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235 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
Amount of New Area Painted Each Day	hard	-
Brace Expansion	medium	-
Construct K Palindrome Strings	medium		uber
Find Most Frequent Vowel and Consonant	easy	-
Find the Most Common Response	medium	-
Find Valid Pair of Adjacent Digits in String	easy	-
Identify the Largest Outlier in an Array	medium	-
Increasing Decreasing String	easy	-
Letter Tile Possibilities	medium		google microsoft
Maximum Manhattan Distance After K Changes	medium	-
Maximum Number of Matching Indices After Right Shifts	easy	-
Minimum Deletions for At Most K Distinct Characters	easy	-
Minimum Operations to Make Character Frequencies Equal	hard	-
Smallest Palindromic Rearrangement II	hard	-
Transform Array by Parity	easy	-
Majority Element - Boyer–Moore majority vote algorithm	easy	-	adobe amazon apple
Majority Element 2 - With n by 3 definition	medium	-	adobe amazon apple
Bulls and Cows	medium	-	airbnb amazon google
Top K Frequent Elements	medium		amazon apple bloomberg
Rearrange String k Distance Apart	hard	-	amazon ebay facebook
Ransom Note	easy	-	amazon apple microsoft
First Unique Character in a String	easy	-	adobe amazon apple
Sort Characters By Frequency	medium	-	amazon bloomberg expedia
Number Complement	easy		cloudera
Longest Harmonious Subsequence	easy	-	apple liveramp
Task Scheduler	medium	-	amazon apple bloomberg
Top K Frequent Words	medium	-	adobe amazon apple
Reorganize String	medium	-	amazon apple ebay
Subdomain Visit Count	medium	-	amazon apple citrix
Most Common Word	easy	-	amazon apple google
Reordered Power of 2	medium	-
Uncommon Words from Two Sentences	easy		amazon expedia facebook
RLE Iterator	medium	-	amazon google wish
X of a Kind in a Deck of Cards	easy	-	google
3Sum With Multiplicity	medium	-	quora
Minimum Increment to Make Array Unique	medium		coursera ixl twitter
Satisfiability of Equality Equations	medium	-	sumologic
Subarrays with K Different Integers	hard	-	alibaba amazon goldman-sachs
Pairs of Songs With Total Durations Divisible by 60	medium	-	adobe amazon citrix
Grumpy Bookstore Owner	medium	-	nutanix
Distant Barcodes	medium	-	amazon bloomberg
Largest Values From Labels	medium	-	google
Delete Nodes And Return Forest	medium		amazon google
Divide Array Into Increasing Sequences	hard	-	google
Smallest Sufficient Team	hard	-	google
Number of Equivalent Domino Pairs	easy	-	amazon
Online Majority Element In Subarray	hard	-	google nutanix
Find Words That Can Be Formed by Characters	easy	-	amazon
Maximum Number of Balloons	easy	-	tesla wayfair
Critical Connections in a Network	hard	-	adobe amazon google

Showing 1 to 50 of 235 results