Title Difficulty Companies Videos
Smallest sparse number greater than or equal to N Hard oracle
Binary Search Tree BST Operations - Delete Medium amazon apple bloomberg cisco facebook google linkedin microsoft oracle uber yahoo
Construct Binary Search Tree BST from Preorder Traversal Medium amazon facebook microsoft oracle
K closest Points to Origin Medium amazon apple asana ebay expedia facebook goldman-sachs google linkedin microsoft oracle paypal uber visa yahoo
Pacific Atlantic Water Flow Medium amazon apple bloomberg facebook google microsoft oracle
Task Scheduler Medium amazon apple bloomberg facebook google microsoft nutanix oracle pinterest uber vmware
Top K Frequent Elements Medium amazon apple bloomberg bytedance ebay facebook goldman-sachs google hulu linkedin microsoft oracle pocket-gems snapchat spotify uber vmware yahoo yelp
Interval List Intersections Medium amazon apple bloomberg cruise-automation doordash facebook google oracle pinterest snapchat uber
Rectangle Overlap Easy adobe amazon apple bloomberg goldman-sachs google mathworks microsoft oracle
Lucky Numbers in a Matrix Problem Easy oracle
Reverse Substrings Between Each Pair of Parentheses Problem Medium adobe oracle postmates
Accounts Merge Medium amazon apple bloomberg facebook google houzz linkedin microsoft oracle
Implement Power Function 1 Medium adobe amazon apple asana bloomberg ebay facebook goldman-sachs google linkedin microsoft morgan-stanley oracle uber vmware
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
Longest Duplicate Substring Problem Hard amazon apple google microsoft oracle
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 Preorder Traversal Medium adobe amazon apple bloomberg bytedance citadel facebook google microsoft oracle square twitter yahoo
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
Jump Game 2 - Get min jumps Medium adobe amazon apple facebook google huawei microsoft nutanix oracle uber
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
Pascal’s Triangle 2 - Return nth row Easy amazon goldman-sachs google oracle qualtrics
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
Remove K Digits Problem Medium adobe amazon bloomberg bytedance didi facebook google microsoft nutanix oracle snapchat vmware
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
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
Valid Sudoku Problem Medium adobe amazon apple bloomberg cruise-automation doordash facebook google microsoft oracle pinterest roblox salesforce snapchat twitter uber vmware
Validate Binary Search Tree Medium adobe amazon apple asana atlassian bloomberg bytedance capital-one ebay facebook goldman-sachs google linkedin mathworks microsoft oracle salesforce sap tripadvisor uber visa vmware yahoo yandex
Word Break 2 - Construct a sentence Hard amazon apple audible bloomberg bookingcom dropbox ebay facebook google microsoft oracle pinterest snapchat twitter uber zillow
Remove All Adjacent Duplicates In String 1 Easy amazon bloomberg facebook google oracle paypal paytm
Find Duplicate Subtrees Medium amazon bloomberg facebook google lyft microsoft oracle uber
Most Common Word Problem Easy amazon apple google microsoft oracle
Max Area of Island Problem Medium adobe affirm amazon apple bloomberg bytedance cruise-automation doordash facebook google intuit mathworks microsoft oracle palantir-technologies qualtrics twitch uber wish zillow
Check Completeness of a Binary Tree Medium amazon bytedance facebook google microsoft oracle
Subarray Sum Equals K Medium adobe amazon apple bloomberg ebay expedia facebook goldman-sachs google indeed linkedin microsoft oracle quora snapchat twilio uber wish yahoo yandex
Add Strings Problem Easy adobe airbnb amazon apple bloomberg bytedance facebook google microsoft nvidia oracle snapchat square
Path Sum 3 - Count paths from parent to child Medium amazon bloomberg facebook microsoft oracle quora uber zillow
Maximum Subarray Sum Medium adobe alibaba amazon apple asana atlassian bloomberg bytedance capital-one cisco citadel ebay expedia facebook goldman-sachs google ibm intel jpmorgan linkedin microsoft morgan-stanley nvidia oracle palantir-technologies paypal qualcomm salesforce sap two-sigma uber visa wayfair yahoo zillow
Find the Index of the First Occurrence in a String Easy adobe amazon apple bloomberg citadel dropbox ebay facebook google microsoft oracle paypal pocket-gems vmware yahoo yandex
Time Based Key-Value Store Problem Medium amazon apple atlassian databricks facebook flexport google linkedin lyft microsoft netflix oracle square stripe sumologic twitter uber vmware zillow
Convert Binary Search Tree to Sorted Doubly Linked List Medium amazon bloomberg databricks facebook google lyft microsoft oracle uber vmware
Find Duplicate File in System Problem Medium amazon apple dropbox facebook google microsoft oracle vmware