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Reverse Linked ListEasyadobe 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
Linear Search on array
Permutations of Array 1Mediumadobe amazon apple atlassian bloomberg bytedance cisco ebay facebook garena godaddy goldman-sachs google linkedin microsoft netease oracle paypal salesforce sap uber vmware yahoo
Implement stack using resizing of arrayEasy
Word Pattern 1Easyamazon capital-one dropbox facebook google microsoft uber
Cron Cheatsheet
Find frequency of a word in a bookEasy
Evaluation function for Tic-Tac-ToeEasyamazon apple facebook zoho
Find missing integer in an array with only access to jth bit of elementsMedium
Floyd-Warshall AlgorithmMedium
Integer To RomanMediumadobe amazon apple blackrock bloomberg evernote facebook google linkedin microsoft opendoor oracle paypal salesforce twitter yahoo
Roman To IntegerEasyadobe amazon apple bloomberg facebook goldman-sachs google linkedin microsoft oracle qualtrics uber yahoo zillow
String Compression 2Hard
String CompressionMediumakuna-capital amazon apple bloomberg ebay expedia facebook godaddy goldman-sachs google lyft microsoft redfin snapchat spotify wayfair yandex yelp zillow
Number of Dice Rolls With Target SumMediumamazon bloomberg google microsoft spotify
Remove Nth Node From End of ListMediumadobe amazon apple bloomberg bytedance cisco facebook goldman-sachs google microsoft oracle vmware yandex
Satisfiability of Equality EquationsMediumsumologic
Valid AnagramEasyamazon apple bloomberg cisco docusign expedia facebook goldman-sachs google microsoft morgan-stanley oracle paypal servicenow snapchat uber yahoo yelp zulily
Letter Combinations of a Phone NumberMediumamazon 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
4SumMediumadobe amazon apple bloomberg facebook google microsoft samsung yahoo
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
Add Two Numbers represented as Linked List in Reversed OrderMediumadobe 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
Capitalize the first character of each word in a given textMedium
Sum of Even Numbers After QueriesMediumindeed
UTF-8 ValidationMediumamazon apple facebook google palantir-technologies
Maximum Height by Stacking CuboidsHard
Construct String from Binary TreeMediumamazon
Manachar’s Algorithm - Longest palindromic substring in linear timeHard
Reordered Power of 2Medium
Max Number of K-Sum PairsMedium
Two Sum 4 - Input is Binary Search TreeEasyamazon facebook google microsoft samsung servicenow snapchat
Number of Arithmetic TripletsEasy
2Sum - 0 - closest - Find two elements whose sum is closest to zeroMedium
Binary Search Tree BST Inorder IteratorMediumalibaba amazon apple atlassian bloomberg bytedance cisco cloudera ebay facebook google linkedin microsoft oracle qualtrics redfin splunk uber
Two Sum 3 - Data structure designEasylinkedin
Number of Subsequences That Satisfy the Given Sum ConditionMediumfacebook google
Ransom NoteEasyamazon apple microsoft spotify uber
Word Pattern 2Mediumdropbox facebook pony-ai ponyai uber
Shift 2D GridEasyamazon facebook
Next Greater Element 1Easyamazon bloomberg facebook google microsoft oracle twitter
Baseball GameEasyamazon google
Morris TraversalHardpalantir
Guess Number Higher or LowerEasyapple google microsoft
Avoid Overflow when calculating Mid in Binary Search
Find All Numbers Disappeared in an ArrayEasyadobe apple bloomberg google microsoft yahoo
Maximum Number of BalloonsEasytesla wayfair
Single Number 3 - All elements except two occur twiceMediumamazon apple facebook yahoo
Find Pivot IndexEasyamazon apple bloomberg citadel coupang expedia facebook godaddy goldman-sachs google indeed microsoft radius salesforce tesla
Path Sum 1 - Check if root to leaf path existsEasyadobe amazon apple bloomberg facebook microsoft oracle zillow uber