Title Difficulty Companies Videos
Expected number of rounds to reach one remaining coin Easy microsoft
Maximum coins from top-left to bottom-right with right or down moves Medium zillow
Smallest set to cover all intervals Medium google microsoft
Number of Ways to Split Array Medium
Generate a finite, but an arbitrarily large binary tree in O(1) time Medium jane-street
Find all starting indices of anagrams of a word in a string Hard
Count Vowel Strings in Ranges Medium
Best Sightseeing Pair Medium wayfair
Find Largest Value in Each Tree Row Medium amazon apple facebook linkedin microsoft
Check if doubly linked list is palindrome Easy google
Shortest substring containing all characters in a set Medium square
Return two prime numbers that sum to a given even number Easy alibaba
Find Minimum Diameter After Merging Two Trees Hard
Minimum Number of Operations to Sort a Binary Tree by Level Medium
Maximum Number of K-Divisible Components Hard
Reverse Odd Levels of Binary Tree Medium
Final Prices With a Special Discount in a Shop Easy
Construct String With Repeat Limit Medium
Final Array State After K Multiplication Operations I Easy
Maximum Average Pass Ratio Medium
Continuous Subarrays Medium
Find Score of an Array After Marking All Elements Medium
Take Gifts From the Richest Pile Easy
Maximum Beauty of an Array After Applying Operation Medium
Find Longest Special Substring That Occurs Thrice 2 Medium
Find Longest Special Substring That Occurs Thrice 1 Medium
Special Array II Medium
Minimum Limit of Balls in a Bag Medium
Maximum Number of Integers to Choose From a Range I Medium
Move Pieces to Obtain a String Medium
Alien Dictionary Hard airbnb amazon apple bloomberg cohesity doordash facebook flipkart google microsoft pinterest pocket-gems snapchat square twitter uber vmware
Amount of New Area Painted Each Day Hard
Binary Tree Pruning Medium amazon buffer-box capital-one google hulu twitter
Brace Expansion Medium
Check if an element exists in a binary tree Easy
Check if postordered array forms a binary search tree Medium
Construct Binary Search Tree BST from Preorder Traversal Medium amazon facebook microsoft oracle
Construct reverse sum hierarchy triangle from an array Medium
Convert a sorted doubly linked list DLL to balanced binary search tree Medium
Convert a sorted doubly linked list DLL to balanced binary search tree in-place Medium
Convert Binary Tree into Threaded Binary Tree Hard
Count Good Nodes in Binary Tree Medium microsoft
Create Sorted Array through Instructions Hard
De Bruijn Sequence Hard LinkedIn
Delete in a Binary Search Tree Medium amazon apple bloomberg cisco facebook google linkedin microsoft oracle uber yahoo
Delivering Boxes from Storage to Ports Hard
Duplicate each node in a binary search tree and add as its left child Easy
Evaluate an expression tree and generate a parenthesised form Medium
Falling Squares Hard amazon square uber
Fancy Sequence Hard