Title Difficulty Companies Videos
Path Sum 1 - Check if root to leaf path exists Easy adobe amazon apple bloomberg facebook microsoft oracle zillow uber
Remove duplicates from Sorted List 2 Medium adobe amazon apple bloomberg google microsoft paypal salesforce
Isomorphic Strings Easy adobe amazon bloomberg facebook google linkedin microsoft oracle salesforce yahoo yelp
Kth Largest Element in a Stream Easy adobe amazon apple bloomberg ebay facebook google microsoft nutanix
Number of 1 Bits Easy adobe amazon apple box cisco facebook google microsoft qualcomm
Unique Email Addresses Easy adobe amazon facebook google microsoft
Search Insert Position in sorted array Easy adobe amazon apple bloomberg google microsoft sap
Remove Linked List Elements Easy adobe amazon apple bloomberg capital-one facebook google microsoft paypal pure-storage uber
Min Stack Medium adobe amazon apple bloomberg ebay facebook flipkart goldman-sachs google groupon intuit linkedin lyft microsoft morgan-stanley netflix oracle pure-storage servicenow snapchat uber visa wish zenefits
Happy Number Easy adobe airbnb amazon apple bloomberg ebay evernote facebook google jpmorgan microsoft nutanix pinterest pure-storage twitter uber
First Unique Character in a String Easy adobe amazon apple bloomberg facebook goldman-sachs google huawei jpmorgan linkedin microsoft servicenow yahoo zillow zulily
Substring with Concatenation of All Words Hard adobe amazon apple bloomberg dropbox facebook google microsoft
Merge Two Binary Trees Easy adobe amazon apple bloomberg facebook huawei oracle salesforce
Palindrome Linked List Easy adobe amazon apple bloomberg cisco facebook google grab intel ixl microsoft nutanix snapchat vmware
Fizz Buzz Easy adobe amazon apple bloomberg capital-one cisco google linkedin microsoft oracle salesforce spotify wayfair
Count and Say Sequence Medium adobe amazon apple bloomberg epic-systems facebook google microsoft oracle
ZigZag Conversion Medium adobe amazon apple bloomberg facebook google microsoft paypal uber wish
Plus One 1 - Given number as array plus one Easy adobe amazon apple bloomberg capital-one ebay facebook google spotify uber
Kth Smallest Element in a Sorted Matrix Medium adobe amazon apple bloomberg facebook google microsoft twitter uber yahoo
Print in Order Problem Easy adobe amazon apple bloomberg google microsoft
Design HashMap Easy adobe amazon apple atlassian dell facebook goldman-sachs google linkedin microsoft nvidia oracle reddit salesforce servicenow tableau twitter uber vmware
Basic Calculator 1 Hard adobe amazon bloomberg facebook google indeed intuit jump-trading karat microsoft paypal pinterest robinhood roblox snapchat uber
Rising Temperature Problem Easy adobe
Employees Earning More Than Their Managers Problem Easy adobe amazon apple facebook google
Add Digits in Number Easy adobe apple bloomberg microsoft
Reverse Linked List 2 - between m and n Medium adobe amazon apple bloomberg bytedance docusign facebook google microsoft oracle
First Bad Version Easy adobe amazon bloomberg facebook google microsoft uber
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
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
Top K Frequent Words 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
H-Index 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
Score of Parentheses Medium adobe amazon bytedance
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 Medium adobe amazon bloomberg facebook google microsoft oracle uber