| Debounce |
Medium
|
facebook
|
|
| Decode the Slanted Ciphertext |
Medium
|
|
|
| Decode XORed Array |
Easy
|
|
|
| Decode XORed Permutation |
Medium
|
|
|
| Decremental String Concatenation |
Medium
|
|
|
| Delay the Resolution of Each Promise |
Medium
|
|
|
| Delete Greatest Value in Each Row |
Easy
|
|
|
| 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 an Ordered Stream Problem |
Easy
|
|
|
| Design Cancellable Function |
Hard
|
|
|
| Design Excel Sum Formula |
Hard
|
amazon
microsoft
|
|
| Design Front Middle Back Queue |
Medium
|
|
|
| Design Log Storage System |
Medium
|
amazon
google
snapchat
twitter
|
|
| Design Parking System |
Easy
|
|
|
| Destination City |
Easy
|
yelp
|
|
| Destroy Sequential Targets |
Medium
|
|
|
| Detect Cycles in 2D Grid |
Medium
|
|
|
| Determine Color of a Chessboard Square |
Easy
|
|
|
| Determine if String Halves Are Alike |
Easy
|
|
|
| Determine if Two Events Have Conflict |
Easy
|
|
|
| Determine the Minimum Sum of a k-avoiding Array |
Medium
|
|
|
| DI String Match |
Easy
|
amazon
goldman-sachs
google
|
|
| Difference Between Maximum and Minimum Price Sum |
Hard
|
|
|
| Difference Between Ones and Zeros in Row and Column |
Medium
|
|
|
| Dinner Plate Stacks |
Hard
|
amazon
bytedance
|
|
| Disconnect Path in a Binary Matrix by at Most One Flip |
Medium
|
|
|
| Display Table of Food Orders in a Restaurant |
Medium
|
|
|
| Display the First Three Rows |
Easy
|
|
|
| Distance to a Cycle in Undirected Graph |
Hard
|
|
|
| Distinct Echo Substrings |
Hard
|
google
|
|
| Distinct Numbers in Each Subarray |
Medium
|
|
|
| Distribute Money to Maximum Children |
Easy
|
|
|
| Divide an Array Into Subarrays With Minimum Cost I |
Easy
|
|
|
| Divide an Array Into Subarrays With Minimum Cost II |
Hard
|
|
|
| Divide Array Into Increasing Sequences |
Hard
|
google
|
|
| Double Modular Exponentiation |
Medium
|
|
|
| Duplicate Zeros |
Easy
|
google
|
|
| Dynamic Pivoting of a Table |
Hard
|
|
|
| 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
|
|
| Erect the Fence II |
Hard
|
|
|
| Escape the Spreading Fire |
Hard
|
|
|