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329 problems total

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TitleDifficultyVideosCompanies
Arrange Given Number To Form The Biggest Number Possiblemedium-
uber
Balanced delimiters in an expressioneasy-
uber
Calculating the mean and median of an unsorted arrayeasy-
uber
Construct K Palindrome Stringsmedium
uber
Decode a string to all valid interpretationsmedium-
uber
Election Voting Machine Monitoreasy-
uber
Find Deepest Node in a Binary Treeeasy-
googleuber
Implement a 2D iterator classmedium-
uber
Two Sumeasy
adobeaetionaffirm
Add Two Numbers represented as Linked List in Reversed Ordermedium-
adobeaetionairbnb
Longest Substring Without Repeating Charactersmedium
adobealationalibaba
Median of Two Sorted Arrayshard-
adobeairbnbalibaba
Longest Palindromic Substringmedium
adobeairbnbalibaba
Reverse Integermedium-
adobeamazonapple
Convert String to Integer atoimedium-
adobeamazonapple
Regular Expression Matchinghard-
adobeairbnbalibaba
Container With Most Watermedium
adobeamazonapple
Roman To Integereasy
adobeamazonapple
3Sum0 - Find three elements in an array that sum to a zeromedium
adobeakuna-capitalalibaba
3Sum - Closestmedium-
adobeamazonapple
Letter Combinations of a Phone Numbermedium-
amazonappleatlassian
Valid Parentheseseasy
adobeairbnbakuna-capital
Merge Two Sorted Linked Listseasy
adobeairbnbalibaba
Generate Parenthesesmedium-
adobealibabaamazon
Length of the longest path in a weighted treehard-
uber
Longest increasing subarraymedium-
uber
Median of K sorted arrayhard-
uber
Merge K Sorted Listshard
adobeairbnbalibaba
Object-Oriented Design for Task/Job Schedulerhard-
uber
OOD - Elevator Systemhard-
uber
Permutations of an Array of Arraysmedium-
uber
Stone Pyramid Constructionhard-
uber
Swap Nodes in Pairsmedium-
adobeamazonapple
Remove duplicates from Sorted Array 1easy
adobeamazonapple
Next Permutationmedium-
adobeamazonapple
Longest Valid Parentheseshard-
adobeamazonapple
Search in Rotated Sorted Arraymedium
adobealibabaamazon
Find first and last positions of target element in sorted arraymedium-
airbnbamazonapple
Valid Sudokumedium-
adobeamazonapple
Sudoku Solverhard-
adobeamazonapple
Combination Sum 1medium
airbnbakuna-capitalamazon
Combination Sum 2 - Cant Reuse same elementmedium-
adobeamazonapple
First Missing Positivehard-
adobeamazonapple
Trapping Rain Waterhard-
adobeaffirmairbnb
Multiply Stringsmedium-
amazonappleexpedia
Rotate n x n matrix by 90 degreesmedium
adobeakuna-capitalamazon
Jump Game 2 - Get min jumpsmedium-
adobeamazonapple
Permutations of Array 1medium-
adobeamazonapple
Permutations of Array 2 - Array has duplicatesmedium-
adobeamazonapple
Group Anagramsmedium
adobeaffirmamazon
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