TitleDifficultyCompaniesVideos
Path Sum ProblemEasyadobe amazon apple bloomberg facebook microsoft oracle zillow
Can Place Flowers ProblemEasyamazon cisco facebook google linkedin yahoo
Isomorphic Strings ProblemEasyadobe amazon bloomberg facebook google linkedin microsoft oracle salesforce yahoo yelp
Kth Largest Element in a StreamEasyadobe amazon apple bloomberg ebay facebook google microsoft nutanix
Number of 1 Bits ProblemEasyadobe amazon apple box cisco facebook google microsoft qualcomm
Valid Palindrome 2 ProblemEasyatlassian facebook google microsoft yahoo
Unique Email Addresses ProblemEasyadobe amazon facebook google microsoft
Remove Linked List Elements ProblemEasyadobe amazon apple bloomberg capital-one facebook google microsoft paypal pure-storage uber
Min Stack ProblemMediumadobe amazon apple bloomberg ebay facebook flipkart goldman-sachs google groupon intuit linkedin lyft microsoft morgan-stanley netflix oracle pure-storage servicenow snapchat uber visa wish zenefits
Happy Number ProblemEasyadobe airbnb amazon apple bloomberg ebay evernote facebook google jpmorgan microsoft nutanix pinterest pure-storage twitter uber
Lowest Common Ancestor of a Binary Tree 3 - Given Parent PointerMediumfacebook twitter
Invert Binary Tree ProblemEasyamazon apple bloomberg facebook google microsoft salesforce vmware
First Unique Character in a StringEasyadobe amazon apple bloomberg facebook goldman-sachs google huawei jpmorgan linkedin microsoft servicenow yahoo zillow zulily
Merge Two Binary TreesEasyadobe amazon apple bloomberg facebook huawei oracle
Palindrome Linked List ProblemEasyadobe amazon apple bloomberg cisco facebook google grab intel ixl microsoft nutanix snapchat vmware
Maximum Product of Three NumbersEasyamazon apple bloomberg cisco citadel coursera facebook goldman-sachs intuit redfin symantec
Integer to English Words ProblemHardamazon apple barclays bloomberg capital-one citrix facebook google jpmorgan linkedin microsoft nutanix oracle palantir-technologies paypal sap splunk square tableau tesla uber visa yahoo yelp zillow
Intersection of Three Sorted ArraysEasyfacebook tripadvisor
Snakes and Ladders ProblemMediumamazon apple cisco facebook google hulu microsoft uber
Excel Sheet Column Number ProblemEasyamazon apple bloomberg facebook factset google microsoft uber
Count and Say Sequence ProblemMediumadobe amazon apple bloomberg epic-systems facebook google microsoft oracle
ZigZag ConversionMediumadobe amazon apple bloomberg facebook google microsoft paypal uber wish
Next Greater Element 3 - Find smallest number larger than given number using same digitsMediumamazon bloomberg facebook houzz microsoft vmware
Largest Number From Given NumbersMediumamazon apple bytedance facebook google microsoft oracle salesforce uber works-applications
Plus One 1 - Given number as array plus oneEasyadobe amazon apple bloomberg capital-one ebay facebook google spotify uber
Moving Average of Last N numbers in a StreamEasyamazon appdynamics bloomberg facebook google indeed microsoft twitter uber
Design HashMap ProblemEasyadobe amazon apple atlassian dell facebook goldman-sachs google linkedin microsoft nvidia oracle reddit salesforce servicenow tableau twitter uber vmware
Ugly Number ProblemEasyfacebook
Basic Calculator 3 ProblemHardamazon apple bytedance doordash facebook google houzz hulu jingchi microsoft pinterest pocket-gems snapchat 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
Basic Calculator 1 ProblemHardadobe amazon bloomberg facebook google indeed intuit jump-trading karat microsoft paypal pinterest robinhood roblox snapchat uber
Friend Requests I - Overall Acceptance Rate ProblemEasyfacebook
Employees Earning More Than Their Managers ProblemEasyadobe amazon apple facebook google
User Activity for the Past 30 Days IIEasyfacebook
Random Pick Index ProblemMediumfacebook google uber
Reservoir Sampling Explainedfacebook
Reverse Linked List 2 - between m and nMediumadobe amazon apple bloomberg bytedance docusign facebook google microsoft oracle
Binary Tree Cameras ProblemHardebay facebook google uber
Word Search 1 - Find if word existsMediumadobe amazon apple bloomberg bytedance coupang coursera cruise-automation docusign facebook google intuit jpmorgan linkedin lyft microsoft oracle pinterest quantcast snapchat uber vmware yahoo zillow
Word Search 2 - Return All WordsHardairbnb amazon apple bloomberg bytedance cisco citadel facebook google houzz microsoft oracle roblox salesforce snapchat uber yahoo zillow
Longest Substring Without Repeating Characters ProblemMediumadobe alation alibaba amazon apple atlassian baidu bloomberg bytedance cisco coupang ebay expedia facebook goldman-sachs google huawei microsoft oracle paypal salesforce samsung sap snapchat spotify twitch uber vmware yahoo yandex yelp zillow zoho
Maximum Sum Circular SubarrayMediumamazon facebook two-sigma uber
Top K Frequent Words ProblemMediumadobe amazon apple atlassian bloomberg expedia facebook google linkedin microsoft oracle pocket-gems salesforce tripadvisor uber vmware yelp
H-Index 2 ProblemMediumfacebook
Delete non-tail Node in linked list, Given only access to that NodeMediumadobe amazon apple bloomberg cisco facebook goldman-sachs google microsoft qualcomm yahoo
H-Index ProblemMediumadobe bloomberg facebook google tripadvisor yahoo
Binary Tree Traversal - Vertical Order TraversalMediumadobe amazon bloomberg bytedance databricks expedia facebook google mathworks microsoft oracle reddit salesforce snapchat wish
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
Minimum Remove to Make Valid ParenthesesMediumamazon bloomberg bytedance facebook google microsoft