TitleDifficultyCompaniesVideos
Word SubsetsMediumamazon facebook google
Implement a bit arrayMediumamazon
String Matching in an ArrayEasyamazon
Break a string into lines of length k without breaking wordsMediumamazon
Find Largest Value in Each Tree Row ProblemMediumamazon apple facebook linkedin microsoft
Binary Tree PruningMediumamazon capital-one google hulu twitter buffer-box
Construct Binary Search Tree BST from Preorder TraversalMediumamazon facebook microsoft oracle
K closest Points to OriginMediumamazon apple asana ebay expedia facebook goldman-sachs google linkedin microsoft oracle paypal uber visa yahoo
Plus One 2 - Given number as Linked List plus oneMediumamazon google
Range Sum Query - ImmutableEasyamazon bloomberg facebook google microsoft palantir-technologies goldman-sachs
Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary TreeMediumamazon
Interval List IntersectionsMediumamazon apple bloomberg cruise-automation doordash facebook google oracle pinterest snapchat uber
Partition Array According to Given PivotMediumamazon
Robot Room CleanerHardamazon facebook google microsoft
Binary Tree Path - All root to leaf pathsEasyadobe amazon apple facebook google microsoft
Sliding Puzzle ProblemHardairbnb amazon facebook google microsoft uber
Shortest Subarray with Sum at Least K ProblemHardamazon facebook goldman-sachs google
Remove Sub-Folders from the Filesystem ProblemMediumamazon facebook google
Diagonal Traverse ProblemMediumamazon apple ebay facebook google microsoft quora splunk
Maximum Swap ProblemMediumamazon apple bytedance facebook microsoft uber
Smallest Range Covering Elements from K Lists ProblemHardamazon apple facebook google lyft microsoft pinterest snapchat
Minimum Add to Make Parentheses Valid ProblemMediumamazon facebook servicenow
Sentence Similarity 2 - with transitive word pairsMediumamazon bloomberg google
Uncommon Words from Two Sentences ProblemEasyamazon expedia facebook microsoft
Random Pick with Blacklist ProblemHardamazon google two-sigma uber
Lemonade Change ProblemEasyamazon atlassian
Find K-th Smallest Pair Distance ProblemHardamazon google
Count Number of Teams ProblemMediumamazon goldman-sachs
Delete Nodes And Return Forest ProblemMediumamazon google
Number of Atoms ProblemHardadobe amazon bytedance facebook google pinterest
Split Linked List in Parts ProblemMediumadobe amazon
Balance a Binary Search Tree ProblemMediumamazon
Count Number of Nice Subarrays ProblemMediumamazon roblox
Most Profit Assigning Work ProblemMediumamazon netease nutanix uber
Relative Sort Array ProblemEasyamazon de-shaw ebay google microsoft
Max Stack ProblemHardamazon bloomberg facebook google linkedin lyft microsoft pure-storage snapchat twitter
Height Checker ProblemEasyadobe amazon goldman-sachs google salesforce
Find Common Characters ProblemEasyadobe amazon apple bloomberg tripadvisor
Number of Overlapping Lines between points on 2 parallel linesEasyamazon facebook
Number of Steps to Reduce a Number in Binary Representation to OneMediumamazon
Maximum Score Words Formed by Letters ProblemHardamazon
Distribute Coins in Binary Tree ProblemMediumamazon facebook google microsoft uber
Delete Leaves With a Given Value ProblemMediumamazon google
Path with Maximum Gold ProblemMediumamazon facebook goldman-sachs google
Permutations of Array 2 - Array has duplicatesMediumadobe amazon apple bloomberg facebook linkedin microsoft uber vmware
Combination Sum 4 - All permutationsMediumamazon facebook google snapchat visa
Continuous Subarray SumMediumamazon bytedance facebook google microsoft samsung
Implement Power Function 1Mediumadobe amazon apple asana bloomberg ebay facebook goldman-sachs google linkedin microsoft morgan-stanley oracle uber vmware
Missing Number ProblemEasyadobe amazon apple arista-networks bloomberg facebook google ibm microsoft oracle servicenow vmware zillow
Reverse Integer ProblemMediumadobe amazon apple barclays bloomberg cisco facebook google jpmorgan lyft microsoft netease oracle uber yahoo