TitleDifficultyCompaniesVideos
Counting Words With a Given PrefixEasy
Count Prefix and Suffix Pairs 1Easy
Design a Sparse ArrayEasyfacebook
String Matching in an ArrayEasyamazon
Design hit counter with range queriesEasyriot-games
Check if target word exists in matrix horizontally or verticallyEasymicrosoft
Expected number of rounds to reach one remaining coinEasymicrosoft
Check if doubly linked list is palindromeEasygoogle
Return two prime numbers that sum to a given even numberEasyalibaba
Final Prices With a Special Discount in a ShopEasy
Final Array State After K Multiplication Operations 1 ProblemEasy
Take Gifts From the Richest PileEasy
Min Queue ProblemEasy
Range Sum Query - ImmutableEasyamazon bloomberg facebook google microsoft palantir-technologies goldman-sachs
Design an Ordered Stream ProblemEasy
Check If a Word Occurs As a Prefix of Any Word in a Sentence ProblemEasyyelp
Maximum Score After Splitting a StringEasygoogle
Special Array 1Easy
Binary Tree Path Sum - Minimum Sum Root to Leaf pathEasyapple
Binary Tree Path - All root to leaf pathsEasyadobe amazon apple facebook google microsoft
Defuse the Bomb ProblemEasy
Consecutive Characters ProblemEasy
Capitalize the Title ProblemEasy
Circular Sentence ProblemEasy
Delete Characters to Make Fancy String ProblemEasy
Row With Maximum Ones ProblemEasy
Minimum String Length After Removing Substrings ProblemEasy
Sentence Similarity ProblemEasygoogle
Rank Transform of an Array ProblemEasygoogle
Minimum Absolute DifferenceEasyaudible
Uncommon Words from Two Sentences ProblemEasyamazon expedia facebook microsoft
Count the Number of Consistent Strings ProblemEasy
Minimum Steps to Traverse Points in an Infinite 2D Grid ProblemEasygoogle
Capturing Loop Variables in Lambdas ProblemEasydropbox
Read N characters given read7Easymicrosoft
Sum of Digits of String After Convert ProblemEasy
Convert 1D Array Into 2D Array ProblemEasy
Lemonade Change ProblemEasyamazon atlassian
Efficient Conversion Between Imperial Distance Units ProblemEasyjane-street
Kth Distinct String in an Array ProblemEasy
Minimum Steps to reduce number to 1Easy
Make Two Arrays Equal by Reversing Subarrays ProblemEasyfacebook
Number of Senior Citizens ProblemEasy
Implement rand5() using rand7()Easytwo-sigma
Sort Array by Increasing Frequency ProblemEasy
Sort the People ProblemEasy
Lucky Numbers in a Matrix ProblemEasyoracle
Find the Shortest Path between 2 cells in boolean mazeEasygoogle
Design log Order recordsEasytwitter
Water Bottles ProblemEasymicrosoft