Pinterest

Title	Difficulty	Companies
Check if one can reach the last index in a list of hops starting with index 0	Medium	pinterest
Alien Dictionary	Hard	airbnb amazon apple bloomberg cohesity doordash facebook flipkart google microsoft pinterest pocket-gems snapchat square twitter uber vmware
Task Scheduler	Medium	amazon apple bloomberg facebook google microsoft nutanix oracle pinterest uber vmware
Interval List Intersections	Medium	amazon apple bloomberg cruise-automation doordash facebook google oracle pinterest snapchat uber
Smallest Range Covering Elements from K Lists Problem	Hard	amazon apple facebook google lyft microsoft pinterest snapchat
Number of Atoms Problem	Hard	adobe amazon bytedance facebook google pinterest
Factor Combinations	Medium	google linkedin pinterest uber
Find Median from Data Stream	Hard	adobe amazon apple atlassian bloomberg bytedance citadel ebay expedia facebook goldman-sachs google microsoft netflix oracle pinterest qualtrics salesforce snapchat twitter uber vmware yahoo
Find the Closest Palindrome Problem	Hard	amazon facebook google microsoft nutanix pinterest uber yelp
Knight Dialer	Medium	box citadel facebook google microsoft pinterest twilio
Partition to K Equal Sum Subsets Problem	Medium	amazon bytedance ebay facebook google houzz linkedin microsoft pinterest vmware
Valid Sudoku Problem	Medium	adobe amazon apple bloomberg cruise-automation doordash facebook google microsoft oracle pinterest roblox salesforce snapchat twitter uber vmware
Word Break 2 - Construct a sentence	Hard	amazon apple audible bloomberg bookingcom dropbox ebay facebook google microsoft oracle pinterest snapchat twitter uber zillow
Design Hit Counter	Medium	affirm amazon apple atlassian bloomberg bookingcom dropbox google indeed linkedin microsoft netflix oracle pinterest quip snapchat uber visa yahoo zillow
Flatten Nested List Iterator Problem	Medium	airbnb amazon apple atlassian bloomberg ebay facebook google linkedin lyft microsoft oracle pinterest snapchat splunk twitter uber vmware
Find the Celebrity Problem	Medium	amazon apple facebook google linkedin microsoft palantir-technologies pinterest square uber vmware
Course Schedule 2 - Get Ordered Courses	Medium	airbnb amazon apple bloomberg doordash facebook google intuit microsoft nutanix oracle pinterest snapchat twitter uber wayfair zenefits
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
Lowest Common Ancestor of a Binary Tree	Medium	adobe airbnb amazon apple atlassian bloomberg bytedance ebay facebook google intuit linkedin microsoft oracle paypal pinterest salesforce splunk uber visa yahoo zillow
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
Is Subsequence Problem	Easy	amazon bloomberg coursera facebook google pinterest
Longest Common Prefix in array of string	Easy	adobe alibaba amazon apple bloomberg cisco ebay facebook google ibm ixl microsoft oracle pinterest quora snapchat splunk twilio visa yelp
Graph Valid Tree	Medium	amazon facebook google linkedin pinterest zenefits adobe salesforce
Implement Trie	Medium	amazon apple bloomberg ebay facebook google microsoft nutanix oracle pinterest qualtrics quip square twitter uber
Read N Characters Given Read4 2 - Call Multiple Times	Hard	amazon bloomberg facebook google lyft microsoft pinterest uber
Word Break 1 - Check if word is breakable	Medium	adobe amazon apple audible bloomberg bytedance coupang ebay facebook godaddy google hbo hulu microsoft oracle pinterest pocket-gems qualtrics salesforce snapchat square tripadvisor twilio twitter uber vmware yahoo yelp zillow
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
Merge Overlapping Intervals	Medium	adobe alibaba amazon apple atlassian bloomberg bytedance cisco cohesity coupang cruise-automation dataminr doordash ebay facebook godaddy goldman-sachs google intuit linkedin microsoft netflix oracle palantir-technologies paypal pinterest postmates salesforce sap servicenow snapchat sumologic tencent twitch twitter two-sigma uber visa vmware wayfair wish yahoo yandex yelp zulily
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
Happy Number	Easy	adobe airbnb amazon apple bloomberg ebay evernote facebook google jpmorgan microsoft nutanix pinterest pure-storage twitter uber
Basic Calculator 4 Problem	Hard	amazon google indeed intuit pinterest roblox
Basic Calculator 3 Problem	Hard	amazon apple bytedance doordash facebook google houzz hulu jingchi microsoft pinterest pocket-gems snapchat uber
Basic Calculator 1 Problem	Hard	adobe amazon bloomberg facebook google indeed intuit jump-trading karat microsoft paypal pinterest robinhood roblox snapchat 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
Serialize and Deserialize N-Ary Tree	Hard	amazon apple ebay facebook google linkedin microsoft pinterest uber