TitleDifficultyCompaniesVideos
Implement multiplication, subtraction, and division using only addition
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
Palindrome Number ProblemEasyadobe amazon apple bloomberg facebook google hcl jpmorgan microsoft oracle yahoo
Additive Number ProblemMediumepic-systems
Check If a String Can Break Another String ProblemMedium
Check if One String Swap Can Make Strings Equal ProblemEasy
Custom Sort String ProblemMediumamazon facebook google uber
Delete and Earn ProblemMediumakuna-capital pocket-gems uber
Determine if Two Strings Are Close ProblemMedium
Edit Distance - Insert, Delete, no replace
Find Longest Awesome Substring ProblemHard
Friend Words - One Edit DistanceMediumamazon facebook google microsoft snapchat twitter uber
Largest Odd Number in String ProblemEasy
Largest Substring Between Two Equal Characters ProblemEasy
Longest Common Subsequence LCS of Three Sequences
Longest Duplicate Substring ProblemHardamazon apple google microsoft oracle
Longest Happy Prefix ProblemHardgoogle
Minimum Number of Removals to Make Mountain Array ProblemHard
Search a long string for small strings in an arrayHard
Shortest Common Supersequence ProblemHardmicrosoft
Split Message Based on Limit ProblemHardamazon uber
Z Algorithm String Searching
Balanced Binary Tree ProblemEasyadobe amazon apple bloomberg bytedance cisco facebook google microsoft
Best Time To Buy And Sell Stock With CooldownMediumamazon apple facebook google
Binary Tree Path Sum - Maximum Sum between any nodesHardadobe amazon appdynamics apple baidu bloomberg bytedance facebook google intuit microsoft twitter uber vmware
Binary Tree Traversal - Zigzag Level Order TraversalMediumamazon apple bloomberg bytedance ebay facebook google linkedin microsoft oracle qualtrics samsung servicenow yahoo
Boyer-Moore String Searching
Buddy Strings ProblemEasygoogle
Calculate the Binomial Coefficient
Calculating the mean and median of an unsorted arrayuber
Check if Move is Legal ProblemMedium
Check if Word Equals Summation of Two Words ProblemEasy
Construct Binary Tree from Inorder and Postorder TraversalMediumamazon bloomberg facebook google mathworks microsoft twitter
Construct Binary Tree from Inorder and Preorder TraversalMediumadobe amazon apple bloomberg bytedance citadel facebook google microsoft oracle square twitter yahoo
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
Convert Sorted List into a height-balanced Binary search TreeMediumamazon bloomberg facebook google lyft microsoft oracle vmware zenefits
Count Inversions - Count Smaller on Rightgoogle
Count of Smaller Numbers After Self ProblemHardadobe amazon apple bloomberg facebook google microsoft oracle uber
Count PrimesMediumadobe amazon apple bloomberg capital-one ebay facebook goldman-sachs google intel microsoft oracle yahoo yandex
Create Maximum Number ProblemHardamazon google
Different Ways to Add Parentheses ProblemMediumamazon cisco citadel facebook google
Dot Product of 2 Sparse Vectors
Euler Graphs - Origin of Graph Theory - Seven bridges of Konigsberg
Factor CombinationsMediumgoogle linkedin pinterest uber
Find first position of target element in sorted array
Find Leader Elements in an Array