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138 problems total

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TitleDifficultyVideosCompanies
Median of Two Sorted Arrayshard-
adobeairbnbalibaba
Regular Expression Matchinghard-
adobeairbnbalibaba
Merge K Sorted Listshard
adobeairbnbalibaba
Stable Marriage Problemhard-
amazon
K Reverse a linked listhard-
adobeamazonapple
Substring with Concatenation of All Wordshard-
adobeamazonapple
Longest Valid Parentheseshard-
adobeamazonapple
Sudoku Solverhard-
adobeamazonapple
First Missing Positivehard-
adobeamazonapple
Trapping Rain Waterhard-
adobeaffirmairbnb
Wildcard Matchinghard-
adobeamazonbloomberg
N-Queenshard-
adobeamazonapple
N-Queens 2 - Count number of distinct solutionshard-
amazonzenefits
Kth Permutation Sequence of Numbers 1 to Nhard-
amazonapplefacebook
Valid Numberhard-
adobeamazonapple
Text Justificationhard-
airbnbamazonapple
Minimum Window Substringhard
adobeairbnbamazon
Largest Rectangle in Histogramhard-
adobeamazonbloomberg
Maximal Rectanglehard-
adobeamazonbloomberg
Distinct Subsequenceshard-
adobeamazonbarclays
Best Time To Buy And Sell Stock 3 - at most twicehard-
amazonappleatlassian
Binary Tree Path Sum - Maximum between any two nodeshard
adobeamazonappdynamics
Word Ladder 2 - Get all the laddershard-
amazonapplebloomberg
Word Ladder 1 - Get Ladder Lengthhard-
affirmamazonapple
Palindrome Partitioning IIhard-
amazongoogle
Candy distributionhard-
amazonapplegoogle
Word Break 2 - Construct a sentencehard
amazonappleaudible
Maximum Points on a Linehard-
amazonapplebloomberg
Find Minimum in Rotated Sorted Array 2 - Duplicates allowedhard-
adobeamazonfacebook
Read N Characters Given Read4 2 - Call Multiple Timeshard-
amazonbloombergfacebook
Dungeon Gamehard-
amazongooglemicrosoft
Department Top Three Salaries Problemhard-
adobeamazongoogle
Best Time To Buy And Sell Stock 4 - at most k timeshard-
amazonapplebloomberg
Word Search 2 - Return All Wordshard
airbnbamazonapple
Shortest Palindrome 1 - Prepending charactershard-
adobeamazonbloomberg
Skyline Problemhard-
adobeamazonapple
Basic Calculator 1hard-
adobeamazonbloomberg
Number of Digit Onehard-
amazonapple
Sliding Window Maximumhard-
adobealibabaamazon
Trips and Usershard-
amazonuber
Alien Dictionaryhard-
airbnbamazonapple
Closest Binary Search Tree Value IIhard-
amazonfacebookforusall
Integer to English Wordshard
amazonapplebarclays
Find Median from Data Streamhard
adobeamazonapple
Best Meeting Pointhard-
amazonfacebookgoogle
Serialize and Deserialize Binary Treehard
amazonapplebloomberg
Remove Invalid Parentheses Problemhard-
amazonapplebloomberg
Number of Islands IIhard-
amazonfacebookgoogle
Burst Balloonshard-
adobeamazonfacebook
Count of Smaller Numbers After Selfhard-
adobeamazonapple
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