TitleDifficultyCompaniesVideos
Kth Largest Element in an ArrayMediumadobe airbnb alibaba amazon apple atlassian baidu bloomberg bytedance ebay expedia facebook goldman-sachs google grab jpmorgan linkedin microsoft oracle pocket-gems salesforce snapchat spotify tencent uber vmware yahoo
Dutch National Flag DNFMediumamazon apple bloomberg ebay facebook google linkedin microsoft oracle paypal pocket-gems pure-storage uber vmware yahoo
Lowest Common Ancestor of a Binary TreeMediumadobe airbnb amazon apple atlassian bloomberg bytedance ebay facebook google intuit linkedin microsoft oracle paypal pinterest salesforce splunk uber visa yahoo zillow
Word Ladder 1 - Get Ladder LengthHardaffirm amazon apple audible bloomberg cohesity expedia facebook google linkedin lyft microsoft oracle pinterest qualtrics salesforce samsung servicenow snapchat spotify square tesla uber vmware yelp zillow
Valid ParenthesesEasyadobe airbnb akuna-capital amazon apple atlassian audible barclays blizzard bloomberg cisco citadel doordash ebay epic-systems expedia facebook godaddy goldman-sachs google ibm intel intuit jpmorgan linkedin liveramp lyft mathworks microsoft morgan-stanley oracle paypal postmates riot-games salesforce samsung sap servicenow splunk spotify tencent tesla triplebyte twilio twitter uber visa vmware yahoo yandex zenefits zillow
Climbing Stairs 1 - Take atmost 2 StepsEasyadobe alibaba amazon apple baidu bloomberg citadel facebook goldman-sachs google huawei linkedin microsoft nvidia oracle tripadvisor uber zulily
Clone Undirected GraphMediumamazon apple facebook google linkedin mathworks microsoft pocket-gems splunk twitter uber vmware
Intersection of Two Linked ListsEasyairbnb alibaba amazon apache-design bloomberg bytedance cisco ebay expedia facebook goldman-sachs google linkedin microsoft morgan-stanley netapp oracle qualcomm redfin sap tencent yahoo
Lowest Common Ancestor of a Binary Search TreeMediumadobe amazon bloomberg cisco facebook google linkedin microsoft oracle twitter uber
Minimum Window SubstringHardadobe airbnb amazon apple bloomberg bytedance cohesity deutsche-bank directi ebay facebook godaddy goldman-sachs google linkedin lyft microsoft nutanix oracle salesforce snapchat tencent twitter uber visa vmware yahoo
Linked List Cycle 1 - Detect CycleEasyadobe amazon apple bloomberg cisco ebay facebook goldman-sachs google linkedin microsoft oracle vmware yahoo
Maximum Depth of Binary TreeEasyadobe amazon apple bloomberg bytedance facebook goldman-sachs google linkedin microsoft paypal sap uber yahoo
Same TreeEasyamazon apple bloomberg facebook google linkedin microsoft
Validate Stack Sequences ProblemMediumgoogle linkedin
Binary Tree Level Order Traversal - Level by LevelMediumadobe amazon apple atlassian bloomberg cisco citadel ebay expedia facebook google linkedin mathworks microsoft oracle sap uber vmware yahoo
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
Convert String to Integer atoi ProblemMediumadobe amazon apple bloomberg cisco citadel ebay facebook goldman-sachs google linkedin microsoft nvidia oracle redfin sap tencent uber vmware zillow
Linked List Cycle 2 - Find Start of a CycleMediumadobe amazon apple ebay google linkedin microsoft netapp
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
House RobberMediumadobe airbnb amazon apple bloomberg bytedance cisco ebay expedia goldman-sachs google hbo linkedin microsoft quora uber
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
Maximum Product SubarrayMediumadobe akuna-capital alibaba amazon bloomberg bytedance facebook google linkedin microsoft oracle uber
Graph Valid TreeMediumamazon facebook google linkedin pinterest zenefits adobe salesforce
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
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
Reorder List such that i-th element points to n-i th elementMediumadobe amazon apple bytedance cisco ebay facebook google linkedin microsoft splunk tencent
Path Sum 2 - find all root to leaf pathsMediumadobe amazon apple baidu bloomberg bytedance facebook google linkedin microsoft oracle quora vmware zillow
Edit Distance ProblemMediumadobe amazon apple baidu bloomberg bytedance facebook goldman-sachs google intuit linkedin microsoft paypal qualcomm square uber vmware yahoo
Text JustificationHardairbnb amazon apple box coursera facebook google indeed intuit linkedin lyft microsoft palantir paypal pinterest robinhood snapchat twilio twitter uber
Rotate Linked List to RightMediumadobe airbnb amazon bloomberg facebook linkedin microsoft
Merge Overlapping IntervalsMediumadobe alibaba amazon apple atlassian bloomberg bytedance cisco cohesity coupang cruise-automation dataminr doordash ebay facebook godaddy goldman-sachs google intuit linkedin microsoft netflix oracle palantir-technologies paypal pinterest postmates salesforce sap servicenow snapchat sumologic tencent twitch twitter two-sigma uber visa vmware wayfair wish yahoo yandex yelp zulily
Combination Sum 2 - Cant Reuse same elementMediumadobe amazon apple bloomberg ebay facebook google linkedin microsoft nutanix snapchat uber
Combination Sum 1Mediumairbnb akuna-capital amazon apple bloomberg ebay facebook goldman-sachs google jpmorgan linkedin microsoft quora snapchat square uber vmware yelp
Find first and last positions of target element in sorted arrayMediumairbnb amazon apple bloomberg bytedance facebook google linkedin microsoft netflix oracle qualtrics quip uber visa yahoo yandex
Search in Rotated Sorted ArrayMediumadobe alibaba amazon apple baidu bloomberg bytedance cisco ebay expedia facebook goldman-sachs google ixl jpmorgan linkedin microsoft netease nutanix nvidia oracle paypal salesforce samsung snapchat tencent tesla tripadvisor twitch uber visa vmware yahoo yandex zillow zulily
LFU Cache ProblemHardadobe alibaba amazon apple bloomberg goldman-sachs google linkedin microsoft salesforce snapchat uber vmware
Design LRU CacheMediumadobe alibaba amazon apple asana baidu bloomberg bytedance cisco citadel cloudera cruise-automation docusign doordash dropbox ebay expedia facebook godaddy goldman-sachs google groupon hbo intuit jpmorgan linkedin lyft microsoft morgan-stanley nutanix nvidia oracle palantir-technologies paypal pinterest roblox salesforce sap snapchat splunk spotify tesla tripadvisor twilio twitch twitter two-sigma uber visa vmware wish yahoo yandex zenefits zillow
Insert IntervalMediumadobe amazon apple dataminr facebook google linkedin microsoft oracle tableau twitter uber
Symmetric Binary TreeEasyadobe alibaba amazon apple atlassian audible bloomberg facebook google linkedin microsoft oracle salesforce sap tripadvisor twitter uber visa vmware yandex
Best Time To Buy And Sell Stock 1 - only one transactionEasyadobe akuna-capital alibaba amazon apple atlassian audible blackrock bloomberg bytedance cisco citadel deutsche-bank doordash expedia facebook goldman-sachs google grab groupon intel jpmorgan linkedin lyft microsoft morgan-stanley oracle paypal redfin sap snapchat tableau tencent uber visa vmware yahoo zillow
Merge Two Sorted ArraysEasyadobe amazon apple baidu bloomberg bytedance cisco ebay expedia facebook goldman-sachs google ibm indeed linkedin lyft microsoft netflix oracle quip tableau uber vmware yahoo yandex
Valid PalindromeEasyadobe amazon apple bloomberg cisco ebay facebook google linkedin microsoft oracle spotify uber wayfair wish yandex zenefits
Permutations of Array 1Mediumadobe amazon apple atlassian bloomberg bytedance cisco ebay facebook garena godaddy goldman-sachs google linkedin microsoft netease oracle paypal salesforce sap uber vmware yahoo
Integer To Roman ProblemMediumadobe amazon apple blackrock bloomberg evernote facebook google linkedin microsoft opendoor oracle paypal salesforce twitter yahoo
Roman To Integer ProblemEasyadobe amazon apple bloomberg facebook goldman-sachs google linkedin microsoft oracle qualtrics uber yahoo zillow
Binary Search Tree BST Inorder IteratorMediumalibaba amazon apple atlassian bloomberg bytedance cisco cloudera ebay facebook google linkedin microsoft oracle qualtrics redfin splunk uber
Two Sum 3 - Data structure designEasylinkedin
Can Place Flowers ProblemEasyamazon cisco facebook google linkedin yahoo
Isomorphic StringsEasyadobe amazon bloomberg facebook google linkedin microsoft oracle salesforce yahoo yelp