Title Difficulty Companies Videos
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 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 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 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
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
Non-decreasing Array Problem Medium adobe amazon ebay facebook google
Majority Element - Boyer–Moore majority vote algorithm Easy adobe amazon apple google microsoft oracle snapchat tencent twitter yahoo zenefits
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
Insert Interval Medium adobe amazon apple dataminr facebook google linkedin microsoft oracle tableau twitter uber
Symmetric Binary Tree 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
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
Valid Palindrome 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
Reverse Linked List 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
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
Remove Nth Node From End of List Medium adobe amazon apple bloomberg bytedance cisco facebook goldman-sachs google microsoft oracle vmware yandex
4Sum Medium adobe amazon apple bloomberg facebook google microsoft samsung yahoo
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
Wildcard Matching Problem Hard adobe amazon bloomberg bytedance coursera cruise-automation facebook goldman-sachs google microsoft oracle snapchat twitter two-sigma
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
Find All Numbers Disappeared in an Array Easy adobe apple bloomberg google microsoft yahoo
Path Sum 1 - Check if root to leaf path exists Easy adobe amazon apple bloomberg facebook microsoft oracle zillow
Remove duplicates from Sorted List 2 Medium adobe amazon apple bloomberg google microsoft paypal salesforce
Isomorphic Strings Easy adobe amazon bloomberg facebook google linkedin microsoft oracle salesforce yahoo yelp
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
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
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
Merge Two Binary Trees Easy adobe amazon apple bloomberg facebook huawei oracle
Palindrome Linked List Problem Easy adobe amazon apple bloomberg cisco facebook google grab intel ixl microsoft nutanix snapchat vmware
Fizz Buzz Problem Easy adobe amazon apple bloomberg capital-one cisco google linkedin microsoft oracle salesforce spotify wayfair
Count and Say Sequence Problem Medium adobe amazon apple bloomberg epic-systems facebook google microsoft oracle