All Problems

203 problems total

Array (1905)Sorting (440)Depth First Search (316)Database (301)Breadth First Search (241)Tree (240)Stack (172)Graph Theory (169)Linked List (81)Monotonic Stack (67)Queue (50)Recursion (48)Shortest Path (33)
All Topics(4301)Algorithms(3944)Database(305)Networking(0)Object Oriented Design(31)Programming Languages(5)System Design(0)

Filter by Difficulty:

EasyMediumHard

Tag:

Company:

Active filters:Difficulty: medium×Company: uber×
TitleDifficultyVideosCompanies
Arrange Given Number To Form The Biggest Number Possiblemedium-
uber
Construct K Palindrome Stringsmedium
uber
Decode a string to all valid interpretationsmedium-
uber
Implement a 2D iterator classmedium-
uber
Add Two Numbers represented as Linked List in Reversed Ordermedium-
adobeaetionairbnb
Longest Substring Without Repeating Charactersmedium
adobealationalibaba
Longest Palindromic Substringmedium
adobeairbnbalibaba
Reverse Integermedium-
adobeamazonapple
Convert String to Integer atoimedium-
adobeamazonapple
Container With Most Watermedium
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
Generate Parenthesesmedium-
adobealibabaamazon
Longest increasing subarraymedium-
uber
Permutations of an Array of Arraysmedium-
uber
Swap Nodes in Pairsmedium-
adobeamazonapple
Next Permutationmedium-
adobeamazonapple
Search in Rotated Sorted Arraymedium
adobealibabaamazon
Find first and last positions of target element in sorted arraymedium-
airbnbamazonapple
Valid Sudokumedium-
adobeamazonapple
Combination Sum 1medium
airbnbakuna-capitalamazon
Combination Sum 2 - Cant Reuse same elementmedium-
adobeamazonapple
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
Implement Power Function 1medium-
adobeamazonapple
Maximum Subarray Summedium
adobealibabaamazon
Spiral Matrix 1 - Returnmedium
adobeamazonapple
Jump Game 1 - Check if it reaches last indexmedium
adobeamazonapple
Merge Overlapping Intervalsmedium
adobealibabaamazon
Insert Intervalmedium
adobeamazonapple
Spiral Matrix 2 - Generatemedium
adobeamazonapple
Unique Paths in Grid 1 - Count all paths moving right or downmedium
adobealibabaamazon
Minimum Path Sum in matrixmedium-
adobeamazonapple
Edit Distancemedium-
adobeamazonapple
Search a 2D Matrix 1 - Elements sorted row-wise and first integer of each row is greater than last element of previous row is greater than last element of previous rowmedium-
adobeamazonapple
Dutch National Flag DNFmedium
amazonapplebloomberg
Subsets 1medium
adobeamazonapple
Word Search 1 - Find if word existsmedium
adobeamazonapple
Decode Waysmedium
adobeamazonapple
Interleaving Stringmedium-
amazonapplebloomberg
Validate Binary Search Treemedium
adobeamazonapple
Recover Binary Search Treemedium-
amazonbloombergfacebook
Binary Tree Level Order Traversal - Level by Levelmedium
adobeamazonapple
Flatten binary tree to linked list in order of preorder traversalmedium-
adobeamazonapple
Best Time To Buy And Sell Stock 2 - Any number of timesmedium-
adobeamazonapple
Showing 1 to 50 of 203 results
123...5Next