TitleDifficultyCompaniesVideos
Making A Large IslandHardamazon facebook google uber
Divide Nodes Into the Maximum Number of GroupsHard
Maximum Employees to Be Invited to a MeetingHard
Balance Parentheses with Minimum Insertions and DeletionsHardfacebook
Count elements in range in sorted matrixHardgoogle
Divide array into two subsets with minimum differenceHardmicrosoft
Split string into fewest palindromic substringsHardgoogle
Alice Joins Probability Student Club by Calculating Expected Values of Probabilistic GamesHardtwo-sigma
Length of the longest path in a weighted treeHarduber
Minimum Cost to Make at Least One Valid Path in a GridHard
Sort a list using reverse sublist operationHard
Implement 3 stacks in 1 listHardmicrosoft
Find all starting indices of anagrams of a word in a stringHard
Find Minimum Diameter After Merging Two TreesHard
Maximum Number of K-Divisible ComponentsHard
Find Building Where Alice and Bob Can MeetHard
Minimum Time to Visit a Cell In a GridHard
Valid Palindrome 3 - Is string palindrome after deleting at most k charsHardfacebook google
Minimum Obstacle Removal to Reach CornerHard
Valid Arrangement of PairsHard
Robot Room CleanerHardamazon facebook google microsoft
Sliding Puzzle ProblemHardairbnb amazon facebook google microsoft uber
Shortest Subarray with Sum at Least K ProblemHardamazon facebook goldman-sachs google
Minimum Total Distance Traveled ProblemHard
Height of Binary Tree After Subtree Removal Queries ProblemHard
Parsing A Boolean Expression ProblemHardaffinity
Smallest Range Covering Elements from K Lists ProblemHardamazon apple facebook google lyft microsoft pinterest snapchat
Sum of Prefix Scores of Strings ProblemHard
Validating Consistency of Directional Rules Between Points ProblemHarduber
Modify Graph Edge Weights ProblemHard
Random Pick with Blacklist ProblemHardamazon google two-sigma uber
Find K-th Smallest Pair Distance ProblemHardamazon google
Largest value path in a directed graph ProblemHardgoogle
Second Minimum Time to Reach Destination ProblemHard
Count Knight's TourHardgoogle
Build a Matrix With Conditions ProblemHard
Number of Atoms ProblemHardadobe amazon bytedance facebook google pinterest
Low bandwidth almost similar file syncing algorithm between two computersHardgoogle
IPO ProblemHard
Max Stack ProblemHardamazon bloomberg facebook google linkedin lyft microsoft pure-storage snapchat twitter
Reverse words in a string keep delimiters in orderHard
Maximum Score Words Formed by Letters ProblemHardamazon
Minimum Cost to Hire K Workers ProblemHardbloomberg google
Find Longest Awesome Substring ProblemHard
Longest Common Subsequence LCS of Three SequencesHardyoutube
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