Quant & Finance

Morgan Stanley 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
50
Easy
11
Medium
33
Hard
6
Mapped to chapter
27

Array

37 problems

Easy 9

1Two Sum★ also at:BloombergJane StreetJPMorgan Also at 47 moreAdobeAirbnbAmazonAMDAppleAtlassianAutodeskByteDanceCiscoDelhiveryDellDoorDashDropboxeBayEpic SystemsExpediaFlipkartFractal AnalyticsFreshworksGoogleIntelIntuitJioJuspayLyftMeeshoMetaMicrosoftNVIDIAOlaPayPalPaytmPhonePeQualcommRobloxSAPSplunkSpotifySwiggyTargetToastTwilioVisaVMwareWalmart Global TechYelpZoho EasyChapter
26Remove Duplicates from Sorted Array★ also at:BloombergAdobeAmazon Also at 9 moreAppleCiscoeBayGoogleMetaMicrosoftMyntraQualcommVMware EasyChapter
169Majority Elementalso at:BloombergAdobeAmazon Also at 7 moreAutodeskFreshworksGoogleJioMetaMicrosoftQualcomm Easy—
496Next Greater Element Ialso at:BloombergAmazonFlipkart Also at 5 moreGoogleGrowwMetaMicrosoftSwiggy EasyChapter
1217Minimum Cost to Move Chips to The Same PositionEasyChapter
1470Shuffle the Arrayalso at:AdobeAmazonGoogle Easy—
1539Kth Missing Positive Numberalso at:AmazonGoogleMeta Easy—
2395Find Subarrays With Equal SumEasy—
2432The Employee That Worked on the Longest TaskEasy—

Medium 23

153Sumalso at:BloombergCitadelGoldman Sachs Also at 31 moreAdobeAmazonAMDAppleAtlassianAutodeskByteDanceCiscoCloudflareDream11eBayFlipkartGoogleIntuitMeeshoMetaMicrosoftMyntraNVIDIAPayPalPaytmPhonePeQualcommSplunkTeslaVisaVMwareWalmart Global TechZohoZomatoZoom MediumChapter
49Group Anagramsalso at:BloombergCitadelGoldman Sachs Also at 36 moreJPMorganAdobeAmazonAppleAtlassianAutodeskCiscoDellDocuSignDoorDasheBayExpediaFreshworksGoogleIntuitJioMetaMicrosoftMyntraNianticNVIDIAOktaPayPalPhonePeSalesforceSAPSnapTargetTeslaToastTwilioVMwareWalmart Global TechWayfairYelpZoho MediumChapter
54Spiral Matrixalso at:BloombergAdobeAmazon Also at 21 moreAMDAppleAutodeskByteDanceCapital OneCiscoDatabricksDelhiveryeBayEpic SystemsFlipkartGoogleIntuitMetaMicrosoftNetflixOYOPayPalPhonePeRobloxZoho MediumChapter
55Jump Game★ also at:BloombergAdobeAmazon Also at 12 moreByteDanceCiscoDoorDashGoogleMeeshoMetaMicrosoftPayPalPhonePeUrban CompanyVMwareZoho MediumChapter
56Merge Intervalsalso at:BloombergCitadelGoldman Sachs Also at 46 moreAdobeAirtelAmazonAMDAppleAtlassianAutodeskByteDanceCars24CiscoCrowdStrikeDatabricksDocuSignDoorDashDropboxeBayExpediaFlipkartGoogleInstacartJuspayMetaMicrosoftNetflixOktaOYOPalantirPayPalPhonePeQualcommRazorpayRipplingRobloxSAPSnapTargetTeslaToastUberVisaVMwareWalmart Global TechX (Twitter)YelpZohoZomato MediumChapter
75Sort Colorsalso at:BloombergAmazonAutodesk Also at 18 moreCars24CiscoDelhiveryeBayFlipkartGoogleGrowwInfo Edge (Naukri)MetaMicrosoftNVIDIAOlaPayPalPhonePeSwiggyTargetVMwareWalmart Global Tech MediumChapter
79Word Search★ also at:BloombergCitadelAdobe Also at 17 moreAmazonArista NetworksAtlassianByteDanceCiscoEpic SystemsFreshworksGoogleLyftMetaMicrosoftNetflixPayPalPaytmSnapUberVMware MediumChapter
152Maximum Product Subarrayalso at:BloombergAdobeAmazon Also at 13 moreByteDanceDelhiveryDeliverooGoogleJuspayLINELinkedInMetaMicrosoftPayPalQualcommSwiggyWayfair Medium—
215Kth Largest Element in an Array★ also at:BloombergAdobeAmazon Also at 17 moreAppleAutodeskByteDanceDeliverooeBayFlipkartFreshworksGoogleIntuitLinkedInMetaMicrosoftPayPalQualcommSAPSpotifyVMware MediumChapter
253Meeting Rooms IIalso at:BloombergJPMorganTwo Sigma Also at 15 moreAmazonAppleAtlassianCiscoDocuSigneBayFreshworksGoogleLINELyftMetaMicrosoftNetflixSnapUber MediumChapter
300Longest Increasing Subsequence★ also at:BloombergCitadelAdobe Also at 12 moreAmazonAtlassianeBayFreshworksGoogleIntuitLINEMetaMicrosoftNVIDIAPayPalVMware MediumChapter
322Coin Change★ also at:BloombergAdobeAmazon Also at 18 moreAtlassianByteDanceCleartripDatadogDeliverooeBayFractal AnalyticsGoogleIntuitMetaMicrosoftNetflixNianticPayPalPhonePePinterestSAPVMware MediumChapter
503Next Greater Element IIalso at:BloombergAmazonFlipkart Also at 4 moreGoogleIntuitMetaMicrosoft MediumChapter
518Coin Change IIalso at:AmazonGoogleMeta MediumChapter
739Daily Temperaturesalso at:BloombergGoldman SachsAdobe Also at 11 moreAmazonGoogleIntuitMetaMicrosoftNetflixOktaSamsaraSAPSwiggyZoho MediumChapter
740Delete and Earnalso at:CitadelMeesho MediumChapter
907Sum of Subarray Minimumsalso at:BloombergAmazonFlipkart Also at 3 moreGoogleMicrosoftPaytm Medium—
1481Least Number of Unique Integers after K RemovalsMedium—
1626Best Team With No ConflictsMedium—
1658Minimum Operations to Reduce X to Zeroalso at:AmazonGoogle Medium—
2152Minimum Number of Lines to Cover PointsMedium—
2433Find The Original Array of Prefix XorMedium—
2607Make K-Subarray Sums EqualMedium—

Hard 5

135Candyalso at:BloombergAmazonFlipkart Also at 6 moreGoogleMetaMicrosoftPhonePeSAPUrban Company HardChapter
992Subarrays with K Different Integersalso at:BloombergAmazonGoogle Also at 4 moreMicrosoftRobloxSalesforceZoom Hard—
1326Minimum Number of Taps to Open to Water a Gardenalso at:CoinDCXCure.fitIntuit Also at 3 moreMeeshoMicrosoftRippling Hard—
1964Find the Longest Valid Obstacle Course at Each PositionHardChapter
2444Count Subarrays With Fixed Boundsalso at:MeeshoMicrosoft Hard—

Hash Table

4 problems

Easy 1

387First Unique Character in a Stringalso at:BloombergGoldman SachsAdobe Also at 6 moreAmazonGoogleMicrosoftPayPalRazorpayWise Easy—

Medium 3

3Longest Substring Without Repeating Charactersalso at:BloombergJPMorganAdobe Also at 45 moreAirtelAmazonAMDAppleArista NetworksAtlassianByteDanceCiscoDellDocuSignDream11DuolingoeBayFlipkartFractal AnalyticsFreshworksGoogleIntelIntuitJuspayLinkedInMetaMicrosoftMyntraNetflixNVIDIAPayPalPaytmQualcommRakutenRipplingRobloxSalesforceSAPSpotifySwiggyTeslaToastUrban CompanyVisaVMwareYelpZohoZomatoZoom MediumChapter
138Copy List with Random Pointeralso at:BloombergAdobeAmazon Also at 8 moreArista NetworksDocuSigneBayGoogleIntelMetaMicrosoftOYO MediumChapter
3144Minimum Substring Partition of Equal Character FrequencyMedium—

String

4 problems

Medium 3

22Generate Parenthesesalso at:BloombergAdobeAirtel Also at 14 moreAmazonByteDanceFlipkartGoogleIntuitLyftMetaMicrosoftMyntraNetflixQualcommSalesforceSpotifyZoho Medium—
1143Longest Common Subsequence★ also at:CitadelAmazonByteDance Also at 6 moreCiscoCure.fitDoorDashGoogleMetaMicrosoft MediumChapter
1209Remove All Adjacent Duplicates in String IIalso at:BloombergGoldman SachsAmazon Also at 3 moreMicrosoftPayPalVMware Medium—

Hard 1

936Stamping The SequenceHard—

Linked List

3 problems

Easy 1

234Palindrome Linked Listalso at:BloombergAdobeAmazon Also at 9 moreAMDGoogleIntelIntuitMetaMicrosoftNVIDIASAPVMware EasyChapter

Medium 2

19Remove Nth Node From End of Listalso at:AdobeAmazonApple Also at 8 moreByteDanceGoogleInMobiLINEMetaMicrosoftQualcommVMware Medium—
143Reorder Listalso at:BloombergAdobeAmazon Also at 7 moreArista NetworksByteDanceeBayGoogleMetaMicrosoftSplunk MediumChapter

Misc

2 problems

Medium 2

5Longest Palindromic Substring★ also at:BloombergAdobeAmazon Also at 26 moreAppleArista NetworksAutodeskCiscoDoorDashDuolingoeBayEpic SystemsFlipkartFractal AnalyticsGoogleInfo Edge (Naukri)MetaMicrosoftNVIDIAPalantirPayPalPaytmPhonePeSAPSwiggyTeslaUberVisaVMwareWalmart Global Tech MediumChapter
556Next Greater Element IIIalso at:AmazonDoorDashVMware Medium—