Amazon

Title	Difficulty	Companies
Rotate Linked List to Right	Medium	adobe amazon bloomberg facebook linkedin microsoft
Spiral Matrix 2 - Generate	Medium	adobe amazon apple facebook google jpmorgan microsoft oracle robinhood uber yandex
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
Group Anagrams Problem	Medium	adobe affirm amazon apple bloomberg bookingcom cisco docusign ebay electronic-arts facebook goldman-sachs google hulu intuit mathworks microsoft nutanix oracle qualtrics salesforce servicenow snapchat tesla twilio uber visa vmware wish yahoo yandex yelp zulily
Trapping Rain Water Problem	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
Combination Sum 2 - Cant Reuse same element	Medium	adobe amazon apple bloomberg ebay facebook google linkedin microsoft nutanix snapchat uber
First Missing Positive Problem	Hard	adobe 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
Combination Sum 1 Problem	Medium	airbnb akuna-capital amazon apple bloomberg ebay facebook goldman-sachs google jpmorgan linkedin microsoft quora snapchat square uber vmware yelp
Find first and last positions of target element in sorted array	Medium	airbnb amazon apple bloomberg bytedance facebook google linkedin microsoft netflix oracle qualtrics quip uber visa yahoo yandex
Search in Rotated Sorted Array	Medium	adobe alibaba amazon apple baidu bloomberg bytedance cisco ebay expedia facebook goldman-sachs google ixl jpmorgan linkedin microsoft netease nutanix nvidia oracle paypal salesforce samsung snapchat tencent tesla tripadvisor twitch uber visa vmware yahoo yandex zillow zulily
Add Binary Strings	Easy	adobe amazon apple facebook google microsoft oracle
3Sum - Closest	Medium	adobe amazon apple bloomberg facebook goldman-sachs google microsoft sap uber vmware yandex
Arranging Coins	Easy	amazon godaddy
Non-decreasing Array Problem	Medium	adobe amazon ebay facebook google
Redundant Connection Problem	Medium	amazon google
Valid Tic-Tac-Toe State Problem	Medium	amazon facebook google microsoft oracle
Unique Paths in Grid 3 - Count all paths moving in 4 directions with obstacles and custom start and end	Hard	amazon google limebike
Majority Element - Boyer–Moore majority vote algorithm	Easy	adobe amazon apple google microsoft oracle snapchat tencent twitter yahoo zenefits
Increasing Triplet Subsequence	Medium	amazon bloomberg facebook google uber yahoo
Reverse Vowels of a String	Easy	amazon apple facebook google
Summary Ranges	Easy	amazon bloomberg capital-one facebook google indeed microsoft uber yandex
Game of Life Problem	Medium	amazon bloomberg dropbox facebook goldman-sachs google microsoft opendoor oracle reddit snapchat two-sigma uber zillow
Split Array Largest Sum Problem	Hard	amazon baidu facebook google
Capacity To Ship Packages Within D Days Problem	Medium	amazon apple google uber
LFU Cache Problem	Hard	adobe alibaba amazon apple bloomberg goldman-sachs google linkedin microsoft salesforce snapchat uber vmware
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
Cheapest Flights Within K Stops Problem	Medium	airbnb amazon bloomberg ebay facebook google microsoft
Insert Interval	Medium	adobe amazon apple dataminr facebook google linkedin microsoft oracle tableau twitter uber
Symmetric Binary Tree Problem	Easy	adobe alibaba amazon apple atlassian audible bloomberg facebook google linkedin microsoft oracle salesforce sap tripadvisor twitter uber visa vmware yandex
Single Number 1 - All elements except one occur twice	Easy	adobe airbnb amazon apple atlassian bloomberg facebook google microsoft oracle palantir-technologies tencent
Reverse String	Easy	adobe amazon apple bloomberg cisco ebay facebook godaddy goldman-sachs google microsoft oracle paypal servicenow snapchat uber
Remove duplicates from Sorted List 1	Easy	adobe amazon apple bytedance ebay facebook google microsoft salesforce
2Sum 2 – Input array is sorted	Medium	amazon apple bloomberg bytedance expedia facebook goldman-sachs google microsoft paypal pure-storage
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
Squares of a Sorted array Problem	Easy	adobe amazon apple bloomberg bytedance ebay electronic-arts facebook google jane-street microsoft nutanix oracle paypal splunk twitch uber vmware
Two Sum Less Than K	Easy	amazon google
Valid Palindrome Problem	Easy	adobe amazon apple bloomberg cisco ebay facebook google linkedin microsoft oracle spotify uber wayfair wish yandex zenefits
Remove duplicates from Sorted Array 1	Easy	adobe amazon apple bloomberg cisco cohesity ebay facebook google hulu microsoft oracle servicenow uber vmware
Remove Element	Easy	amazon bloomberg google microsoft
Reverse Linked List Problem	Easy	adobe alibaba amazon apple bloomberg bytedance cisco citrix docusign ebay electronic-arts facebook factset goldman-sachs google intel mathworks microsoft nvidia oracle paypal qualcomm snapchat spotify tencent tripadvisor twitter uber visa vmware yahoo yandex yelp zenefits
Permutations of Array 1	Medium	adobe amazon apple atlassian bloomberg bytedance cisco ebay facebook garena godaddy goldman-sachs google linkedin microsoft netease oracle paypal salesforce sap uber vmware yahoo
Word Pattern 1 Problem	Easy	amazon capital-one dropbox facebook google microsoft uber
Evaluation function for Tic-Tac-Toe	Easy	amazon apple facebook zoho
Integer To Roman Problem	Medium	adobe amazon apple blackrock bloomberg evernote facebook google linkedin microsoft opendoor oracle paypal salesforce twitter yahoo
Roman To Integer Problem	Easy	adobe amazon apple bloomberg facebook goldman-sachs google linkedin microsoft oracle qualtrics uber yahoo 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
Remove Nth Node From End of List	Medium	adobe amazon apple bloomberg bytedance cisco facebook goldman-sachs google microsoft oracle vmware yandex
Valid Anagram Problem	Easy	amazon apple bloomberg cisco docusign expedia facebook goldman-sachs google microsoft morgan-stanley oracle paypal servicenow snapchat uber yahoo yelp zulily