Title Difficulty Companies Videos
Repeated Substring Pattern Problem Easy amazon google microsoft
Paint House 1 - N houses with 3 colors with no two adjacent houses with same color Medium apple linkedin microsoft tencent twitter
Course Schedule 3 Problem Hard google microsoft works-applications
Moving Average of Last N numbers in a Stream Easy amazon appdynamics bloomberg facebook google indeed microsoft twitter uber
Design HashMap Problem Easy adobe amazon apple atlassian dell facebook goldman-sachs google linkedin microsoft nvidia oracle reddit salesforce servicenow tableau twitter uber vmware
Basic Calculator 3 Problem Hard amazon apple bytedance doordash facebook google houzz hulu jingchi microsoft pinterest pocket-gems snapchat uber
Basic Calculator 2 Problem Medium airbnb amazon apple atlassian doordash ebay facebook google houzz indeed intuit ixl microsoft oracle paypal postmates reddit snapchat tableau tencent uber
Basic Calculator 1 Problem Hard adobe amazon bloomberg facebook google indeed intuit jump-trading karat microsoft paypal pinterest robinhood roblox snapchat uber
Add Digits in Number Problem Easy adobe apple bloomberg microsoft
Reverse Linked List 2 - between m and n Medium adobe amazon apple bloomberg bytedance docusign facebook google microsoft oracle
Minimum Triangle path sum from top to bottom Medium amazon apple bloomberg goldman-sachs google houzz microsoft
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
Top K Frequent Words Problem Medium adobe amazon apple atlassian bloomberg expedia facebook google linkedin microsoft oracle pocket-gems salesforce tripadvisor uber vmware yelp
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
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
Max Chunks to Make Sorted Problem Medium google microsoft uber
Design Circular Queue Problem Medium airbnb amazon apple citadel cloudera facebook google microsoft oracle splunk
Maximum Length of a Concatenated String with Unique Characters Medium honey microsoft tesla
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
Trim a Binary Search Tree BST Medium adobe amazon apple bloomberg facebook google microsoft yahoo
Flatten Binary Tree to Linked List in Order of Preorder Traversal Medium adobe amazon apple bloomberg bytedance coupang databricks facebook google microsoft nvidia oracle uber yahoo
Encode and Decode TinyURL Problem Medium adobe amazon bloomberg facebook google microsoft oracle uber
Decode String Problem Medium alibaba amazon appdynamics apple atlassian bloomberg bytedance cisco coupang cruise-automation ebay facebook google huawei hulu microsoft oracle salesforce snapchat tencent vmware yahoo yelp
Partition Equal Subset Sum Medium amazon apple ebay facebook google microsoft paypal uber vmware yahoo
Convert BST to Greater Sum Tree Medium amazon apple microsoft uber
Rotate String Problem Easy amazon apple ebay google linkedin microsoft oracle