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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
Sort Characters By Frequencymedium-
amazonbloombergexpedia
Minimum Number of Arrows to Burst Balloonsmedium-
amazonfacebookgoogle
Minimum Moves to Equal Array Elementsmedium-
amazonapplecoursera
4Sum 2 - 4 Different Arraysmedium-
apple
Assign Cookieseasy-
132 Patternmedium-
amazonfacebookgoogle
Circular Array Loopmedium-
googlemicrosoftnutanix
Poor Pigshard-
Repeated Substring Patterneasy-
amazongooglemicrosoft
LFU Cachehard-
adobealibabaamazon
Hamming Distanceeasy-
amazonfacebook
Minimum Moves to Equal Array Elements IImedium-
Island Perimetereasy
amazonapplebloomberg
Can I Winmedium-
googlelinkedin
Optimal Account Balancinghard-
amazonbytedancegoogle
Count The Repetitionshard-
amazon
Unique Substrings in Wraparound Stringmedium-
googlemaq-software
Validate IP Addressmedium-
amazonciscofacebook
Convex Polygonmedium-
google
Implement Rand10() Using Rand7()medium-
applebloombergbytedance
Encode String with Shortest Lengthhard-
google
Concatenated Wordshard-
amazonappleaudible
Matchsticks to Squaremedium-
amazonrackspace
Ones and Zeroesmedium-
google
Heaters Problemmedium-
amazongoogle
Number Complementeasy
cloudera
Total Hamming Distancemedium-
facebookgoogle
Generate Random Point in a Circlemedium-
facebookleap-motion
Largest Palindrome Producthard-
appleyahoo
Sliding Window Medianhard-
amazonapplefacebook
Magical Stringmedium-
google
License Key Formattingeasy-
googletwitter
Smallest Good Base Problemhard-
google
Find Permutationmedium-
google
Max Consecutive Oneseasy-
amazongooglemicrosoft
Predict the Winnermedium-
amazonapplegoogle
Max Consecutive Ones IImedium-
googleyandex
Zuma Gamehard-
baidubloomberg
Robot Room Cleanerhard-
amazonfacebookgoogle
The Maze 1 - Can the Ball Stop at Destinationmedium-
amazonapplefacebook
Non-decreasing Subsequencesmedium-
facebookyahoo
Construct the Rectangleeasy-
Reverse Pairshard-
amazonbytedancegoogle
Target Summedium
facebookgooglemicrosoft
Teemo Attackingeasy-
riot-games
Next Greater Element 1easy-
amazonbloombergfacebook
Random Point in Non-overlapping Rectanglesmedium-
google
Diagonal Traversemedium-
amazonappleebay
The Maze 3 - Shortest Instructions to Reach the Holehard-
google
Keyboard Roweasy-
mathworks
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