Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 811 | Divide Chocolate | Hard | ArrayBinary Search |
| 812 | Divide Intervals Into Minimum Number of Groups | Medium | ArrayTwo PointersGreedy |
| 813 | Divide Nodes Into the Maximum Number of Groups | Hard | Depth-First SearchBreadth-First SearchUnion Find |
| 814 | Divide Players Into Teams of Equal Skill | Medium | ArrayHash TableTwo Pointers |
| 815 | Divide Two Integers | Medium | MathBit Manipulation |
| 816 | Divisible and Non-divisible Sums Difference | Easy | Math |
| 817 | Divisor Game | Easy | MathDynamic ProgrammingBrainteaser |
| 818 | DNA Pattern Recognition | Medium | Database |
| 819 | Domino and Tromino Tiling | Medium | Dynamic Programming |
| 820 | Dot Product of Two Sparse Vectors | Medium | ArrayHash TableTwo Pointers |
| 821 | Dota2 Senate | Medium | StringGreedyQueue |
| 822 | Double a Number Represented as a Linked List | Medium | Linked ListMathStack |
| 823 | Double Modular Exponentiation | Medium | ArrayMathSimulation |
| 824 | Drop Duplicate Rows | Easy | Database |
| 825 | Drop Type 1 Orders for Customers With Type 0 Orders | Medium | Database |
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