Title Difficulty Companies Videos
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
Friend Words - One Edit Distance Medium amazon facebook google microsoft snapchat twitter uber
Longest Duplicate Substring Problem Hard amazon apple google microsoft oracle
Shortest Common Supersequence Hard microsoft
Balanced Binary Tree Problem Easy adobe amazon apple bloomberg bytedance cisco facebook google microsoft
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
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 of Smaller Numbers After Self Hard adobe amazon apple bloomberg facebook google microsoft oracle uber
Count Primes Medium adobe amazon apple bloomberg capital-one ebay facebook goldman-sachs google intel microsoft oracle yahoo yandex
Find Median from Data Stream Hard adobe amazon apple atlassian bloomberg bytedance citadel ebay expedia facebook goldman-sachs google microsoft netflix oracle pinterest qualtrics salesforce snapchat twitter uber vmware yahoo
Find Peak Element in a Given Array Medium amazon apple bloomberg bytedance facebook google ixl lyft microsoft quora uber vmware yahoo
Find the Closest Palindrome Problem Hard amazon facebook google microsoft nutanix pinterest uber yelp
Finding N-th Smallest Sum from Two Sorted Arrays microsoft
First Unique Character in a Stream of Characters Medium amazon google microsoft
Generate Nth Fibonacci Number Easy amazon apple barclays facebook mathworks microsoft sap yahoo
Gray Code Medium amazon apple microsoft
Jump Game 2 - Get min jumps Medium adobe amazon apple facebook google huawei microsoft nutanix oracle uber
Knight Dialer Medium box citadel facebook google microsoft pinterest twilio
Largest Rectangle in Histogram Hard adobe amazon bloomberg facebook flipkart google microsoft twitter
Least Number of Perfect Squares that Sums to n Medium adobe amazon apple cisco ebay facebook godaddy google grammarly linkedin lyft microsoft uber yandex
Max Chunks To Make Sorted 2 Problem Hard google microsoft
Maximum Size Subarray Sum equals K Medium amazon facebook google microsoft palantir-technologies
Merge K Sorted Lists Hard adobe airbnb alibaba amazon apple atlassian audible bloomberg box bytedance cisco cohesity cruise-automation ebay facebook goldman-sachs google indeed ixl linkedin lyft mathworks microsoft nvidia oracle salesforce sap tableau twitter uber vmware wish yahoo yandex zillow
Odd Even Linked List - Bring odd nodes first and even later Medium amazon bloomberg capital-one ebay facebook google microsoft
Palindrome Permutation Easy amazon apple bloomberg facebook google microsoft uber
Partition List Problem Medium amazon apple linkedin microsoft
Partition to K Equal Sum Subsets Problem Medium amazon bytedance ebay facebook google houzz linkedin microsoft pinterest vmware
Peeking Iterator Medium amazon apple atlassian ebay facebook google microsoft oracle yahoo
Populate next pointer to right node in Binary Tree Medium amazon bloomberg facebook google microsoft oracle
Reconstruct Itinerary Problem Hard amazon apple bloomberg citadel facebook goldman-sachs google microsoft qualtrics snapchat square twilio uber yandex yelp
Remove K Digits Problem Medium adobe amazon bloomberg bytedance didi facebook google microsoft nutanix oracle snapchat vmware
Reverse Words in a String 2 Medium amazon google microsoft uber vmware
Reverse Words in a String 3 Easy amazon apple bloomberg microsoft paypal salesforce snapchat yahoo zappos
Rotate n x n matrix by 90 degrees Medium adobe akuna-capital amazon apple bloomberg cisco facebook google groupon houzz lyft microsoft nvidia palantir palantir-technologies quora salesforce uber wish yandex
Search in Rotated Sorted Array 2 - Check if number exists - Duplicates allowed Medium adobe amazon bloomberg facebook google microsoft
Select Copy Paste Problem 1 - Minimum operations Medium bloomberg microsoft
Serialize and Deserialize Binary Tree Hard amazon apple bloomberg citadel ebay expedia facebook google groupon indeed linkedin microsoft oracle qualtrics quora salesforce snapchat tableau uber vmware yahoo
Shortest Palindrome 1 - Prepending characters Hard adobe amazon bloomberg facebook google microsoft oracle pocket-gems
Spiral Matrix 1 - Return Medium adobe amazon apple bloomberg bytedance cisco drawbridge ebay epic-systems facebook goldman-sachs google hulu linkedin microsoft oracle paypal quip robinhood snapchat uber visa
Square root of an integer Easy amazon apple bloomberg facebook google huawei linkedin lyft microsoft qualtrics uber wayfair
Sudoku Solver Problem Hard adobe amazon apple arista-networks doordash dropbox expedia facebook google microsoft oracle riot-games roblox snapchat uber vmware wish
Swap Nodes in Pairs Medium adobe amazon apple bloomberg ebay facebook google lyft microsoft oracle sap uber
Unique BSTs 2 - Generate Medium adobe amazon apple facebook microsoft yahoo