Title Difficulty Companies Videos
Reverse Prefix of Word Easy
Given a binary search tree with 2 nodes swapped find number of pairs not following BST properties Easy
Permutations of Array 2 - Array has duplicates Medium adobe amazon apple bloomberg facebook linkedin microsoft uber vmware
Combination Sum 4 - All permutations Medium amazon facebook google snapchat visa
Implement multiplication, subtraction, and division using only addition
Continuous Subarray Sum Medium amazon bytedance facebook google microsoft samsung
Implement Power Function 1 Medium adobe amazon apple asana bloomberg ebay facebook goldman-sachs google linkedin microsoft morgan-stanley oracle uber vmware
Maximum Points on a Line Hard amazon apple bloomberg directi google inmobi linkedin microsoft tripadvisor twitter uber
Missing Number Easy adobe amazon apple arista-networks bloomberg facebook google ibm microsoft oracle servicenow vmware zillow
Reverse Integer Problem Medium adobe amazon apple barclays bloomberg cisco facebook google jpmorgan lyft microsoft netease oracle uber yahoo
Palindrome Number Problem Easy adobe amazon apple bloomberg facebook google hcl jpmorgan microsoft oracle yahoo
Additive Number Problem Medium epic-systems
Check If a String Can Break Another String Problem Medium
Check if One String Swap Can Make Strings Equal Easy
Custom Sort String Problem Medium amazon facebook google uber
Delete and Earn Problem Medium akuna-capital pocket-gems uber
Determine if Two Strings Are Close Problem Medium
Edit Distance - Insert, Delete, no replace
Find Longest Awesome Substring Problem Hard
Friend Words - One Edit Distance Medium amazon facebook google microsoft snapchat twitter uber
Largest Odd Number in String Problem Easy
Largest Substring Between Two Equal Characters Problem Easy
Longest Common Subsequence LCS of Three Sequences Hard youtube
Longest Duplicate Substring Problem Hard amazon apple google microsoft oracle
Longest Happy Prefix Problem Hard google
Minimum Number of Removals to Make Mountain Array Problem Hard
Search a long string for small strings in an array Hard
Shortest Common Supersequence Hard microsoft
Split Message Based on Limit Problem Hard amazon uber
Z Algorithm String Searching
Balanced Binary Tree Problem Easy adobe amazon apple bloomberg bytedance cisco facebook google microsoft
Best Team With No Conflicts Medium
Best Time To Buy And Sell Stock With Cooldown Medium amazon apple facebook google
Binary Tree Path Sum - Maximum between any two nodes Hard adobe amazon appdynamics apple baidu bloomberg bytedance facebook google intuit microsoft twitter uber vmware
Binary Tree Traversal - Zigzag Level Order Traversal Medium amazon apple bloomberg bytedance ebay facebook google linkedin microsoft oracle qualtrics samsung servicenow yahoo
Binary Tree Upside Down Medium google linkedin
Boyer-Moore String Searching
Buddy Strings Problem Easy google
Calculate the Binomial Coefficient
Calculating the mean and median of an unsorted array uber
Check if Move is Legal Problem Medium
Check if Word Equals Summation of Two Words Problem Easy
Cherry Pickup Hard adobe akuna-capital amazon apple citrix flipkart google mathworks oracle uber
Cherry Pickup II Hard google
Construct Binary Tree from Inorder and Postorder Traversal Medium amazon bloomberg facebook google mathworks microsoft twitter
Construct Binary Tree from Inorder and Preorder Traversal Medium adobe amazon apple bloomberg bytedance citadel facebook google microsoft oracle square twitter yahoo
Contains Duplicate 2 - within k distance Easy adobe airbnb amazon apple bloomberg google microsoft palantir-technologies
Contains Duplicate 3 - within k distance and t difference Hard adobe airbnb apple google microsoft palantir-technologies
Convert Sorted List into a height-balanced Binary search Tree Medium amazon bloomberg facebook google lyft microsoft oracle vmware zenefits
Count Inversions - Count Smaller on Right Medium google