Title Difficulty Companies Videos
Maximum Triangle path sum from top to bottom Easy google
Minimum Triangle path sum from top to bottom Medium amazon apple bloomberg goldman-sachs google houzz microsoft
Number Complement Easy cloudera
Word Search 1 - Find if word exists Medium adobe amazon apple bloomberg bytedance coupang coursera cruise-automation docusign facebook google intuit jpmorgan linkedin lyft microsoft oracle pinterest quantcast snapchat uber vmware yahoo zillow
Word Search 2 - Return All Words Hard airbnb amazon apple bloomberg bytedance cisco citadel facebook google houzz microsoft oracle roblox salesforce snapchat uber yahoo zillow
Longest Substring Without Repeating Characters Medium adobe alation alibaba amazon apple atlassian baidu bloomberg bytedance cisco coupang ebay expedia facebook goldman-sachs google huawei microsoft oracle paypal salesforce samsung sap snapchat spotify twitch uber vmware yahoo yandex yelp zillow zoho
Sum Root to Leaf Numbers Medium amazon bloomberg ebay facebook google microsoft
All Possible Full Binary Trees Problem Medium google oracle
Maximum Sum Circular Subarray Medium amazon facebook two-sigma uber
Calculate Hash Code for String
Top K Frequent Words Problem Medium adobe amazon apple atlassian bloomberg expedia facebook google linkedin microsoft oracle pocket-gems salesforce tripadvisor uber vmware yelp
H-Index 2 Problem Medium facebook
Weighted Graph Representation - Adjacency List of Pair and map
Coin Change with Fewest Number of Coins Given Canonical System and Infinite Supply Hard google
Delete non-tail Node in linked list, Given only access to that Node Medium adobe amazon apple bloomberg cisco facebook goldman-sachs google microsoft qualcomm yahoo
H-Index Problem Medium adobe bloomberg facebook google tripadvisor yahoo
Binary Tree Traversal - Vertical Order Traversal Medium adobe amazon bloomberg bytedance databricks expedia facebook google mathworks microsoft oracle reddit salesforce snapchat wish
Design Add and Search Words Data Structure Medium airbnb amazon apple ebay facebook google microsoft salesforce uber
Map-based Trie Implementation
Max Chunks to Make Sorted Problem Medium google microsoft uber
NSL - Nearest Smallest Element to Left of Every Element
NSR - Nearest Smaller Element to Right of every element
NGR - Nearest Greater Element to Right of every element
NGL - Nearest Greater Element to Left of every element
Score of Parentheses Problem Medium adobe amazon bytedance
Verify Preorder Sequence in Binary Search Tree Medium mathworks uber zenefits
Find right-most cousin in a binary tree
Number of Steps to Reduce a Number to Zero Problem Easy google hrt
Design Circular Queue Problem Medium airbnb amazon apple citadel cloudera facebook google microsoft oracle splunk
Graph Representation - Adjacency List and Map
Graph Representation - Adjacency List (with isDirected)
Path with Maximum Probability Problem Medium google
Find the City With the Smallest Number of Neighbors at a Threshold Distance Problem Medium uber
Average Waiting Time Problem Medium
Richest Customer Wealth Problem Easy
Camelcase Matching Problem Medium amazon google
Best Time To Buy And Sell Stock - Any number of times - Overlapping Transactions Medium
Car Fleet Problem Medium google
Maximum Length of a Concatenated String with Unique Characters Medium honey microsoft tesla
Check If Two String Arrays are Equivalent Problem Easy
Minimum Remove to Make Valid Parentheses Medium amazon bloomberg bytedance facebook google microsoft
Serialize and Deserialize N-Ary Tree Hard amazon apple ebay facebook google linkedin microsoft pinterest uber
Minimum Interval to Include Each Query Hard
Median of Two Sorted Array of Equal or Same Size Medium
4Sum - Output in Sorted Order
4Sum 2 - 4 Different Arrays Medium apple
Remove Covered Intervals Medium amazon
Longest Happy String Problem Medium amazon wayfair
Find minimum difference Element in sorted array
Open the Lock Problem Medium amazon bloomberg facebook google uber