All Problems

4301 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
Graph Representation - Adjacency List and Mapmedium-
Highway Billboardmedium-
microsoftnetappyahoo
Hotel Reviewsmedium-
booking
Huffman Tree Character Encodingeasy-
amazon
Identify the Largest Outlier in an Arraymedium-
Implement 3 stacks in 1 arraymedium-
Implement 3 stacks in 1 listhard-
microsoft
Implement a 2D iterator classmedium-
uber
Implement a bit arraymedium-
amazon
Implement Arithematic Operators Using Bit Manipulationmedium-
Implement circular linked listmedium-
Implement circular stackmedium-
Implement Elo Rating Systemmedium-
facebook
Implement Exponentiation using Bitwise Operatormedium-
Implement Hierarchical Locking System for Tree Structuresmedium-
Implement insertion sort on stackmedium-
Implement Job Scheduler with Delay Function Executionmedium-
apple
Implement multiplication, subtraction, and division using only additionmedium-
Implement Power Function 2easy-
Implement queue using dequeeasy-
Implement queue using linked listeasy-
Implement queue using resizing arrayeasy-
Implement rand0to6() Using rand01()medium-
Implement rand3() using rand2()medium-
Implement rand5() using rand7()easy-
two-sigma
Implement rand7() using rand5()medium-
two-sigma
Implement Routermedium-
Implement selection sort on stackmedium-
Implement stack using an arrayeasy-
Implement stack using dequeeasy-
Implement stack using linked listeasy-
Implement stack using priority queueeasy-
adobemicrosoftamazon
Implement stack using resizing of arrayeasy-
Implementing a queue using a fixed-size arrayeasy-
Implementing car and cdr Functions for Pair Constructionmedium-
jane-street
Improve search in BST with sentinelmedium-
Increasing Decreasing Stringeasy-
Infinite Prime Generatormedium-
Inorder predecessor and successor of a node in binary search treemedium-
Inorder Successor in Binary Treemedium-
Insertion Sorteasy-
Integer Partition Algorithmmedium-
Integer to Binary numbereasy-
Interleave the first half of the stack with second half using one queuemedium-
Intersection of Two Sorted Arraysmedium-
Interval Scheduling Problemmedium-
Isolate the rightmost 1-biteasy-
Jaro-Winkler Algorithm for String Similaritymedium-
Job Sequencing Problemmedium-
K Centers Problemhard-
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