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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
Determine Whether Matrix Can Be Obtained By Rotationeasy-
Reduction Operations to Make the Array Elements Equalmedium-
Minimum Number of Flips to Make the Binary String Alternatingmedium-
Minimum Space Wasted From Packaginghard-
The Latest Login in 2020easy-
Cutting Ribbonsmedium-
Page Recommendations IIhard-
Check if All the Integers in a Range Are Coveredeasy-
Find the Student that Will Replace the Chalkmedium
Largest Magic Squaremedium-
Minimum Cost to Change the Final Value of Expressionhard-
Redistribute Characters to Make All Strings Equaleasy-
Maximum Number of Removable Characters Problemmedium-
Merge Triplets to Form Target Tripletmedium-
The Earliest and Latest Rounds Where Players Competehard-
Find a Peak Element IImedium-
Depth of BST Given Insertion Ordermedium-
Largest Odd Number in Stringeasy-
The Number of Full Rounds You Have Playedmedium-
Count Sub Islandsmedium
Minimum Absolute Difference Queriesmedium-
Count Salary Categories Problemmedium-
Game of Nimmedium-
google
Remove One Element to Make the Array Strictly Increasingeasy-
Remove All Occurrences of a Substringmedium
Design Movie Rental Systemhard-
Maximum Product Difference Between Two Pairseasy-
Cyclically Rotating a Gridmedium-
Number of Wonderful Substringsmedium-
Count Ways to Build Rooms in an Ant Colonyhard-
Leetcodify Friends Recommendationshard-
Kth Smallest Subarray Summedium-
Leetcodify Similar Friendshard-
Build Array from Permutationeasy-
Eliminate Maximum Number of Monstersmedium-
Count Good Numbersmedium-
Longest Common Subpathhard-
Erect the Fence IIhard-
Count Square Sum Tripleseasy-
Nearest Exit from Entrance in Mazemedium-
Sum Gamemedium-
Minimum Cost to Reach Destination in Timehard-
Concatenation of Arrayeasy-
Unique Length-3 Palindromic Subsequencesmedium
Painting a Grid With Three Different Colorshard-
Merge BSTs to Create Single BSThard-
Check if String Is Decomposable Into Value-Equal Substringseasy-
Confirmation Ratemedium-
Maximum Number of Words You Can Typeeasy-
Add Minimum Number of Rungsmedium-
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