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384 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
Array With Elements Not Equal to Average of Neighbors	medium	-
Binary Search Without Multiplication, Division and Bit-shift Operations	hard	-	netflix
Can Make Palindrome from Substring	medium	-
Closest Equal Element Queries	medium	-
Count elements in range in sorted matrix	hard	-	google
Count frequency of target element in sorted array	medium	-
Create Sorted Array through Instructions	hard	-
Design an Array Statistics Tracker	hard	-
Find a Value of a Mysterious Function Closest to Target	hard	-
Find smallest missing number in sorted array	easy	-
Fruits Into Baskets II	easy	-
Fruits Into Baskets III	medium	-
Implement Router	medium	-
Median of Two Sorted Arrays	hard	-	adobe airbnb alibaba
Maximize Active Section with Trade II	hard	-
Maximize the Distance Between Points on a Square	hard	-
Maximize the Minimum Game Score	hard	-
Maximum Coins From K Consecutive Bags	medium	-
Maximum Number of Matching Indices After Right Shifts	easy	-
Maximum Score of Non-overlapping Intervals	hard	-
Median of K sorted array	hard	-	uber
Minimize the Maximum Edge Weight of Graph	medium	-
Minimum Threshold for Inversion Pairs Count	medium	-
Path Existence Queries in a Graph I	medium	-
Path Existence Queries in a Graph II	hard	-
Path With Minimum Effort	medium	-
Process Tasks Using Servers	medium	-
Range Frequency Queries	medium	-
Search for Target in Bitonic Array	medium	-
Separate Squares I	medium	-
Separate Squares II	hard	-
Shortest Matching Substring	hard	-
Split Two Strings to Make Palindrome	medium	-
Search in Rotated Sorted Array	medium		adobe alibaba amazon
Find first and last positions of target element in sorted array	medium	-	airbnb amazon apple
Search Insert Position in sorted array	easy	-	adobe amazon apple
Square root of an integer	easy	-	amazon apple bloomberg
Search a 2D Matrix 1 - Elements sorted row-wise and first integer of each row is greater than last element of previous row is greater than last element of previous row	medium	-	adobe amazon apple
Search in Rotated Sorted Array 2 - Check if number exists - Duplicates allowed	medium	-	adobe amazon bloomberg
Find Minimum in Rotated Sorted Array	medium		amazon apple bloomberg
Find Minimum in Rotated Sorted Array 2 - Duplicates allowed	hard	-	adobe amazon facebook
Find Peak Element in a Given Array	medium	-	amazon apple bloomberg
2Sum 2 – Input array is sorted	medium		amazon apple bloomberg
Minimum Size Subarray Sum	medium	-	amazon apple bloomberg
Count Complete Tree Nodes	easy	-	amazon bloomberg bytedance
Search a 2D Matrix 2 - Rows and columns are sorted	medium	-	adobe amazon apple
3Sum Smaller	medium	-	google ibm mathworks
Missing Number	easy		adobe amazon apple
Closest Binary Search Tree Value	easy	-	amazon bloomberg facebook
H-Index 2	medium	-	facebook

Showing 1 to 50 of 384 results