazon Easy—
1436Destination CityEasy—

Medium 6

49Group Anagramsalso at:DoorDashExpediaTarget Also at 36 moreToastWayfairAdobeAmazonAppleAtlassianAutodeskBloombergCiscoCitadelDellDocuSigneBayFreshworksGoldman SachsGoogleIntuitJioJPMorganMetaMicrosoftMorgan StanleyMyntraNianticNVIDIAOktaPayPalPhonePeSalesforceSAPSnapTeslaTwilioVMwareWalmart Global TechZoho MediumChapter
56Merge Intervalsalso at:DoorDashExpediaInstacart Also at 46 moreTargetToastUberAdobeAirtelAmazonAMDAppleAtlassianAutodeskBloombergByteDanceCars24CiscoCitadelCrowdStrikeDatabricksDocuSignDropboxeBayFlipkartGoldman SachsGoogleJuspayMetaMicrosoftMorgan StanleyNetflixOktaOYOPalantirPayPalPhonePeQualcommRazorpayRipplingRobloxSAPSnapTeslaVisaVMwareWalmart Global TechX (Twitter)ZohoZomato MediumChapter
347Top K Frequent Elementsalso at:TargetToastUber Also at 27 moreAmazonAMDAppleArista NetworksAtlassianBloombergByteDanceDocuSignDropboxeBayGoldman SachsGoogleInfo Edge (Naukri)IntuitMetaMicrosoftNetflixNVIDIAPayPalRipplingRobinhoodSnapSnowflakeSpotifyTeslaTiger AnalyticsVMware MediumChapter
380Insert Delete GetRandom O(1)also at:DoorDashSamsaraUber Also at 20 moreAdobeAmazonAppleBloombergCars24CiscoCitadelDocuSignGoogleIntuitLinkedInMicrosoftNetflixOktaOYORobloxSnapTwilioVMwareX (Twitter) MediumChapter
692Top K Frequent Wordsalso at:UberAdobeAmazon Also at 7 moreBloombergGoogleNetflixPayPalRipplingRobinhoodVMware MediumChapter
1333Filter Restaurants by Vegan-Friendly, Price and DistanceMedium—

Hard 2

218The Skyline Problemalso at:AdobeCitadelGoogle Also at 2 moreX (Twitter)Zomato HardChapter
381Insert Delete GetRandom O(1) - Duplicates allowedalso at:CitadelDiscordLinkedIn Also at 2 moreMetaOkta Hard—

Hash Table

4 problems

Easy 1

242Valid Anagramalso at:AmazonAtlassianBloomberg Also at 6 moreDuolingoGoogleMetaMicrosoftPayPalTesla EasyChapter

Medium 1

3Longest Substring Without Repeating Charactersalso at:RakutenToastAdobe Also at 45 moreAirtelAmazonAMDAppleArista NetworksAtlassianBloombergByteDanceCiscoDellDocuSignDream11DuolingoeBayFlipkartFractal AnalyticsFreshworksGoogleIntelIntuitJPMorganJuspayLinkedInMetaMicrosoftMorgan StanleyMyntraNetflixNVIDIAPayPalPaytmQualcommRipplingRobloxSalesforceSAPSpotifySwiggyTeslaUrban CompanyVisaVMwareZohoZomatoZoom MediumChapter

Hard 2

126Word Ladder IIalso at:LyftAmazonCitadel Also at 2 moreGoogleOkta Hard—
127Word Ladderalso at:LyftUberAmazon Also at 15 moreAppleBloombergDocuSignFlipkartGoogleLinkedInMetaMicrosoftOktaPhonePeRedditSnapSpotifyVMwareZscaler HardChapter

String

3 problems

Medium 3

394Decode Stringalso at:AmazonArista NetworksBloomberg Also at 11 moreByteDanceCiscoeBayGoogleIntuitMicrosoftOlaPhonePeRazorpayVMwareZoho MediumChapter
784Letter Case Permutationalso at:Spotify Medium—
2904Shortest and Lexicographically Smallest Beautiful StringMedium—

Two Pointers

3 problems

Easy 1

1455Check If a Word Occurs As a Prefix of Any Word in a SentenceEasyChapter

Medium 2

151Reverse Words in a Stringalso at:DeliverooAmazonApple Also at 11 moreBloombergChimeCiscoGoogleIntelMetaMicrosoftNykaaPaytmSnapVMware Medium—
443String Compressionalso at:LyftRakutenAmazon Also at 13 moreCrowdStrikeeBayGoldman SachsGoogleMetaMicrosoftMongoDBPalantirPaytmSalesforceSAPSnapSpotify Medium—

Misc

5 problems

Easy 1

206Reverse Linked List★ also at:AdobeAmazonApple Also at 19 moreBloombergByteDanceCiscoeBayGoogleGrowwJioLINELinkedInMetaMicrosoftPaytmQualcommSAPSnapSpotifyTeslaVMwareX (Twitter) EasyChapter

Medium 3

207Course Schedule★ also at:DoorDashTargetToast Also at 22 moreUberAmazonAppleByteDanceCars24CitadelCloudflareCrowdStrikeeBayFlipkartGoogleIntuitMetaMicrosoftPayPalRobloxSalesforceSnapSnowflakeSwiggyWalmart Global TechZomato MediumChapter
1126Active BusinessesMedium—
2038Remove Colored Pieces if Both Neighbors are the Same ColorMedium—

Hard 1

564Find the Closest Palindromealso at:Uber Hard—