TitleDifficultyCompaniesVideos
Minimum in a Binary TreeEasy
Divide Array Into Equal PairsEasy
Maximum Count of Positive Integer and Negative IntegerEasy
Find Missing and Repeated ValuesEasy
Merge Two 2D Arrays by Summing ValuesEasy
Apply Operations to an ArrayEasy
Length of the Longest Consecutive 1s in Binary RepresentationEasystripe
Collatz SequenceEasyapple
Clear DigitsEasy
Maximum Ascending Subarray SumEasy
Permutation of Array using given orderEasytwitter
Next Permutation of IntegerEasyibm
Longest Strictly Increasing or Strictly Decreasing SubarrayEasy
Check if Array Is Sorted and RotatedEasy
Longest subarray with distinct elementsEasygoogle
Check if any pair of rectangles overlapEasygoogle
Area of intersection of two rectanglesEasygoogle
Run a Markov chain and count state visitsEasygoogle
Flatten a nested dictionaryEasystripe
Busiest period in a buildingEasyamazon
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
Find a Corresponding Node of a Binary Tree in a Clone of That TreeEasyfacebook
Find GCD of n numbersEasyamazon
Maximum in a Binary Search TreeEasy
Maximum in a Binary TreeEasy
Min Queue ProblemEasy
Minimum in a Binary Search TreeEasy
Print or return all the full nodes in a binary treeEasy
Range Sum Query - ImmutableEasyamazon bloomberg facebook goldman-sachs google microsoft palantir-technologies
Return or print all leaf nodes of a binary treeEasy
Search an element in a binary treeEasy
Design an Ordered Stream ProblemEasy
Minimum Operations to Exceed Threshold Value 1Easy
Check If a Word Occurs As a Prefix of Any Word in a Sentence ProblemEasyyelp
Matrix Diagonal SumEasy
Maximum Score After Splitting a StringEasygoogle
Minimum Recolors to Get K Consecutive Black BlocksEasy
Special Array 1Easy
Binary Tree Path Sum - Minimum Sum Root to Leaf pathEasyapple