TitleDifficultyCompaniesVideos
Sliding Puzzle ProblemHardairbnb amazon facebook google microsoft uber
Contains Duplicate 2 - within k distanceEasyadobe airbnb amazon apple bloomberg google microsoft palantir-technologies
Contains Duplicate 3 - within k distance and t differenceHardadobe airbnb apple google microsoft palantir-technologies
Merge K Sorted ListsHardadobe airbnb alibaba amazon apple atlassian audible bloomberg box bytedance cisco cohesity cruise-automation ebay facebook goldman-sachs google indeed ixl linkedin lyft mathworks microsoft nvidia oracle salesforce sap tableau twitter uber vmware wish yahoo yandex zillow
Palindrome Pairs ProblemHardairbnb amazon apple bloomberg facebook google square uber
Koko Eating Bananas ProblemMediumadobe airbnb amazon facebook google
Add Strings ProblemEasyadobe airbnb amazon apple bloomberg bytedance facebook google microsoft nvidia oracle snapchat square
Mini Parser ProblemMediumairbnb google
Flatten Nested List Iterator ProblemMediumairbnb amazon apple atlassian bloomberg ebay facebook google linkedin lyft microsoft oracle pinterest snapchat splunk twitter uber vmware
Course Schedule 2 - Get Ordered CoursesMediumairbnb amazon apple bloomberg doordash facebook google intuit microsoft nutanix oracle pinterest snapchat twitter uber wayfair zenefits
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
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
Valid Parentheses ProblemEasyadobe 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
Convert Sorted Array to height-balanced Binary Search TreeEasyairbnb amazon apple bloomberg cisco facebook google microsoft oracle yahoo
Intersection of Two Linked Lists ProblemEasyairbnb alibaba amazon apache-design bloomberg bytedance cisco ebay expedia facebook goldman-sachs google linkedin microsoft morgan-stanley netapp oracle qualcomm redfin sap tencent yahoo
Maximal SquareMediumadobe airbnb amazon appdynamics apple bloomberg citadel facebook google huawei microsoft oracle two-sigma uber vmware
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
Maximum Profit in Job Scheduling ProblemHardairbnb bytedance cisco google ponyai
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
Longest Palindromic Substring ProblemMediumadobe 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
Contains Duplicate 1 - Check if array has duplicatesEasyadobe airbnb amazon apple bloomberg facebook microsoft oracle palantir-technologies yahoo
Median of Two Sorted Arrays ProblemHardadobe 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
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 Robber 1Mediumadobe 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
Text JustificationHardairbnb amazon apple box coursera facebook google indeed intuit linkedin lyft microsoft palantir paypal pinterest robinhood snapchat twilio twitter uber
Trapping Rain Water ProblemHardadobe affirm airbnb amazon apple audible bloomberg bytedance citadel databricks dataminr ebay electronic-arts facebook flipkart goldman-sachs google grab huawei lyft microsoft nvidia oracle palantir-technologies qualtrics salesforce servicenow snapchat tableau twitter uber visa wish yahoo yandex zenefits
Combination Sum 1 ProblemMediumairbnb 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
Cheapest Flights Within K Stops ProblemMediumairbnb amazon bloomberg ebay facebook google microsoft
Single Number 1 - All elements except one occur twiceEasyadobe airbnb amazon apple atlassian bloomberg facebook google microsoft oracle palantir-technologies tencent
Regular Expression Matching ProblemHardadobe airbnb alibaba amazon apple bloomberg bytedance coursera databricks ebay facebook flipkart google houzz lyft microsoft oracle palantir-technologies pocket-gems twitter uber zulily
Add Two Numbers represented as Linked List in Reversed OrderMediumadobe aetion airbnb alibaba amazon apple baidu bloomberg bytedance capital-one cisco dell docusign ebay facebook flipkart google grab huawei ibm intel lyft mathworks microsoft nvidia oracle paypal qualcomm redfin salesforce servicenow uber vmware wish yahoo yandex zoho
Happy Number ProblemEasyadobe airbnb amazon apple bloomberg ebay evernote facebook google jpmorgan microsoft nutanix pinterest pure-storage twitter uber
Basic Calculator 2 ProblemMediumairbnb amazon apple atlassian doordash ebay facebook google houzz indeed intuit ixl microsoft oracle paypal postmates reddit snapchat tableau tencent uber
Word Search 2 - Return All WordsHardairbnb amazon apple bloomberg bytedance cisco citadel facebook google houzz microsoft oracle roblox salesforce snapchat uber yahoo zillow
Design Add and Search Words Data Structure ProblemMediumairbnb amazon apple ebay facebook google microsoft salesforce uber
Design Circular Queue ProblemMediumairbnb amazon apple citadel cloudera facebook google microsoft oracle splunk