Title Difficulty Companies Videos
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
Valid Palindrome 2 Problem Easy atlassian facebook google microsoft yahoo
Unique Email Addresses Problem Easy adobe amazon facebook google microsoft
Search Insert Position in sorted array Easy adobe amazon apple bloomberg google microsoft sap
Remove Linked List Elements Problem 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
Invert Binary Tree Easy amazon apple bloomberg facebook google microsoft salesforce vmware
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
Palindrome Linked List Problem Easy adobe amazon apple bloomberg cisco facebook google grab intel ixl microsoft nutanix snapchat vmware
Integer to English Words Problem Hard amazon apple barclays bloomberg capital-one citrix facebook google jpmorgan linkedin microsoft nutanix oracle palantir-technologies paypal sap splunk square tableau tesla uber visa yahoo yelp zillow
Fizz Buzz Problem Easy adobe amazon apple bloomberg capital-one cisco google linkedin microsoft oracle salesforce spotify wayfair
Snakes and Ladders Problem Medium amazon apple cisco facebook google hulu microsoft uber
Excel Sheet Column Number Problem Easy amazon apple bloomberg dropbox facebook factset google microsoft uber
Count and Say Sequence Problem Medium adobe amazon apple bloomberg epic-systems facebook google microsoft oracle
Compare Version Numbers Problem Medium amazon apple arista-networks google microsoft square
ZigZag Conversion Medium adobe amazon apple bloomberg facebook google microsoft paypal uber wish
Design Search Autocomplete System Hard amazon apple bloomberg dropbox facebook google lyft microsoft salesforce snapchat uber
Next Greater Element 3 - Find smallest number larger than given number using same digits Medium amazon bloomberg facebook houzz microsoft vmware
Largest Number From Given Numbers Medium amazon apple bytedance facebook google microsoft oracle salesforce uber works-applications
My Calendar 1 Problem Medium amazon apple google intuit microsoft qualtrics uber
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