All Problems

45 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)

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TitleDifficultyVideosCompanies
Boolean Parenthesization Problemhard-
quantcast
Breaking an integer into the sum of pairwise distinct positive integersmedium-
Coin Change with Fewest Number of Coins Given Canonical System and Infinite Supplymedium-
google
Find the smallest subarray with a sum greater than a given integermedium-
Given an array count max number of surpassersmedium-
Kadane's Algorithm for Maximum Subarray Summedium
Maximize gems collected with an even number of red housesmedium-
Maximizing Revenue in Online Ad Placementeasy-
Maximum gain in a two-player game with picking elements from array endsmedium-
Maximum in a Binary Treeeasy-
Maximum of Number of Unique elements in a sliding windoweasy-
Maximum Pairwise Product 1 - Given only Positive Integerseasy-
Maximum Pairwise Product 2 - Find pair with maximum product in array of Integersmedium-
Maximum Product Cuttingmedium-
epic-systemsmicrosoftnetapp
Min Queueeasy-
Minimum and Maximum in the Arrayeasy-
Minimum Distance Between Two Elements in an Arrayeasy-
Minimum Length Root to Leaf Binary Tree Path for Given Summedium-
Second largest element in binary search treemedium-
dropbox
Minimum Path Sum in matrixmedium-
adobeamazonapple
Minimum Window Substringhard
adobeairbnbamazon
Largest Rectangle in Histogramhard-
adobeamazonbloomberg
Maximal Rectanglehard-
adobeamazonbloomberg
Maximum Depth of Binary Treeeasy
adobeamazonapple
Minimum Depth of Binary Treeeasy-
amazonapplefacebook
Maximum Triangle path sum from top to bottomeasy-
google
Minimum Triangle path sum from top to bottommedium-
amazonapplebloomberg
Best Time To Buy And Sell Stock 1 - only one transactioneasy
adobeakuna-capitalalibaba
Best Time To Buy And Sell Stock 2 - Any number of timesmedium-
adobeamazonapple
Best Time To Buy And Sell Stock 3 - at most twicehard-
amazonappleatlassian
Maximum Points on a Linehard-
amazonapplebloomberg
Maximum Product Subarraymedium
adobeakuna-capitalalibaba
Find Minimum in Rotated Sorted Arraymedium
amazonapplebloomberg
Find Minimum in Rotated Sorted Array 2 - Duplicates allowedhard-
adobeamazonfacebook
Min Stackmedium-
adobeamazonapple
Best Time To Buy And Sell Stock 4 - at most k timeshard-
amazonapplebloomberg
House Robbermedium
adobeairbnbamazon
Minimum Size Subarray Summedium-
amazonapplebloomberg
Maximal Squaremedium-
adobeairbnbamazon
Shortest Word Distance 1easy-
amazongooglelinkedin
Least Number of Perfect Squares that Sums to nmedium-
adobeamazonapple
Maximum Product of Word Lengthsmedium-
google
Coin Change with Fewest Number of Coins Given Infinite Supplymedium
adobeaffirmairbnb
Maximum Product of Three Numberseasy-
amazonapplebloomberg
Select Copy Paste 1 - Minimum operationsmedium
bloombergmicrosoft