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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
Human Traffic of Stadiumhard-
adobeamazonuber
Friend Requests II - Who Has the Most Friendsmedium-
facebook
Consecutive Available Seatseasy-
Design Compressed String Iteratoreasy-
amazongoogle
Can Place Flowerseasy-
amazonciscofacebook
Construct String from Binary Treemedium-
amazon
Sales Person Problemeasy-
Tree Node Leetcode Database Problemmedium-
twitter
Find Duplicate File in Systemmedium-
amazonappledropbox
Triangle Judgement Problemeasy-
Valid Triangle Numbermedium-
amazonbloombergexpedia
Shortest Distance in a Planemedium-
microsoft
Shortest Distance Problemeasy-
Second Degree Followermedium-
databricksfacebook
Average Salary - Departments VS Companyhard-
Add Bold Tag in Stringmedium-
facebookgooglewish
Merge Two Binary Treeseasy-
adobeamazonapple
Students Report By Geographyhard-
amazon
Leetcode 619 - Biggest Single Number Problemeasy-
Not Boring Movies Problemeasy-
Task Schedulermedium-
amazonapplebloomberg
Design Circular Queuemedium-
airbnbamazonapple
Add One Row to Treemedium-
gilt-groupe
Maximum Distance in Arraysmedium
yahoo
Minimum Factorizationmedium-
tencent
Exchange Seats Problemmedium-
amazon
Swap Salary Problemeasy-
Maximum Product of Three Numberseasy-
amazonapplebloomberg
K Inverse Pairs Arrayhard-
works-applications
Course Schedule 3hard-
googlemicrosoftworks-applications
Design Excel Sum Formulahard-
amazonmicrosoft
Smallest Range Covering Elements from K Listshard-
amazonapplefacebook
Sum of Square Numbersmedium
linkedin
Find the Derangement of An Arraymedium-
amazonixl
Design Log Storage Systemmedium-
amazongooglesnapchat
Exclusive Time of Functionsmedium-
amazonapplefacebook
Average of Levels in Binary Treeeasy-
amazonfacebook
Shopping Offersmedium-
google
Decode Ways IIhard-
facebookgoogle
Solve the Equationmedium-
amazongoogleuber
Design Circular Dequemedium
facebook
Design Search Autocomplete Systemhard-
amazonapplebloomberg
Maximum Average Subarray Ieasy-
googlemicrosoft
Maximum Average Subarray IIhard-
google
Set Mismatcheasy-
amazon
Maximum Length of Pair Chainmedium-
amazonbloombergfacebook
Palindromic Substringsmedium
adobeamazonapple
Replace Wordsmedium-
uber
Dota2 Senatemedium-
valve
Select Copy Paste 1 - Minimum operationsmedium
bloombergmicrosoft
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