Social & Media

Snap 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
7
Medium
28
Hard
15
Mapped to chapter
23

Array

27 problems

Easy 2

121Best Time to Buy and Sell Stockalso at:AdobeAirtelAmazon Also at 39 moreAppleAtlassianBloombergByteDanceCiscoCitadelCoinbaseFlipkartGoldman SachsGoogleGrowwInstacartIntuitJioJPMorganLyftMetaMicrosoftMorgan StanleyMyntraNetflixNVIDIAOlaPayPalPhonePeRakutenRobinhoodSAPSwiggyTargetTeslaTiger AnalyticsToastTwo SigmaUberVisaVMwareWalmart Global TechZoho Easy—
953Verifying an Alien Dictionaryalso at:Google Easy—

Medium 12

39Combination Sumalso at:AirbnbAmazonBloomberg Also at 10 moreChimeCitadeleBayGoogleMetaNianticPayPalSamsaraVMwareZomato MediumChapter
49Group Anagramsalso at:AdobeAmazonApple Also at 36 moreAtlassianAutodeskBloombergCiscoCitadelDellDocuSignDoorDasheBayExpediaFreshworksGoldman SachsGoogleIntuitJioJPMorganMetaMicrosoftMorgan StanleyMyntraNianticNVIDIAOktaPayPalPhonePeSalesforceSAPTargetTeslaToastTwilioVMwareWalmart Global TechWayfairYelpZoho MediumChapter
74Search a 2D Matrixalso at:AdobeAmazonBloomberg Also at 4 moreGoogleMetaMicrosoftSAP Medium—
380Insert Delete GetRandom O(1)also at:X (Twitter)AdobeAmazon Also at 20 moreAppleBloombergCars24CiscoCitadelDocuSignDoorDashGoogleIntuitLinkedInMicrosoftNetflixOktaOYORobloxSamsaraTwilioUberVMwareYelp MediumChapter
560Subarray Sum Equals K★ also at:AdobeAirtelAmazon Also at 20 moreAMDAppleBloombergCiscoDeliverooeBayFlipkartGoogleJPMorganMetaMicrosoftNianticPayPalQualcommSwiggyTeslaTwilioVisaWalmart Global TechZoho MediumChapter
694Number of Distinct Islandsalso at:LyftMicrosoft Medium—
721Accounts Mergealso at:AirbnbAmazonBloomberg Also at 8 moreDocuSignGoogleLinkedInMetaMicrosoftPalantirPhonePeRippling MediumChapter
937Reorder Data in Log FilesMedium—
939Minimum Area Rectanglealso at:FlipkartGoogleMicrosoft Medium—
973K Closest Points to Originalso at:ChimeeBayMeta Also at 2 moreSwiggyTiger Analytics MediumChapter
983Minimum Cost For Ticketsalso at:AmazonBloombergGoogle Also at 2 moreGrowwIntuit MediumChapter
1306Jump Game IIIalso at:Amazon MediumChapter

Hard 13

4Median of Two Sorted Arraysalso at:AdobeAmazonApple Also at 18 moreAutodeskBloombergByteDanceCitadelDropboxeBayFlipkartGoldman SachsGoogleIntuitMetaMicrosoftOktaPayPalQualcommRipplingSwiggyVMware HardChapter
37Sudoku Solver★ also at:AdobeAmazonBloomberg Also at 5 moreCitadelDoorDashGoogleIntuitVMware HardChapter
269Alien Dictionaryalso at:X (Twitter)AirbnbAmazon Also at 7 moreBloombergCitadelGoogleMetaUberVMwareZoom HardChapter
317Shortest Distance from All Buildingsalso at:ByteDanceDoorDashMeta Also at 2 moreMicrosoftSplunk Hard—
329Longest Increasing Path in a Matrixalso at:AdobeAmazonApple Also at 9 moreByteDanceCitadelDoorDashDuolingoEpic SystemsGoogleMetaMicrosoftPhonePe HardChapter
332Reconstruct Itineraryalso at:PinterestAmazonBloomberg Also at 3 moreFlipkartNetflixTwilio HardChapter
403Frog Jumpalso at:AmazonByteDance Hard—
815Bus Routesalso at:PinterestAmazonBloomberg Also at 5 moreCitadelGoogleInfo Edge (Naukri)PhonePeUber Hard—
871Minimum Number of Refueling Stopsalso at:AmazonGoogle HardChapter
1293Shortest Path in a Grid with Obstacles Eliminationalso at:AmazonDatabricks Hard—
2050Parallel Courses IIIalso at:AmazonCitadelMicrosoft Also at 4 moreNaviSnowflakeStripeTwo Sigma Hard—
2097Valid Arrangement of PairsHard—
2589Minimum Time to Complete All TasksHard—

String

4 problems

Medium 4

72Edit Distance★ also at:AdobeAmazonApple Also at 13 moreArista NetworksBloombergByteDanceCiscoFlipkartGoogleMetaMicrosoftNaviQualcommSwiggyVMwareZoho MediumChapter
91Decode Ways★ also at:AdobeAmazonBloomberg Also at 5 moreFlipkartGoogleLyftMetaMicrosoft MediumChapter
439Ternary Expression ParserMedium—
1249Minimum Remove to Make Valid Parenthesesalso at:BloombergByteDanceMeta Also at 1 moreNetflix Medium—

Depth-First Search

3 problems

Medium 3

207Course Schedule★ also at:AmazonAppleByteDance Also at 22 moreCars24CitadelCloudflareCrowdStrikeDoorDasheBayFlipkartGoogleIntuitMetaMicrosoftPayPalRobloxSalesforceSnowflakeSwiggyTargetToastUberWalmart Global TechYelpZomato MediumChapter
210Course Schedule IIalso at:AmazonAppleArista Networks Also at 24 moreBloombergCars24CitadelCleartripCoinbaseCure.fitDatabricksDoorDashFlipkartGoogleIntuitLinkedInMetaMicrosoftMongoDBNetflixPalantirQualcommRobloxSalesforceSnowflakeTeslaUberUrban Company MediumChapter
339Nested List Weight Sumalso at:LinkedInMeta Medium—

Hash Table

3 problems

Medium 3

146LRU Cache★ also at:LINERedditSpotify Also at 59 moreX (Twitter)AdobeAmazonAMDAppleArista NetworksAutodeskBloombergByteDanceCiscoCitadelCloudflareCREDDelhiveryDocuSignDoorDasheBayExpediaFlipkartGoogleGrowwIntelIntuitJane StreetJPMorganLinkedInLyftMetaMicrosoftMongoDBMorgan StanleyMyntraNetflixNianticNVIDIANykaaOktaOlaPalantirPayPalPhonePeQualcommRakutenRazorpayRipplingSalesforceSAPSnowflakeSplunkSwiggyTargetTeslaToastTwilioUberVisaVMwareZoomZscaler MediumChapter
314Binary Tree Vertical Order Traversalalso at:LINERedditAdobe Also at 5 moreAppleBloombergByteDanceDoorDashMeta Medium—
2385Amount of Time for Binary Tree to Be Infectedalso at:AmazonFlipkartMicrosoft Also at 1 morePhonePe Medium—

Linked List

3 problems

Easy 2

21Merge Two Sorted Lists★ also at:RedditAdobeAmazon Also at 24 moreArista NetworksBloombergByteDanceCars24CleartripCoinDCXDelhiveryDocuSigneBayFlipkartFreshworksGoogleIntuitLyftMetaMicrosoftMongoDBQualcommRakutenRevolutRipplingSwiggyVMwareZoho EasyChapter
206Reverse Linked List★ also at:LINESpotifyX (Twitter) Also at 19 moreAdobeAmazonAppleBloombergByteDanceCiscoeBayGoogleGrowwJioLinkedInMetaMicrosoftPaytmQualcommSAPTeslaVMwareYelp EasyChapter

Hard 1

2296Design a Text Editoralso at:BlockDropboxGoogle Also at 2 moreJane StreetRippling Hard—

Math

3 problems

Easy 1

231Power of Twoalso at:AmazonBloombergGoogle Also at 2 moreMetaQualcomm Easy—

Medium 1

96Unique Binary Search Treesalso at:AdobeAmazonMeta Also at 1 moreSwiggy Medium—

Hard 1

772Basic Calculator IIIalso at:ByteDanceDoorDashMicrosoft Hard—

Two Pointers

3 problems

Medium 3

161One Edit Distancealso at:X (Twitter)Stripe MediumChapter
443String Compressionalso at:SpotifyAmazonCrowdStrike Also at 13 moreeBayGoldman SachsGoogleLyftMetaMicrosoftMongoDBPalantirPaytmRakutenSalesforceSAPYelp Medium—
1754Largest Merge Of Two StringsMedium—

Misc

4 problems

Easy 2

270Closest Binary Search Tree Valuealso at:DuolingoFractal AnalyticsMeta Also at 2 moreRakutenWise Easy—
1009Complement of Base 10 Integeralso at:BloombergGoogle EasyChapter

Medium 2

935Knight Dialeralso at:Twilio Medium—
1341Movie Ratingalso at:MetaSAP Medium—