Making A Large Island | Hard | amazon
facebook
google
uber | |
Divide Nodes Into the Maximum Number of Groups | Hard | | |
Maximum Employees to Be Invited to a Meeting | Hard | | |
Balance Parentheses with Minimum Insertions and Deletions | Hard | facebook | |
Count elements in range in sorted matrix | Hard | google | |
Divide array into two subsets with minimum difference | Hard | microsoft | |
Split string into fewest palindromic substrings | Hard | google | |
Alice Joins Probability Student Club by Calculating Expected Values of Probabilistic Games | Hard | two-sigma | |
Length of the longest path in a weighted tree | Hard | uber | |
Minimum Cost to Make at Least One Valid Path in a Grid | Hard | | |
Sort a list using reverse sublist operation | Hard | | |
Implement 3 stacks in 1 list | Hard | microsoft | |
Find all starting indices of anagrams of a word in a string | Hard | | |
Find Minimum Diameter After Merging Two Trees | Hard | | |
Maximum Number of K-Divisible Components | Hard | | |
Find Building Where Alice and Bob Can Meet | Hard | | |
Minimum Time to Visit a Cell In a Grid | Hard | | |
Valid Palindrome 3 - Is string palindrome after deleting at most k chars | Hard | facebook
google | |
Minimum Obstacle Removal to Reach Corner | Hard | | |
Valid Arrangement of Pairs | Hard | | |
Robot Room Cleaner | Hard | amazon
facebook
google
microsoft | |
Sliding Puzzle Problem | Hard | airbnb
amazon
facebook
google
microsoft
uber | |
Shortest Subarray with Sum at Least K Problem | Hard | amazon
facebook
goldman-sachs
google | |
Minimum Total Distance Traveled Problem | Hard | | |
Height of Binary Tree After Subtree Removal Queries Problem | Hard | | |
Parsing A Boolean Expression Problem | Hard | affinity | |
Smallest Range Covering Elements from K Lists Problem | Hard | amazon
apple
facebook
google
lyft
microsoft
pinterest
snapchat | |
Sum of Prefix Scores of Strings Problem | Hard | | |
Validating Consistency of Directional Rules Between Points Problem | Hard | uber | |
Modify Graph Edge Weights Problem | Hard | | |
Random Pick with Blacklist Problem | Hard | amazon
google
two-sigma
uber | |
Find K-th Smallest Pair Distance Problem | Hard | amazon
google | |
Largest value path in a directed graph Problem | Hard | google | |
Second Minimum Time to Reach Destination Problem | Hard | | |
Count Knight's Tour | Hard | google | |
Build a Matrix With Conditions Problem | Hard | | |
Number of Atoms Problem | Hard | adobe
amazon
bytedance
facebook
google
pinterest | |
Low bandwidth almost similar file syncing algorithm between two computers | Hard | google | |
IPO Problem | Hard | | |
Max Stack Problem | Hard | amazon
bloomberg
facebook
google
linkedin
lyft
microsoft
pure-storage
snapchat
twitter | |
Reverse words in a string keep delimiters in order | Hard | | |
Maximum Score Words Formed by Letters Problem | Hard | amazon | |
Minimum Cost to Hire K Workers Problem | Hard | bloomberg
google | |
Find Longest Awesome Substring Problem | Hard | | |
Longest Common Subsequence LCS of Three Sequences | Hard | youtube | |
Longest Duplicate Substring Problem | Hard | amazon
apple
google
microsoft
oracle | |
Longest Happy Prefix Problem | Hard | google | |
Minimum Number of Removals to Make Mountain Array Problem | Hard | | |
Search a long string for small strings in an array | Hard | | |
Shortest Common Supersequence Problem | Hard | microsoft | |