Title Difficulty Companies Videos
Smallest Range Covering Elements from K Lists Problem Hard amazon apple facebook google lyft microsoft pinterest snapchat
Max Stack Problem Hard amazon bloomberg facebook google linkedin lyft microsoft pure-storage snapchat twitter
Reverse Integer Problem Medium adobe amazon apple barclays bloomberg cisco facebook google jpmorgan lyft microsoft netease oracle uber yahoo
Convert Sorted List into a height-balanced Binary search Tree Medium amazon bloomberg facebook google lyft microsoft oracle vmware zenefits
Find Peak Element in a Given Array Medium amazon apple bloomberg bytedance facebook google ixl lyft microsoft quora uber vmware yahoo
Least Number of Perfect Squares that Sums to n Medium adobe amazon apple cisco ebay facebook godaddy google grammarly linkedin lyft microsoft uber yandex
Merge K Sorted Lists Hard adobe airbnb alibaba amazon apple atlassian audible bloomberg box bytedance cisco cohesity cruise-automation ebay facebook goldman-sachs google indeed ixl linkedin lyft mathworks microsoft nvidia oracle salesforce sap tableau twitter uber vmware wish yahoo yandex zillow
Rotate n x n matrix by 90 degrees Medium adobe akuna-capital amazon apple bloomberg cisco facebook google groupon houzz lyft microsoft nvidia palantir palantir-technologies quora salesforce uber wish yandex
Square root of an integer Easy amazon apple bloomberg facebook google huawei linkedin lyft microsoft qualtrics uber wayfair
Swap Nodes in Pairs Medium adobe amazon apple bloomberg ebay facebook google lyft microsoft oracle sap uber
Permutation in String Problem Medium amazon bloomberg facebook google lyft microsoft uber yahoo yandex
Find Duplicate Subtrees Medium amazon bloomberg facebook google lyft microsoft oracle uber
Time Based Key-Value Store Problem Medium amazon apple atlassian databricks facebook flexport google linkedin lyft microsoft netflix oracle square stripe sumologic twitter uber vmware zillow
Convert Binary Search Tree to Sorted Doubly Linked List Medium amazon bloomberg databricks facebook google lyft microsoft oracle uber vmware
Flatten Nested List Iterator Problem Medium airbnb amazon apple atlassian bloomberg ebay facebook google linkedin lyft microsoft oracle pinterest snapchat splunk twitter uber vmware
Intersection of Two Arrays 1 - Unique Elements Easy amazon apple bloomberg bytedance facebook google indeed jpmorgan linkedin lyft microsoft oracle two-sigma uber yelp
Largest Binary Search Tree BST Subtree Medium amazon apple facebook google lyft microsoft
Asteroid Collision Problem Medium amazon bytedance ebay google lyft microsoft paypal uber visa
Sliding Window Maximum Hard adobe alibaba amazon apple bloomberg bytedance citadel coursera databricks facebook google lyft microsoft nutanix oracle pinterest roblox twitter uber vmware wish yelp zenefits
Container With Most Water Medium adobe amazon apple bloomberg bytedance facebook goldman-sachs google lyft microsoft oracle uber vmware yahoo
Word Ladder 1 - Get Ladder Length Hard affirm amazon apple audible bloomberg cohesity expedia facebook google linkedin lyft microsoft oracle pinterest qualtrics salesforce samsung servicenow snapchat spotify square tesla uber vmware yelp zillow
Generate Parentheses Problem Medium adobe alibaba amazon apple atlassian bloomberg bytedance cisco facebook google lyft microsoft nutanix nvidia salesforce samsung sap snapchat spotify uber yahoo yandex yelp zenefits
Valid Parentheses Easy adobe airbnb akuna-capital amazon apple atlassian audible barclays blizzard bloomberg cisco citadel doordash ebay epic-systems expedia facebook godaddy goldman-sachs google ibm intel intuit jpmorgan linkedin liveramp lyft mathworks microsoft morgan-stanley oracle paypal postmates riot-games salesforce samsung sap servicenow splunk spotify tencent tesla triplebyte twilio twitter uber visa vmware yahoo yandex zenefits zillow
Minimum Window Substring Hard adobe airbnb amazon apple bloomberg bytedance cohesity deutsche-bank directi ebay facebook godaddy goldman-sachs google linkedin lyft microsoft nutanix oracle salesforce snapchat tencent twitter uber visa vmware yahoo
Merge Two Sorted Linked Lists Easy adobe airbnb alibaba amazon apple arista-networks atlassian bloomberg bytedance capital-one cisco ebay facebook google huawei indeed intel linkedin lyft microsoft oracle paypal samsung tencent uber visa vmware yahoo yandex
Subsets 1 Medium adobe amazon apple atlassian bloomberg bytedance coupang ebay facebook goldman-sachs google lyft microsoft uber yahoo
Subarray sum equals K - Return any subarray lyft
Two Sum Easy adobe aetion affirm airbnb alibaba amazon apple audible baidu blackrock bloomberg bookingcom box bytedance cisco citadel cloudera deutsche-bank didi drawbridge dropbox ebay emc expedia facebook factset ge-digital godaddy goldman-sachs google groupon huawei ibm indeed intel intuit jpmorgan linkedin lyft mathworks microsoft morgan-stanley netease nvidia oracle paypal qualcomm quora radius roblox salesforce samsung sap servicenow snapchat splunk spotify tableau tencent twilio twitter uber valve visa vmware wish works-applications yahoo yandex yelp zillow zoho
Meeting Rooms 2 - Minimum Meeting Rooms Required Medium amazon apple atlassian bloomberg bookingcom cisco citadel citrix drawbridge ebay expedia facebook godaddy goldman-sachs google lyft microsoft nutanix oracle paypal postmates quora snapchat uber visa yelp
Product of Array Except Self Medium adobe amazon apple asana blackrock bloomberg bytedance ebay evernote facebook goldman-sachs google grab groupon intel linkedin lyft microsoft nutanix oracle paypal qualtrics salesforce sap servicenow snapchat splunk tableau uber visa vmware yahoo
Number of Islands Medium adobe affirm alibaba amazon appdynamics apple arista-networks atlassian audible blackrock bloomberg bytedance cisco citadel citrix cohesity cruise-automation doordash ebay electronic-arts evernote expedia facebook godaddy goldman-sachs google houzz hulu jpmorgan linkedin liveramp lyft mathworks microsoft nutanix nvidia oracle palantir-technologies paypal qualtrics roblox salesforce servicenow snapchat splunk spotify square sumologic tableau twitch twitter uber visa vmware wish yahoo zenefits zulily
Read N Characters Given Read4 2 - Call Multiple Times Hard amazon bloomberg facebook google lyft microsoft pinterest uber
Decode Ways Medium adobe amazon apple baidu barclays bloomberg cisco databricks expedia facebook goldman-sachs google huawei lyft microsoft oracle pinterest snapchat square twitter uber
Text Justification Hard airbnb amazon apple box coursera facebook google indeed intuit linkedin lyft microsoft palantir paypal pinterest robinhood snapchat twilio twitter uber
Trapping Rain Water Hard adobe affirm airbnb amazon apple audible bloomberg bytedance citadel databricks dataminr ebay electronic-arts facebook flipkart goldman-sachs google grab huawei lyft microsoft nvidia oracle palantir-technologies qualtrics salesforce servicenow snapchat tableau twitter uber visa wish yahoo yandex zenefits
Design LRU Cache Medium adobe alibaba amazon apple asana baidu bloomberg bytedance cisco citadel cloudera cruise-automation docusign doordash dropbox ebay expedia facebook godaddy goldman-sachs google groupon hbo intuit jpmorgan linkedin lyft microsoft morgan-stanley nutanix nvidia oracle palantir-technologies paypal pinterest roblox salesforce sap snapchat splunk spotify tesla tripadvisor twilio twitch twitter two-sigma uber visa vmware wish yahoo yandex zenefits zillow
Best Time To Buy And Sell Stock 1 - only one transaction Easy adobe akuna-capital alibaba amazon apple atlassian audible blackrock bloomberg bytedance cisco citadel deutsche-bank doordash expedia facebook goldman-sachs google grab groupon intel jpmorgan linkedin lyft microsoft morgan-stanley oracle paypal redfin sap snapchat tableau tencent uber visa vmware yahoo zillow
Merge Two Sorted Arrays Easy adobe amazon apple baidu bloomberg bytedance cisco ebay expedia facebook goldman-sachs google ibm indeed linkedin lyft microsoft netflix oracle quip tableau uber vmware yahoo yandex
Move Zeroes at the end of array Easy adobe amazon apple bloomberg cohesity dell ebay facebook goldman-sachs google lyft microsoft nutanix oracle paypal qualcomm sap tesla uber yahoo yandex zillow
String Compression Problem Medium akuna-capital amazon apple bloomberg ebay expedia facebook godaddy goldman-sachs google lyft microsoft redfin snapchat spotify wayfair yandex yelp zillow
Letter Combinations of a Phone Number Problem Medium amazon apple atlassian bloomberg cisco dropbox ebay facebook goldman-sachs google jpmorgan lyft microsoft morgan-stanley nutanix oracle quip roblox salesforce servicenow square twilio uber vmware yahoo yelp
Regular Expression Matching Problem Hard adobe airbnb alibaba amazon apple bloomberg bytedance coursera databricks ebay facebook flipkart google houzz lyft microsoft oracle palantir-technologies pocket-gems twitter uber zulily
Add Two Numbers represented as Linked List in Reversed Order Medium adobe aetion airbnb alibaba amazon apple baidu bloomberg bytedance capital-one cisco dell docusign ebay facebook flipkart google grab huawei ibm intel lyft mathworks microsoft nvidia oracle paypal qualcomm redfin salesforce servicenow uber vmware wish yahoo yandex zoho
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
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