Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3256 | Top K Frequent Elements | Medium | ArrayHash TableDivide and Conquer |
| 3257 | Top K Frequent Words | Medium | ArrayHash TableString |
| 3258 | Top Percentile Fraud | Medium | Database |
| 3259 | Top Travellers | Easy | Database |
| 3260 | Toss Strange Coins | Medium | ArrayMathDynamic Programming |
| 3261 | Total Appeal of A String | Hard | Hash TableStringDynamic Programming |
| 3262 | Total Characters in String After Transformations I | Medium | Hash TableMathString |
| 3263 | Total Characters in String After Transformations II | Hard | Hash TableMathString |
| 3264 | Total Cost to Hire K Workers | Medium | ArrayTwo PointersHeap (Priority Queue) |
| 3265 | Total Distance Traveled | Easy | MathSimulation |
| 3266 | Total Hamming Distance | Medium | ArrayMathBit Manipulation |
| 3267 | Total Sales Amount by Year | Hard | Database |
| 3268 | Tournament Winners | Hard | Database |
| 3269 | Traffic Light Controlled Intersection | Easy | Concurrency |
| 3270 | Transform Array by Parity | Easy | ArraySortingCounting |
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