TitleDifficultyCompaniesVideos
Letter Combinations of a Phone Number ProblemMediumamazon apple atlassian bloomberg cisco dropbox ebay facebook goldman-sachs google jpmorgan lyft microsoft morgan-stanley nutanix oracle quip roblox salesforce servicenow square twilio uber vmware yahoo yelp
4SumMediumadobe amazon apple bloomberg facebook google microsoft samsung yahoo
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
UTF-8 ValidationMediumamazon apple facebook google palantir-technologies
Binary Search Tree BST Inorder IteratorMediumalibaba amazon apple atlassian bloomberg bytedance cisco cloudera ebay facebook google linkedin microsoft oracle qualtrics redfin splunk uber
Ransom Note ProblemEasyamazon apple microsoft spotify uber
Guess Number Higher or LowerEasyapple google microsoft
Find All Numbers Disappeared in an ArrayEasyadobe apple bloomberg google microsoft yahoo
Single Number 3 - All elements except two occur twiceMediumamazon apple facebook yahoo
Find Pivot IndexEasyamazon apple bloomberg citadel coupang expedia facebook godaddy goldman-sachs google indeed microsoft radius salesforce tesla
Path Sum ProblemEasyadobe amazon apple bloomberg facebook microsoft oracle zillow
Power of Two ProblemEasyamazon apple google microsoft nvidia
Remove duplicates from Sorted List 2Mediumadobe amazon apple bloomberg google microsoft paypal salesforce
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
Search Insert Position in sorted arrayEasyadobe amazon apple bloomberg google microsoft sap
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
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
Find fixed point in sorted arrayapple
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
Fizz Buzz ProblemEasyadobe amazon apple bloomberg capital-one cisco google linkedin microsoft oracle salesforce spotify wayfair
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
Compare Version Numbers ProblemMediumamazon apple arista-networks google microsoft square
ZigZag ConversionMediumadobe amazon apple bloomberg facebook google microsoft paypal uber wish
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
My Calendar 1 ProblemMediumamazon apple google intuit microsoft qualtrics uber
Paint House 1 - N houses with 3 colors with no two adjacent houses with same colorMediumapple linkedin microsoft tencent twitter
Design HashMap ProblemEasyadobe amazon apple atlassian dell facebook goldman-sachs google linkedin microsoft nvidia oracle reddit salesforce servicenow tableau twitter uber vmware
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
Employees Earning More Than Their Managers ProblemEasyadobe amazon apple facebook google
Add Digits in Number ProblemEasyadobe apple bloomberg microsoft
Reverse Linked List 2 - between m and nMediumadobe amazon apple bloomberg bytedance docusign facebook google microsoft oracle
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
Top K Frequent Words ProblemMediumadobe amazon apple atlassian bloomberg expedia facebook google linkedin microsoft oracle pocket-gems salesforce tripadvisor uber vmware yelp
Delete non-tail Node in linked list, Given only access to that NodeMediumadobe amazon apple bloomberg cisco facebook goldman-sachs google microsoft qualcomm yahoo
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