Marketplace & Mobility

Rakuten 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
20
Easy
7
Medium
12
Hard
1
Mapped to chapter
10

Array

10 problems

Easy 2

121Best Time to Buy and Sell Stockalso at:InstacartLyftTarget Also at 39 moreToastUberAdobeAirtelAmazonAppleAtlassianBloombergByteDanceCiscoCitadelCoinbaseFlipkartGoldman SachsGoogleGrowwIntuitJioJPMorganMetaMicrosoftMorgan StanleyMyntraNetflixNVIDIAOlaPayPalPhonePeRobinhoodSAPSnapSwiggyTeslaTiger AnalyticsTwo SigmaVisaVMwareWalmart Global TechZoho Easy—
706Design HashMapalso at:AdobeAmazonMeta Also at 5 moreMicrosoftRedditSnowflakeTwo SigmaVMware Easy—

Medium 7

40Combination Sum IIalso at:AdobeBloombergDiscord Also at 6 moreeBayGoogleMetaMicrosoftSnapTesla Medium—
48Rotate Image★ also at:LyftSamsaraAdobe Also at 17 moreAmazonAppleBloombergCiscoDiscordFlipkartGoogleIntelJPMorganMetaMicrosoftNetflixPayPalQualcommRobloxVisaZoho MediumChapter
128Longest Consecutive Sequence★ also at:UberAdobeAmazon Also at 17 moreAppleAtlassianBloombergChimeCiscoGoogleMetaMicrosoftMyntraNVIDIAOktaPayPalPaytmPhonePeRobloxSpotifySwiggy MediumChapter
994Rotting Oranges★ also at:DoorDashUberAdobe Also at 23 moreAmazonBloombergChimeCitadelCleartripDream11eBayFlipkartGoogleIntuitLinkedInMetaMicrosoftMyntraOpenAIOYOPayPalPhonePeRobloxSalesforceUrban CompanyZohoZoom MediumChapter
1268Search Suggestions Systemalso at:DoorDashAmazonAtlassian Also at 7 moreCitadelDocuSignMeeshoMicrosoftPayPalSnapTwo Sigma MediumChapter
1762Buildings With an Ocean View★ also at:Meta MediumChapter
2461Maximum Sum of Distinct Subarrays With Length Kalso at:AmazonGoogle Medium—

Hard 1

42Trapping Rain Wateralso at:AirbnbLyftAdobe Also at 34 moreAmazonAtlassianBloombergByteDanceCitadelCrowdStrikeDocuSigneBayFlipkartGoldman SachsGoogleGrowwInMobiIntelIntuitMetaMicrosoftMyntraNaviNVIDIAOpenAIPayPalPaytmPhonePeQualcommRobloxSAPSnowflakeSwiggyTeslaUrban CompanyWalmart Global TechX (Twitter)Zoho HardChapter

Hash Table

4 problems

Easy 1

13Roman to Integeralso at:DoorDashAdobeAmazon Also at 8 moreAMDBloombergGoldman SachsGoogleInMobiMetaMicrosoftReddit Easy—

Medium 3

3Longest Substring Without Repeating Charactersalso at:ToastYelpAdobe Also at 45 moreAirtelAmazonAMDAppleArista NetworksAtlassianBloombergByteDanceCiscoDellDocuSignDream11DuolingoeBayFlipkartFractal AnalyticsFreshworksGoogleIntelIntuitJPMorganJuspayLinkedInMetaMicrosoftMorgan StanleyMyntraNetflixNVIDIAPayPalPaytmQualcommRipplingRobloxSalesforceSAPSpotifySwiggyTeslaUrban CompanyVisaVMwareZohoZomatoZoom MediumChapter
146LRU Cache★ also at:DoorDashExpediaLyft Also at 59 moreTargetToastUberAdobeAmazonAMDAppleArista NetworksAutodeskBloombergByteDanceCiscoCitadelCloudflareCREDDelhiveryDocuSigneBayFlipkartGoogleGrowwIntelIntuitJane StreetJPMorganLINELinkedInMetaMicrosoftMongoDBMorgan StanleyMyntraNetflixNianticNVIDIANykaaOktaOlaPalantirPayPalPhonePeQualcommRazorpayRedditRipplingSalesforceSAPSnapSnowflakeSplunkSpotifySwiggyTeslaTwilioVisaVMwareX (Twitter)ZoomZscaler MediumChapter
291Word Pattern IIalso at:Dropbox Medium—

Misc

6 problems

Easy 4

21Merge Two Sorted Lists★ also at:LyftAdobeAmazon Also at 24 moreArista NetworksBloombergByteDanceCars24CleartripCoinDCXDelhiveryDocuSigneBayFlipkartFreshworksGoogleIntuitMetaMicrosoftMongoDBQualcommRedditRevolutRipplingSnapSwiggyVMwareZoho EasyChapter
70Climbing Stairs★ also at:AdobeAmazonAMD Also at 12 moreBloombergCitadelFractal AnalyticsGoogleIntuitJioMetaMicrosoftPayPalQualcommTiger AnalyticsZoho EasyChapter
270Closest Binary Search Tree Valuealso at:DuolingoFractal AnalyticsMeta Also at 2 moreSnapWise Easy—
392Is Subsequencealso at:AmazonFractal AnalyticsGoogle Also at 3 moreMicrosoftQualcommTesla Easy—

Medium 2

443String Compressionalso at:LyftYelpAmazon Also at 13 moreCrowdStrikeeBayGoldman SachsGoogleMetaMicrosoftMongoDBPalantirPaytmSalesforceSAPSnapSpotify Medium—
2762Continuous SubarraysMedium—