Marketplace & Mobility

Toast 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
14
Easy
4
Medium
10
Hard
0
Mapped to chapter
11

Array

8 problems

Easy 2

1Two Sum★ also at:AirbnbDoorDashExpedia Also at 47 moreLyftTargetYelpAdobeAmazonAMDAppleAtlassianAutodeskBloombergByteDanceCiscoDelhiveryDellDropboxeBayEpic SystemsFlipkartFractal AnalyticsFreshworksGoogleIntelIntuitJane StreetJioJPMorganJuspayMeeshoMetaMicrosoftMorgan StanleyNVIDIAOlaPayPalPaytmPhonePeQualcommRobloxSAPSplunkSpotifySwiggyTwilioVisaVMwareWalmart Global TechZoho EasyChapter
121Best Time to Buy and Sell Stockalso at:InstacartLyftRakuten Also at 39 moreTargetUberAdobeAirtelAmazonAppleAtlassianBloombergByteDanceCiscoCitadelCoinbaseFlipkartGoldman SachsGoogleGrowwIntuitJioJPMorganMetaMicrosoftMorgan StanleyMyntraNetflixNVIDIAOlaPayPalPhonePeRobinhoodSAPSnapSwiggyTeslaTiger AnalyticsTwo SigmaVisaVMwareWalmart Global TechZoho Easy—

Medium 6

49Group Anagramsalso at:DoorDashExpediaTarget Also at 36 moreWayfairYelpAdobeAmazonAppleAtlassianAutodeskBloombergCiscoCitadelDellDocuSigneBayFreshworksGoldman SachsGoogleIntuitJioJPMorganMetaMicrosoftMorgan StanleyMyntraNianticNVIDIAOktaPayPalPhonePeSalesforceSAPSnapTeslaTwilioVMwareWalmart Global TechZoho MediumChapter
56Merge Intervalsalso at:DoorDashExpediaInstacart Also at 46 moreTargetUberYelpAdobeAirtelAmazonAMDAppleAtlassianAutodeskBloombergByteDanceCars24CiscoCitadelCrowdStrikeDatabricksDocuSignDropboxeBayFlipkartGoldman SachsGoogleJuspayMetaMicrosoftMorgan StanleyNetflixOktaOYOPalantirPayPalPhonePeQualcommRazorpayRipplingRobloxSAPSnapTeslaVisaVMwareWalmart Global TechX (Twitter)ZohoZomato MediumChapter
122Best Time to Buy and Sell Stock IIalso at:AdobeAmazonApple Also at 7 moreCitadelGoogleGrowwMetaMicrosoftNaviPaytm Medium—
139Word Breakalso at:TargetUberAdobe Also at 17 moreAmazonArista NetworksAutodeskBlockBloombergByteDanceCleartripDiscordeBayGoogleIntuitMetaMicrosoftMongoDBNetflixTwilioVMware MediumChapter
200Number of Islands★ also at:DoorDashLyftTarget Also at 43 moreUberAdobeAmazonAMDAppleAutodeskBloombergByteDanceCapital OneCiscoCitadelCloudflareCREDCrowdStrikeDocuSignDropboxeBayFlipkartGoldman SachsGoogleIntelIntuitLinkedInMeeshoMetaMicrosoftOktaOlaPayPalPhonePePinterestQualcommRedditSAPSnapSplunkSpotifyTeslaUrban CompanyVMwareWalmart Global TechZohoZomato MediumChapter
347Top K Frequent Elementsalso at:TargetUberYelp Also at 27 moreAmazonAMDAppleArista NetworksAtlassianBloombergByteDanceDocuSignDropboxeBayGoldman SachsGoogleInfo Edge (Naukri)IntuitMetaMicrosoftNetflixNVIDIAPayPalRipplingRobinhoodSnapSnowflakeSpotifyTeslaTiger AnalyticsVMware MediumChapter

Misc

6 problems

Easy 2

20Valid Parentheses★ also at:AirbnbLyftTarget Also at 36 moreAdobeAmazonAutodeskBloombergCiscoCoinDCXCrowdStrikeDelleBayEpic SystemsFlipkartFreshworksGoogleGrowwIntelIntuitJane StreetJioLinkedInMetaMicrosoftNetflixNVIDIAPayPalPaytmPhonePeQualcommRobloxSAPSplunkSpotifySwiggyTeslaTwilioVMwareX (Twitter) EasyChapter
125Valid Palindrome★ also at:WayfairAdobeAmazon Also at 10 moreAppleArista NetworksBloombergCiscoeBayGoogleIntelMetaMicrosoftSAP EasyChapter

Medium 4

3Longest Substring Without Repeating Charactersalso at:RakutenYelpAdobe Also at 45 moreAirtelAmazonAMDAppleArista NetworksAtlassianBloombergByteDanceCiscoDellDocuSignDream11DuolingoeBayFlipkartFractal AnalyticsFreshworksGoogleIntelIntuitJPMorganJuspayLinkedInMetaMicrosoftMorgan StanleyMyntraNetflixNVIDIAPayPalPaytmQualcommRipplingRobloxSalesforceSAPSpotifySwiggyTeslaUrban CompanyVisaVMwareZohoZomatoZoom MediumChapter
146LRU Cache★ also at:DoorDashExpediaLyft Also at 59 moreRakutenTargetUberAdobeAmazonAMDAppleArista NetworksAutodeskBloombergByteDanceCiscoCitadelCloudflareCREDDelhiveryDocuSigneBayFlipkartGoogleGrowwIntelIntuitJane StreetJPMorganLINELinkedInMetaMicrosoftMongoDBMorgan StanleyMyntraNetflixNianticNVIDIANykaaOktaOlaPalantirPayPalPhonePeQualcommRazorpayRedditRipplingSalesforceSAPSnapSnowflakeSplunkSpotifySwiggyTeslaTwilioVisaVMwareX (Twitter)ZoomZscaler MediumChapter
207Course Schedule★ also at:DoorDashTargetUber Also at 22 moreYelpAmazonAppleByteDanceCars24CitadelCloudflareCrowdStrikeeBayFlipkartGoogleIntuitMetaMicrosoftPayPalRobloxSalesforceSnapSnowflakeSwiggyWalmart Global TechZomato MediumChapter
277Find the Celebrityalso at:AppleLinkedInMicrosoft Also at 1 moreVMware Medium—