Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 886 | Domino and Tromino Tiling | Medium | Dynamic Programming |
| 887 | Dot Product of Two Sparse Vectors | Medium | ArrayHash TableTwo Pointers |
| 888 | Dota2 Senate | Medium | StringGreedyQueue |
| 889 | Double a Number Represented as a Linked List | Medium | Linked ListMathStack |
| 890 | Double Modular Exponentiation | Medium | ArrayMathSimulation |
| 891 | Drop Duplicate Rows | Easy | Database |
| 892 | Drop Missing Data | Easy | Database |
| 893 | Drop Type 1 Orders for Customers With Type 0 Orders | Medium | Database |
| 894 | Dungeon Game | Hard | ArrayDynamic ProgrammingMatrix |
| 895 | Duplicate Emails | Easy | Database |
| 896 | Duplicate Zeros | Easy | ArrayTwo Pointers |
| 897 | Dynamic Pivoting of a Table | Hard | Database |
| 898 | Dynamic Unpivoting of a Table | Hard | Database |
| 899 | Earliest Possible Day of Full Bloom | Hard | ArrayGreedySorting |
| 900 | Earliest Second to Mark Indices I | Medium | ArrayBinary Search |
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