Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3241 | Time Taken to Cross the Door | Hard | ArrayQueueSimulation |
| 3242 | Time Taken to Mark All Nodes | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 3243 | Timeout Cancellation | Easy | JavaScript |
| 3244 | To Lower Case | Easy | String |
| 3245 | Toeplitz Matrix | Easy | ArrayMatrix |
| 3246 | Top K Frequent Elements | Medium | ArrayHash TableDivide and Conquer |
| 3247 | Top K Frequent Words | Medium | ArrayHash TableString |
| 3248 | Top Percentile Fraud | Medium | Database |
| 3249 | Top Travellers | Easy | Database |
| 3250 | Toss Strange Coins | Medium | ArrayMathDynamic Programming |
| 3251 | Total Appeal of A String | Hard | Hash TableStringDynamic Programming |
| 3252 | Total Characters in String After Transformations I | Medium | Hash TableMathString |
| 3253 | Total Characters in String After Transformations II | Hard | Hash TableMathString |
| 3254 | Total Cost to Hire K Workers | Medium | ArrayTwo PointersHeap (Priority Queue) |
| 3255 | Total Distance Traveled | Easy | MathSimulation |
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