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289 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
3Sum - Classic	medium	-	microsoft
Amount of New Area Painted Each Day	hard	-
Brace Expansion	medium	-
Check if doubly linked list is palindrome	easy	-	google
Check if given array is Palindrome OR Not	medium	-
Check if given string is palindrome or not	easy
Find First Intersection Point Between Two Sorted Arrays	easy	-
Find the Index of the First Occurrence in a String	easy	-	adobe amazon apple
Find the Lexicographically Largest String From the Box II	hard	-
Longest Palindromic Substring	medium		adobe airbnb alibaba
Container With Most Water	medium		adobe amazon apple
3Sum0 - Find three elements in an array that sum to a zero	medium		adobe akuna-capital alibaba
3Sum - Closest	medium	-	adobe amazon apple
4Sum	medium	-	adobe amazon apple
Remove Nth Node From End of List	medium		adobe amazon apple
Longest Chunked Palindrome Decomposition	hard	-
Longest Common Prefix After at Most One Removal	medium	-
Longest Palindrome After Substring Concatenation I	medium	-
Longest Palindrome After Substring Concatenation II	hard	-
Maximum Number of Matching Indices After Right Shifts	easy	-
Minimize Absolute Difference	medium	-
Nearest larger number for index in an array	medium	-	google
Number of Ways to Rearrange Sticks With K Sticks Visible	hard	-	facebook
Path With Minimum Effort	medium	-
Process Tasks Using Servers	medium	-
Reverse the given Array without using built in function	easy	-
Shortest Matching Substring	hard	-
Smallest difference between two elements from two arrays	medium	-
Split Linked List into two halves fractionally given n	medium	-
Split Two Strings to Make Palindrome	medium	-
Splitting a String Into Descending Consecutive Values	medium	-
Remove duplicates from Sorted Array 1	easy		adobe amazon apple
Remove Element	easy		amazon bloomberg google
Next Permutation	medium	-	adobe amazon apple
Trapping Rain Water	hard	-	adobe affirm airbnb
Rotate Linked List to Right	medium	-	adobe airbnb amazon
Dutch National Flag DNF	medium		amazon apple bloomberg
Remove duplicates from Sorted Array 2	medium	-	amazon facebook google
Remove duplicates from Sorted List 2	medium		adobe amazon apple
Partition List	medium	-	amazon apple linkedin
Merge Two Sorted Arrays	easy	-	adobe amazon apple
Best Time To Buy And Sell Stock 1 - only one transaction	easy		adobe akuna-capital alibaba
Valid Palindrome	easy		adobe amazon apple
Linked List Cycle 1 - Detect Cycle	easy		adobe amazon apple
Linked List Cycle 2 - Find Start of a Cycle	medium	-	adobe amazon apple
Reorder List such that i-th element points to n-i-th element	medium		adobe amazon apple
Sort a Linked List	medium	-	adobe amazon bytedance
Reverse Words in a String	medium	-	amazon apple bloomberg
Intersection of Two Linked Lists	easy	-	airbnb alibaba amazon
Friend Words - One Edit Distance	medium	-	amazon facebook google

Showing 1 to 50 of 289 results