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Balance Parentheses with Minimum Insertions and Deletionshard-
facebook
Median of Two Sorted Arrayshard-
adobeairbnbalibaba
Regular Expression Matchinghard-
adobeairbnbalibaba
Merge K Sorted Listshard
adobeairbnbalibaba
Number of Ways to Rearrange Sticks With K Sticks Visiblehard-
facebook
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
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
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
Word Break 2 - Construct a sentencehard
amazonappleaudible
Find Minimum in Rotated Sorted Array 2 - Duplicates allowedhard-
adobeamazonfacebook
Read N Characters Given Read4 2 - Call Multiple Timeshard-
amazonbloombergfacebook
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
Sliding Window Maximumhard-
adobealibabaamazon
Strobogrammatic Number 3 - Count in Rangehard-
facebookgoogle
Paint House 2 - N houses with k colors with no two adjacent houses with same color colorhard-
facebookgooglelinkedin
Alien Dictionaryhard-
airbnbamazonapple
Closest Binary Search Tree Value IIhard-
amazonfacebookforusall
Integer to English Wordshard
amazonapplebarclays
Expression Add Operatorshard-
applebytedancefacebook
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
Shortest Distance from All Buildingshard-
amazonbytedancefacebook
Longest Increasing Path in a Matrixhard-
adobeamazonapple
Reconstruct Itineraryhard-
amazonapplebloomberg
Palindrome Pairshard-
airbnbamazonapple
Data Stream as Disjoint Intervalshard-
amazonfacebookgoogle
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