| Delete Tree Nodes |
Medium
|
microsoft
|
|
| Depth of BST Given Insertion Order |
Medium
|
|
|
| Design a File Sharing System |
Medium
|
twitch
|
|
| Design a Food Rating System |
Medium
|
|
|
| Design a Todo List |
Medium
|
|
|
| Design an ATM Machine |
Medium
|
|
|
| Design Front Middle Back Queue |
Medium
|
|
|
| Design Log Storage System |
Medium
|
amazon
google
snapchat
twitter
|
|
| Destroy Sequential Targets |
Medium
|
|
|
| Detect Cycles in 2D Grid |
Medium
|
|
|
| Determine the Minimum Sum of a k-avoiding Array |
Medium
|
|
|
| Difference Between Ones and Zeros in Row and Column |
Medium
|
|
|
| Disconnect Path in a Binary Matrix by at Most One Flip |
Medium
|
|
|
| Display Table of Food Orders in a Restaurant |
Medium
|
|
|
| Distinct Numbers in Each Subarray |
Medium
|
|
|
| Double Modular Exponentiation |
Medium
|
|
|
| Earliest Second to Mark Indices I |
Medium
|
|
|
| Egg Drop With 2 Eggs and N Floors |
Medium
|
|
|
| Employees With Deductions |
Medium
|
|
|
| Equal Sum Arrays With Minimum Number of Operations |
Medium
|
|
|
| Equal Tree Partition |
Medium
|
amazon
facebook
|
|
| Evaluate Boolean Expression |
Medium
|
point72
|
|
| Evaluate the Bracket Pairs of a String |
Medium
|
|
|
| Even Odd Tree |
Medium
|
|
|
| Event Emitter |
Medium
|
|
|
| Exam Room |
Medium
|
amazon
facebook
google
quip
quora
uber
|
|
| Execute Asynchronous Functions in Parallel |
Medium
|
|
|
| Execution of All Suffix Instructions Staying in a Grid |
Medium
|
|
|
| Expressive Words |
Medium
|
google
|
|
| Find a Peak Element II |
Medium
|
|
|
| Find And Replace in String |
Medium
|
google
linkedin
microsoft
|
|
| Find Bursty Behavior |
Medium
|
|
|
| Find Candidates for Data Scientist Position II |
Medium
|
|
|
| Find Cities in Each State II |
Medium
|
|
|
| Find Cutoff Score for Each School |
Medium
|
|
|
| Find Kth Largest XOR Coordinate Value |
Medium
|
|
|
| Find Latest Group of Size M |
Medium
|
|
|
| Find Longest Calls |
Medium
|
|
|
| Find Maximum Removals From Source String |
Medium
|
|
|
| Find Minimum Time to Finish All Jobs II |
Medium
|
|
|
| Find Nearest Right Node in Binary Tree |
Medium
|
|
|
| Find Overlapping Shifts |
Medium
|
|
|
| Find Peak Calling Hours for Each City |
Medium
|
|
|
| Find Players With Zero or One Losses |
Medium
|
|
|
| Find Polygon With the Largest Perimeter |
Medium
|
|
|
| Find Positive Integer Solution for a Given Equation |
Medium
|
google
|
|
| Find the Closest Marked Node |
Medium
|
|
|
| Find the Count of Numbers Which Are Not Special |
Medium
|
|
|
| Find the Derangement of An Array |
Medium
|
amazon
ixl
|
|
| Find the Grid of Region Average |
Medium
|
|
|