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XOR doubly linked listgoogle
Merge Two Sorted Linked ListsEasyadobe airbnb alibaba amazon apple arista-networks atlassian bloomberg bytedance capital-one cisco ebay facebook google huawei indeed intel linkedin lyft microsoft oracle paypal samsung tencent uber visa vmware yahoo yandex
Evaluate Reverse Polish NotationMediumamazon atlassian facebook google jane-street linkedin microsoft opendoor oracle uber vmware yandex zillow
Reverse Words in a StringMediumamazon apple bloomberg cisco citadel facebook google huawei microsoft nvidia oracle qualcomm salesforce snapchat vmware yelp zillow
Longest Palindromic SubstringMediumadobe airbnb alibaba amazon appdynamics apple bloomberg cisco ebay facebook godaddy google huawei jpmorgan mathworks microsoft nutanix oracle paypal pure-storage roblox samsung sap servicenow tencent uber vmware wayfair yahoo yandex
Subsets 1Mediumadobe amazon apple atlassian bloomberg bytedance coupang ebay facebook goldman-sachs google lyft microsoft uber yahoo
Is SubsequenceEasyamazon bloomberg coursera facebook google pinterest
Convert String to Integer atoiMediumadobe amazon apple bloomberg cisco citadel ebay facebook goldman-sachs google linkedin microsoft nvidia oracle redfin sap tencent uber vmware zillow
Majority Element 2 - With n by 3 definitionMediumadobe amazon apple bloomberg facebook google microsoft uber zenefits
Majority Element 1 - with n by 2 definitionEasyfacebook google microsoft yahoo
Kth Smallest Element in a BSTMediumaffirm amazon apple bloomberg facebook google hulu microsoft oracle triplebyte uber vmware
Median of Two Sorted ArraysHardadobe airbnb alibaba amazon apple bloomberg bytedance didi dropbox ebay facebook garena godaddy goldman-sachs google houzz huawei jpmorgan microsoft oracle rubrik tencent two-sigma uber visa vmware yahoo yandex zenefits zillow zulily
Subtree of Another TreeEasyamazon bloomberg ebay facebook google microsoft samsung
Longest Common Prefix in array of stringEasyadobe alibaba amazon apple bloomberg cisco ebay facebook google ibm ixl microsoft oracle pinterest quora snapchat splunk twilio visa yelp
Find Minimum in Rotated Sorted ArrayMediumamazon apple bloomberg ebay facebook goldman-sachs google microsoft oracle salesforce uber vmware wish
Linked List Cycle 2 - Find Start of a CycleMediumadobe amazon apple ebay google linkedin microsoft netapp
Maximal RectangleHardadobe amazon bloomberg citadel facebook google indeed karat microsoft samsung uber vmware wayfair
Coin Change with Fewest Number of Coins Given Infinite SupplyMediumadobe affirm airbnb amazon apple blackrock bloomberg bytedance capital-one ebay facebook goldman-sachs google jpmorgan linkedin microsoft oracle paypal sap uber visa vmware yahoo zappos wework
Word SquaresHardgoogle oracle
House RobberMediumadobe airbnb amazon apple bloomberg bytedance cisco ebay expedia goldman-sachs google hbo linkedin microsoft quora uber
Flood FillEasyamazon apple bloomberg facebook google microsoft palantir-technologies qualtrics snapchat uber vmware
3Sum0 - Find three elements in an array that sum to a zeroMediumadobe akuna-capital alibaba amazon apple baidu bloomberg bytedance cisco citadel citrix coursera doordash ebay expedia facebook goldman-sachs google groupon ibm mathworks microsoft oracle paypal postmates qualtrics quora salesforce samsung servicenow snapchat splunk square tencent uber visa vmware works-applications yahoo yandex zoho
Two SumEasyadobe aetion affirm airbnb alibaba amazon apple audible baidu blackrock bloomberg bookingcom box bytedance cisco citadel cloudera deutsche-bank didi drawbridge dropbox ebay emc expedia facebook factset ge-digital godaddy goldman-sachs google groupon huawei ibm indeed intel intuit jpmorgan linkedin lyft mathworks microsoft morgan-stanley netease nvidia oracle paypal qualcomm quora radius roblox salesforce samsung sap servicenow snapchat splunk spotify tableau tencent twilio twitter uber valve visa vmware wish works-applications yahoo yandex yelp zillow zoho
Meeting Rooms 1 - Can person attend all meetingsEasyamazon bloomberg facebook google microsoft
Maximum Product SubarrayMediumadobe akuna-capital alibaba amazon bloomberg bytedance facebook google linkedin microsoft oracle uber
Next PermutationMediumadobe amazon apple atlassian bloomberg bytedance ebay facebook google houzz jpmorgan microsoft quora rubrik samsung sumologic uber
Graph Valid TreeMediumamazon facebook google linkedin pinterest zenefits adobe salesforce
Find anagrams of a string in another stringMediumamazon bloomberg facebook goldman-sachs google microsoft oracle robinhood uber
Encode and Decode StringsMediumbloomberg google microsoft square twitter
Coin Change - Count Number of Ways of representing Amount given Infinite SupplyMediumamazon apple bloomberg facebook google ixl microsoft oracle uber yahoo
Best Time To Buy And Sell Stock with Transaction FeeMediumaffirm amazon bloomberg facebook google
Wiggle Sort 1Mediumairbnb amazon facebook google microsoft
Serialize and Deserialize Binary Search Tree BSTMediumamazon bytedance ebay facebook google linkedin microsoft oracle qualtrics uber yandex zillow
Product of Array Except SelfMediumadobe amazon apple asana blackrock bloomberg bytedance ebay evernote facebook goldman-sachs google grab groupon intel linkedin lyft microsoft nutanix oracle paypal qualtrics salesforce sap servicenow snapchat splunk tableau uber visa vmware yahoo
Implement Queue using StacksEasyamazon apple bloomberg citadel google mathworks microsoft oracle salesforce uber yahoo yandex
Implement stack using queuesEasyamazon bloomberg citadel google mathworks microsoft twilio yahoo
Combination Sum 3 - Find k numbers summing up to nMediumamazon bloomberg google microsoft
Implement TrieMediumamazon apple bloomberg ebay facebook google microsoft nutanix oracle pinterest qualtrics quip square twitter uber
Minimum Size Subarray SumMediumamazon apple bloomberg bytedance facebook goldman-sachs google microsoft oracle sap
Tenth Line ProblemEasyadobe apple google oracle
Repeated DNA SequencesMediumamazon apple google linkedin microsoft
Number of IslandsMediumadobe affirm alibaba amazon appdynamics apple arista-networks atlassian audible blackrock bloomberg bytedance cisco citadel citrix cohesity cruise-automation doordash ebay electronic-arts evernote expedia facebook godaddy goldman-sachs google houzz hulu jpmorgan linkedin liveramp lyft mathworks microsoft nutanix nvidia oracle palantir-technologies paypal qualtrics roblox salesforce servicenow snapchat splunk spotify square sumologic tableau twitch twitter uber visa vmware wish yahoo zenefits zulily
Word Frequency from FileMediumadobe amazon facebook google yelp
Department Top Three Salaries ProblemHardadobe amazon google netflix
Combine Two Tables ProblemEasyadobe amazon apple google yahoo
Excel Sheet Column TitleEasyadobe apple facebook factset google microsoft yahoo zenefits
Missing RangesEasyamazon facebook google oracle
Longest Substring with At Most Two Distinct CharactersMediumadobe amazon facebook google microsoft
Read N Characters Given Read4 2 - Call Multiple TimesHardamazon bloomberg facebook google lyft microsoft pinterest uber
Read N Characters Given Read4Easyfacebook google