Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 691 | Defanging an IP Address | Easy | String |
| 692 | Defuse the Bomb | Easy | ArraySliding Window |
| 693 | Degree of an Array | Easy | ArrayHash Table |
| 694 | Delay the Resolution of Each Promise | Medium | Database |
| 695 | Delete and Earn | Medium | ArrayHash TableDynamic Programming |
| 696 | Delete Characters to Make Fancy String | Easy | String |
| 697 | Delete Columns to Make Sorted | Easy | ArrayString |
| 698 | Delete Columns to Make Sorted II | Medium | ArrayStringGreedy |
| 699 | Delete Columns to Make Sorted III | Hard | ArrayStringDynamic Programming |
| 700 | Delete Duplicate Emails | Easy | Database |
| 701 | Delete Greatest Value in Each Row | Easy | ArraySortingHeap (Priority Queue) |
| 702 | Delete N Nodes After M Nodes of a Linked List | Easy | Linked List |
| 703 | Delete Node in a BST | Medium | TreeBinary Search TreeBinary Tree |
| 704 | Delete Nodes And Return Forest | Medium | ArrayHash TableTree |
| 705 | Delete Nodes From Linked List Present in Array | Medium | ArrayHash TableLinked List |
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