Title Difficulty Companies Videos
Implementing a queue using a fixed-size array Easy
Insert into a Binary Search Tree Medium amazon atlassian facebook google microsoft
Interval Scheduling Problem Medium
K closest Points to Origin Medium amazon apple asana ebay expedia facebook goldman-sachs google linkedin microsoft oracle paypal uber visa yahoo
Largest Divisible Subset Medium adobe amazon google
Left side view of a tree Medium
Longest Substring of One Repeating Character Hard
Longest Substring with Same Letters after Replacement Medium bloomberg google pocket-gems
Maximum Binary Tree Medium amazon facebook google microsoft
Maximum in a Binary Search Tree Easy
Maximum in a Binary Tree Easy
Min Queue Easy
Minimum in a Binary Search Tree Easy
Minimum Possible Integer After at Most K Adjacent Swaps On Digits Hard
My Calendar 3 Hard amazon google
Nodes at Distance k from Leaf Nodes in Binary Tree Medium
Nodes at Distance k from root in Binary Tree Medium
Non-overlapping Intervals Medium amazon apple bloomberg facebook google microsoft stripe
Number of Connected Components in an Undirected Graph Medium amazon facebook google linkedin microsoft twitter
Number of elements smaller than root in preorder traversal of a BST Medium
Pacific Atlantic Water Flow Medium amazon apple bloomberg facebook google microsoft oracle
Palindromic Substrings Medium adobe amazon apple atlassian citadel coursera facebook goldman-sachs google linkedin mathworks microsoft pure-storage roblox twitter uber vmware
Plus One 2 - Given number as Linked List plus one Medium amazon google
Postorder Node Iterator of Binary Tree Medium
Power of Three Easy apple goldman-sachs google hulu
Print or return all leaf nodes of a binary tree Easy
Print or return all the full nodes in a binary tree Easy
Print or return ancestors of a given node in binary tree Medium
Print or return nodes between two given levels in a binary tree Medium
Pseudo-Palindromic Paths in a Binary Tree Medium amazon
Range Sum Query - Immutable Easy amazon bloomberg facebook goldman-sachs google microsoft palantir-technologies
Rectangle Area 2 Hard google sumologic
Replace each node in BST with subtree sum and its value Medium
Right side view of a tree Medium
Robot Bounded In Circle Medium airbnb goldman-sachs paypal qualtrics twitter
Rotting Oranges Medium
Shortest path in Binary Search Tree that adds up to a given value Medium
Strange Printer Hard netease
Sum of k smallest elements in BST Medium
Sum of Two Integers Medium amazon apple facebook google hulu
Sum of two numbers using only bitwise operators Medium
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
Total sum excluding adjacent of a given node in BST Medium
Verify Preorder Serialization of a Binary Tree Medium google
Accepted Candidates From the Interviews Medium
Active Businesses Medium yelp
Add Bold Tag in String Medium facebook google wish gusto
Add Two Integers Easy
Add Two Polynomials Represented as Linked Lists Medium