Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 751 | Delete Columns to Make Sorted | Easy | ArrayString |
| 752 | Delete Columns to Make Sorted II | Medium | ArrayStringGreedy |
| 753 | Delete Columns to Make Sorted III | Hard | ArrayStringDynamic Programming |
| 754 | Delete Duplicate Emails | Easy | Database |
| 755 | Delete Duplicate Folders in System | Hard | ArrayHash TableString |
| 756 | Delete Greatest Value in Each Row | Easy | ArraySortingHeap (Priority Queue) |
| 757 | Delete Leaves With a Given Value | Medium | TreeDepth-First SearchBinary Tree |
| 758 | Delete N Nodes After M Nodes of a Linked List | Easy | Linked List |
| 759 | Delete Node in a BST | Medium | TreeBinary Search TreeBinary Tree |
| 760 | Delete Node in a Linked List | Medium | Linked List |
| 761 | Delete Nodes And Return Forest | Medium | ArrayHash TableTree |
| 762 | Delete Nodes From Linked List Present in Array | Medium | ArrayHash TableLinked List |
| 763 | Delete Operation for Two Strings | Medium | StringDynamic Programming |
| 764 | Delete the Middle Node of a Linked List | Medium | Linked ListTwo Pointers |
| 765 | Delete Tree Nodes | Medium | ArrayTreeDepth-First Search |
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