All TopicsAlgorithmsBackend
DesignConcurrencyDatabaseDatabase
DesignJavaJavascriptObject Oriented
DesignProgramming
LanguageShell
TitleDifficultyCompaniesVideos
Profitable SchemesHardgoogle linkedin
Reducing DishesHard
Concatenated WordsHardamazon apple audible facebook google microsoft
Maximum Profit in Job SchedulingHardairbnb bytedance cisco google ponyai
Number of Ways to Form a Target String Given a DictionaryHard
Number of Ways to Reorder Array to Get Same BSTHard
Decode Ways IIHardfacebook google
Longest Valid ParenthesesHardadobe amazon apple bloomberg citadel ebay facebook google microsoft oracle samsung uber yahoo
Candy distributionHardamazon apple google microsoft salesforce uber atlassian
Median of Two Sorted ArraysHardadobe airbnb alibaba amazon apple bloomberg bytedance didi dropbox ebay facebook garena godaddy goldman-sachs google houzz huawei jpmorgan microsoft oracle rubrik tencent two-sigma uber visa vmware yahoo yandex zenefits zillow zulily
Maximal RectangleHardadobe amazon bloomberg citadel facebook google indeed karat microsoft samsung uber vmware wayfair
Word SquaresHardgoogle oracle
Longest Cycle in a Directed GraphHard
Department Top Three Salaries ProblemHardadobe amazon google netflix
Read N Characters Given Read4 2 - Call Multiple TimesHardamazon bloomberg facebook google lyft microsoft pinterest uber
Find Minimum in Rotated Sorted Array 2 - Duplicates allowedHardadobe amazon facebook google uber
Word Ladder 2 - Get all the laddersHardamazon apple bloomberg box facebook google linkedin lyft microsoft oracle pinterest uber yahoo yelp
Best Time To Buy And Sell Stock 3 - at most twiceHardamazon apple atlassian bloomberg citadel facebook flipkart google microsoft rubrik two-sigma
Text JustificationHardairbnb amazon apple box coursera facebook google indeed intuit linkedin lyft microsoft palantir paypal pinterest robinhood snapchat twilio twitter uber
Trapping Rain WaterHardadobe 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
First Missing PositiveHardadobe amazon apple bloomberg bytedance databricks ebay facebook google grab inmobi microsoft model-N morgan-stanley oracle pocket-gems salesforce sap stripe tesla twitch uber vmware wayfair wish
Dungeon GameHardamazon google microsoft
Minimum Number of Days to Disconnect IslandHard
Unique Paths in Grid 3 - Count all paths moving in 4 directions with obstacles and custom start and endHardamazon google limebike
Patching ArrayHardgoogle
Split Array Largest SumHardamazon baidu facebook google etsy
LFU CacheHardadobe alibaba amazon apple bloomberg goldman-sachs google linkedin microsoft salesforce snapchat uber vmware
String Compression 2Hard
Regular Expression Matching ProblemHardadobe airbnb alibaba amazon apple bloomberg bytedance coursera databricks ebay facebook flipkart google houzz lyft microsoft oracle palantir-technologies pocket-gems twitter uber zulily
Wildcard MatchingHardadobe amazon bloomberg bytedance coursera cruise-automation facebook goldman-sachs google microsoft oracle snapchat twitter two-sigma
Maximum Height by Stacking CuboidsHard
Manachar’s Algorithm - Longest palindromic substring in linear timeHard
Morris TraversalHardpalantir
Substring with Concatenation of All WordsHardadobe amazon apple bloomberg dropbox facebook google microsoft
Integer to English WordsHardamazon 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
Design Search Autocomplete SystemHardamazon apple bloomberg dropbox facebook google lyft microsoft salesforce snapchat uber
Expression Add OperatorsHardapple bytedance facebook google microsoft snapchat uber
Course Schedule 3Hardgoogle microsoft works-applications
Basic Calculator 4Hardamazon google indeed intuit pinterest roblox
Basic Calculator 3Hardamazon apple bytedance doordash facebook google houzz hulu jingchi microsoft pinterest pocket-gems snapchat uber
Basic Calculator 1Hardadobe amazon bloomberg facebook google indeed intuit jump-trading karat microsoft paypal pinterest robinhood roblox snapchat uber
Best Meeting PointHardamazon facebook google linkedin snapchat twitter
Binary Tree CamerasHardebay facebook google uber
Word Search 2 - Return All WordsHardairbnb amazon apple bloomberg bytedance cisco citadel facebook google houzz microsoft oracle roblox salesforce snapchat uber yahoo zillow
Minimize Malware Spread 2Harddropbox
Serialize and Deserialize N-Ary TreeHardamazon apple ebay facebook google linkedin microsoft pinterest uber
Minimum Interval to Include Each QueryHard
Stickers to Spell WordHardfacebook ixl
Minimum Number of Days to Eat N OrangesHard