All Problems

50 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
Count Non-Decreasing Subarrays After K Operations	hard	-
Delivering Boxes from Storage to Ports	hard	-
Design an Array Statistics Tracker	hard	-
Implement Router	medium	-
Implement stack using queues	easy	-	amazon bloomberg citadel
Implement Queue using Stacks	easy	-	amazon apple bloomberg
Sliding Window Maximum	hard	-	adobe alibaba amazon
Zigzag Iterator	medium	-	amazon apple cruise-automation
Flatten Nested List Iterator	medium	-	airbnb amazon apple
Moving Average of Last N numbers in a Stream	easy	-	amazon appdynamics bloomberg
Design Snake Game	medium	-	amazon apple bloomberg
Queue using Set of Fixed-Length Arrays	hard	-	netflix
Design Hit Counter	medium	-	affirm amazon apple
Design Phone Directory	medium	-	dropbox google microsoft
First Unique Character in a String	easy	-	adobe amazon apple
Design Circular Queue	medium	-	airbnb amazon apple
Design Circular Deque	medium		facebook
Dota2 Senate	medium	-	valve
K Empty Slots	hard	-	amazon google microsoft
Shortest Subarray with Sum at Least K	hard	-	amazon facebook goldman-sachs
Maximum Sum Circular Subarray	medium	-	amazon facebook two-sigma
Number of Recent Calls	easy	-	bloomberg google yandex
Stamping The Sequence	hard	-	facebook google uber
Reveal Cards In Increasing Order	medium	-	google microsoft
Minimum Number of K Consecutive Bit Flips	hard	-	akuna akuna-capital amazon
Product of the Last K Numbers	medium		google
Constrained Subsequence Sum	hard	-	akuna-capital
First Unique Number	medium	-	amazon
Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit Problem	medium	-	ebay google
Max Value of Equation	hard	-	google
Design Front Middle Back Queue	medium	-
Jump Game 6	medium	-
Number of Students Unable to Eat Lunch	easy	-
Find the Winner of the Circular Game	medium		bloomberg
Finding MK Average	hard	-
Maximum Number of Tasks You Can Assign	hard	-
Time Needed to Buy Tickets	easy	-
Number of People Aware of a Secret	medium	-
Maximum Number of Robots Within Budget	hard	-
Longest Increasing Subsequence II	hard	-
Count Subarrays With Fixed Bounds	hard	-
Find Consecutive Integers from a Data Stream	medium	-
Maximize the Minimum Powered City	hard	-
Time Taken to Cross the Door	hard	-
Continuous Subarrays	medium	-
Minimum Number of Coins for Fruits	medium	-
Find Maximum Non-decreasing Array Length	hard	-
Minimum Number of Coins for Fruits II	hard	-
Minimum Sum of Values by Dividing Array	hard	-
Minimum Operations to Make Binary Array Elements Equal to One I	medium	-

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