Enterprise SaaS

Palantir 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
29
Easy
5
Medium
19
Hard
5
Mapped to chapter
11

Array

18 problems

Easy 5

136Single Number★ also at:AdobeAirbnbAmazon Also at 5 moreBloombergCiscoGoogleMetaQualcomm EasyChapter
217Contains Duplicatealso at:AdobeAirbnbAmazon Also at 6 moreAppleBloombergGoogleMetaMicrosoftNetflix EasyChapter
219Contains Duplicate IIalso at:AdobeArista NetworksAirbnb Also at 6 moreAmazonBloombergGoogleMetaMicrosoftNetflix Easy—
303Range Sum Query - Immutable★ also at:GoogleMetaMicrosoft EasyChapter
1232Check If It Is a Straight Linealso at:Datadog Easy—

Medium 11

56Merge Intervalsalso at:AdobeAtlassianAutodesk Also at 46 moreCrowdStrikeDatabricksDocuSignDropboxOktaRipplingSAPVMwareAirtelAmazonAMDAppleBloombergByteDanceCars24CiscoCitadelDoorDasheBayExpediaFlipkartGoldman SachsGoogleInstacartJuspayMetaMicrosoftMorgan StanleyNetflixOYOPayPalPhonePeQualcommRazorpayRobloxSnapTargetTeslaToastUberVisaWalmart Global TechX (Twitter)YelpZohoZomato MediumChapter
244Shortest Word Distance IIalso at:LinkedIneBay Medium—
245Shortest Word Distance IIIMedium—
325Maximum Size Subarray Sum Equals kalso at:LINE Medium—
427Construct Quad Treealso at:Uber Medium—
539Minimum Time DifferenceMedium—
718Maximum Length of Repeated Subarrayalso at:Citadel MediumChapter
721Accounts Mergealso at:DocuSignLinkedInRippling Also at 8 moreAirbnbAmazonBloombergGoogleMetaMicrosoftPhonePeSnap MediumChapter
1202Smallest String With Swapsalso at:ByteDanceMicrosoftPayPal Also at 1 morePhonePe Medium—
2225Find Players With Zero or One LossesMedium—
2964Number of Divisible Triplet Sumsalso at:ZscalerVisa Medium—

Hard 2

220Contains Duplicate IIIalso at:AdobeAirbnbGoogle Also at 1 moreNetflix Hard—
2312Selling Pieces of WoodHard—

Two Pointers

4 problems

Medium 3

5Longest Palindromic Substring★ also at:AdobeArista NetworksAutodesk Also at 26 moreEpic SystemsSAPVMwareAmazonAppleBloombergCiscoDoorDashDuolingoeBayFlipkartFractal AnalyticsGoogleInfo Edge (Naukri)MetaMicrosoftMorgan StanleyNVIDIAPayPalPaytmPhonePeSwiggyTeslaUberVisaWalmart Global Tech MediumChapter
443String Compressionalso at:CrowdStrikeMongoDBSalesforce Also at 13 moreSAPAmazoneBayGoldman SachsGoogleLyftMetaMicrosoftPaytmRakutenSnapSpotifyYelp Medium—
3006Find Beautiful Indices in the Given Array Ialso at:Samsara Medium—

Hard 1

3008Find Beautiful Indices in the Given Array II★ also at:PhonePe HardChapter

Hash Table

3 problems

Medium 3

146LRU Cache★ also at:AdobeArista NetworksAutodesk Also at 59 moreCloudflareDocuSignLinkedInMongoDBOktaRipplingSalesforceSAPSnowflakeSplunkTwilioVMwareZscalerAmazonAMDAppleBloombergByteDanceCiscoCitadelCREDDelhiveryDoorDasheBayExpediaFlipkartGoogleGrowwIntelIntuitJane StreetJPMorganLINELyftMetaMicrosoftMorgan StanleyMyntraNetflixNianticNVIDIANykaaOlaPayPalPhonePeQualcommRakutenRazorpayRedditSnapSpotifySwiggyTargetTeslaToastUberVisaX (Twitter)Zoom MediumChapter
981Time Based Key-Value Storealso at:CrowdStrikeDatabricksMongoDB Also at 14 moreVMwareAirbnbAmazonAppleBloombergCars24CoinbaseGoogleInstacartLyftMicrosoftNetflixOpenAIUber Medium—
2539Count the Number of Good SubsequencesMedium—

Misc

4 problems

Medium 2

210Course Schedule IIalso at:Arista NetworksDatabricksLinkedIn Also at 24 moreMongoDBSalesforceSnowflakeAmazonAppleBloombergCars24CitadelCleartripCoinbaseCure.fitDoorDashFlipkartGoogleIntuitMetaMicrosoftNetflixQualcommRobloxSnapTeslaUberUrban Company MediumChapter
3650Minimum Cost Path with Edge Reversalsalso at:Amazon Medium—

Hard 2

23Merge k Sorted Lists★ also at:AdobeCloudflareDocuSign Also at 25 moreMongoDBRipplingVMwareAirbnbAmazonAppleBloombergByteDanceCiscoCitadelDeliverooDoorDasheBayFlipkartGoogleLyftMetaMicrosoftNianticNVIDIANykaaOlaQualcommTwo SigmaX (Twitter) HardChapter
273Integer to English Wordsalso at:SplunkZscalerAmazon Also at 7 moreAppleBlockCiscoDelhiveryFractal AnalyticsMicrosoftRoblox Hard—