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46 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)Database(305)Networking(0)Object Oriented Design(31)Programming Languages(5)System Design(0)Algorithms(3944)

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Title	Difficulty	Videos	Companies
Product Sales Analysis I	easy	-	amazon
Combine Two Tables Problem	easy	-	adobe amazon apple
Second Highest Salary Problem	medium	-	adobe amazon apple
Nth Highest Salary Problem	medium	-	adobe amazon apple
Rank Scores	medium	-	adobe amazon apple
Consecutive Numbers Problem	medium	-	amazon apple
Employees Earning More Than Their Managers Problem	easy	-	adobe amazon apple
Customers Who Never Order Problem	easy	-	amazon
Department Highest Salary Problem	medium	-	amazon apple oracle
Department Top Three Salaries Problem	hard	-	adobe amazon google
Delete Duplicate Emails Problem	easy	-	amazon
Trips and Users	hard	-	amazon uber
Managers with at Least 5 Direct Reports Problem	medium	-	amazon bloomberg
Find Cumulative Salary of an Employee	hard	-	amazon
Find Customer Referee Problem	easy	-	amazon
Customer Placing the Largest Number of Orders Problem	easy	-	amazon twitter
Human Traffic of Stadium	hard	-	adobe amazon uber
Students Report By Geography	hard	-	amazon
Exchange Seats Problem	medium	-	amazon
Longest Duplicate Substring Problem	hard	-	amazon apple google
Customers Who Bought All Products	medium	-	amazon
Actors and Directors Who Cooperated At Least Three Times Problem	easy	-	amazon
Product Sales Analysis II	easy	-	amazon
Product Sales Analysis III	medium	-	amazon
Number of Submatrices That Sum to Target	hard	-	amazon google
Sales Analysis I	easy	-	amazon
Sales Analysis II	easy	-	amazon
Sales Analysis III	easy	-	amazon
Delete Nodes And Return Forest	medium		amazon google
As Far from Land as Possible	medium	-	amazon uipath
Reformat Department Table	easy	-	amazon google
Critical Connections in a Network	hard	-	adobe amazon google
Minimum Remove to Make Valid Parentheses	medium	-	amazon bloomberg bytedance
Average Selling Price	easy	-	amazon
All People Report to the Given Manager	medium	-	amazon google
Find the Team Size	easy	-	amazon
List the Products Ordered in a Period	easy	-	amazon
Minimum Difficulty of a Job Schedule	hard	-	amazon turvo
Maximum Product of Splitted Binary Tree	medium	-	amazon bytedance microsoft
Students With Invalid Departments	easy	-	amazon
Largest Multiple of Three	hard	-	amazon
NPV Queries	easy	-	amazon
Sales by Day of the Week	hard	-	amazon
Friendly Movies Streamed Last Month	easy	-	amazon
Customer Order Frequency	easy	-	amazon
Split Message Based on Limit Problem	hard	-	amazon uber