Enterprise SaaS

Arista Networks 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
38
Easy
11
Medium
26
Hard
1
Mapped to chapter
24

Array

12 problems

Easy 6

219Contains Duplicate IIalso at:AdobePalantirAirbnb Also at 6 moreAmazonBloombergGoogleMetaMicrosoftNetflix Easy—
268Missing Numberalso at:AdobeVMwareAmazon Also at 6 moreBloombergGoogleMicrosoftRevolutTeslaTiger Analytics Easy—
346Moving Average from Data Streamalso at:CitadelGoogleMeta Also at 2 moreQualcommTesla Easy—
997Find the Town JudgeEasy—
1351Count Negative Numbers in a Sorted Matrixalso at:AmazonGoogleMeta Easy—
1710Maximum Units on a Truckalso at:DuolingoJPMorganMicrosoft Easy—

Medium 6

33Search in Rotated Sorted Array★ also at:AdobeAutodeskLinkedIn Also at 20 moreMongoDBSAPVMwareZscalerAmazonBloombergByteDanceCiscoeBayFlipkartFreshworksGoldman SachsGoogleMetaMicrosoftMyntraNaviNetflixPayPalPaytm MediumChapter
46Permutationsalso at:AdobeEpic SystemsVMware Also at 12 moreAmazonBloombergByteDanceCiscoCitadeleBayGoogleGrowwMetaMicrosoftQualcommZomato MediumChapter
53Maximum Subarrayalso at:AdobeAtlassianAutodesk Also at 29 moreLinkedInSAPAirbnbAmazonAppleBloombergByteDanceCiscoDelleBayFractal AnalyticsFreshworksGoldman SachsGoogleIntelJioMeeshoMetaMicrosoftOlaPayPalPhonePeSnapSwiggyTargetTeslaVisaZomatoZoom MediumChapter
79Word Search★ also at:AdobeAtlassianEpic Systems Also at 17 moreVMwareAmazonBloombergByteDanceCiscoCitadelFreshworksGoogleLyftMetaMicrosoftMorgan StanleyNetflixPayPalPaytmSnapUber MediumChapter
139Word Breakalso at:AdobeAutodeskMongoDB Also at 17 moreTwilioVMwareAmazonBlockBloombergByteDanceCleartripDiscordeBayGoogleIntuitMetaMicrosoftNetflixTargetToastUber MediumChapter
347Top K Frequent Elementsalso at:AtlassianDocuSignDropbox Also at 27 moreRipplingSnowflakeVMwareAmazonAMDAppleBloombergByteDanceeBayGoldman SachsGoogleInfo Edge (Naukri)IntuitMetaMicrosoftNetflixNVIDIAPayPalRobinhoodSnapSpotifyTargetTeslaTiger AnalyticsToastUberYelp MediumChapter

Linked List

8 problems

Easy 2

21Merge Two Sorted Lists★ also at:AdobeDocuSignMongoDB Also at 24 moreRipplingVMwareAmazonBloombergByteDanceCars24CleartripCoinDCXDelhiveryeBayFlipkartFreshworksGoogleIntuitLyftMetaMicrosoftQualcommRakutenRedditRevolutSnapSwiggyZoho EasyChapter
203Remove Linked List Elementsalso at:AdobeAmazonMicrosoft Easy—

Medium 5

24Swap Nodes in Pairsalso at:AdobeAmazoneBay Also at 6 moreGoogleLyftMetaMicrosoftPayPalQualcomm MediumChapter
82Remove Duplicates from Sorted List IIalso at:AdobeGoogleMeta Medium—
92Reverse Linked List IIalso at:AdobeAmazonByteDance Also at 5 moreFreshworksGoogleMetaMicrosoftRevolut MediumChapter
143Reorder Listalso at:AdobeSplunkAmazon Also at 7 moreBloombergByteDanceeBayGoogleMetaMicrosoftMorgan Stanley MediumChapter
1669Merge In Between Linked Listsalso at:PayPal MediumChapter

Hard 1

25Reverse Nodes in k-Group★ also at:AdobeAutodeskSalesforce Also at 12 moreVMwareAmazonBloombergByteDanceCiscoDiscordeBayGoogleMicrosoftOYOQualcommTesla HardChapter

String

5 problems

Medium 5

71Simplify Pathalso at:AdobeSnowflakeAirtel Also at 9 moreAmazonBloombergByteDanceCitadelGoogleMetaMicrosoftOpenAITesla MediumChapter
72Edit Distance★ also at:AdobeVMwareAmazon Also at 13 moreAppleBloombergByteDanceCiscoFlipkartGoogleMetaMicrosoftNaviQualcommSnapSwiggyZoho MediumChapter
93Restore IP Addressesalso at:AdobeVMwareAmazon Also at 2 moreMicrosoftNVIDIA Medium—
394Decode Stringalso at:VMwareAmazonBloomberg Also at 11 moreByteDanceCiscoeBayGoogleIntuitMicrosoftOlaPhonePeRazorpayYelpZoho MediumChapter
1910Remove All Occurrences of a Substringalso at:X (Twitter) Medium—

Hash Table

4 problems

Medium 4

3Longest Substring Without Repeating Charactersalso at:AdobeAtlassianDocuSign Also at 45 moreLinkedInRipplingSalesforceSAPVMwareAirtelAmazonAMDAppleBloombergByteDanceCiscoDellDream11DuolingoeBayFlipkartFractal AnalyticsFreshworksGoogleIntelIntuitJPMorganJuspayMetaMicrosoftMorgan StanleyMyntraNetflixNVIDIAPayPalPaytmQualcommRakutenRobloxSpotifySwiggyTeslaToastUrban CompanyVisaYelpZohoZomatoZoom MediumChapter
138Copy List with Random Pointeralso at:AdobeDocuSignAmazon Also at 8 moreBloombergeBayGoogleIntelMetaMicrosoftMorgan StanleyOYO MediumChapter
146LRU Cache★ also at:AdobeAutodeskCloudflare Also at 59 moreDocuSignLinkedInMongoDBOktaPalantirRipplingSalesforceSAPSnowflakeSplunkTwilioVMwareZscalerAmazonAMDAppleBloombergByteDanceCiscoCitadelCREDDelhiveryDoorDasheBayExpediaFlipkartGoogleGrowwIntelIntuitJane StreetJPMorganLINELyftMetaMicrosoftMorgan StanleyMyntraNetflixNianticNVIDIANykaaOlaPayPalPhonePeQualcommRakutenRazorpayRedditSnapSpotifySwiggyTargetTeslaToastUberVisaX (Twitter)Zoom MediumChapter
2182Construct String With Repeat Limitalso at:JPMorgan Medium—

Tree

3 problems

Easy 2

104Maximum Depth of Binary Tree★ also at:AdobeLinkedInAmazon Also at 5 moreByteDanceGoogleMetaMicrosoftQualcomm EasyChapter
703Kth Largest Element in a Streamalso at:AdobeAtlassianAirtel Also at 2 moreeBayGoogle EasyChapter

Medium 1

510Inorder Successor in BST IIMedium—

Two Pointers

3 problems

Easy 1

125Valid Palindrome★ also at:AdobeSAPAmazon Also at 10 moreAppleBloombergCiscoeBayGoogleIntelMetaMicrosoftToastWayfair EasyChapter

Medium 2

5Longest Palindromic Substring★ also at:AdobeAutodeskEpic Systems Also at 26 morePalantirSAPVMwareAmazonAppleBloombergCiscoDoorDashDuolingoeBayFlipkartFractal AnalyticsGoogleInfo Edge (Naukri)MetaMicrosoftMorgan StanleyNVIDIAPayPalPaytmPhonePeSwiggyTeslaUberVisaWalmart Global Tech MediumChapter
647Palindromic Substringsalso at:AdobeEpic SystemsVMware Also at 7 moreAmazonCapital OneCiscoCitadelMetaMicrosoftPayPal MediumChapter

Misc

3 problems

Medium 3

113Path Sum IIalso at:AdobeVMwareAmazon Also at 4 moreByteDanceFlipkartGoogleMicrosoft Medium—
210Course Schedule IIalso at:DatabricksLinkedInMongoDB Also at 24 morePalantirSalesforceSnowflakeAmazonAppleBloombergCars24CitadelCleartripCoinbaseCure.fitDoorDashFlipkartGoogleIntuitMetaMicrosoftNetflixQualcommRobloxSnapTeslaUberUrban Company MediumChapter
788Rotated Digitsalso at:AmazonGoogle Medium—