Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1231 | Four Divisors | Medium | ArrayMath |
| 1232 | Fraction Addition and Subtraction | Medium | MathStringSimulation |
| 1233 | Fraction to Recurring Decimal | Medium | Hash TableMathString |
| 1234 | Freedom Trail | Hard | StringDynamic ProgrammingDepth-First Search |
| 1235 | Frequencies of Shortest Supersequences | Hard | ArrayStringBit Manipulation |
| 1236 | Frequency of the Most Frequent Element | Medium | ArrayBinary SearchGreedy |
| 1237 | Frequency Tracker | Medium | Hash TableDesign |
| 1238 | Friday Purchase III | Medium | Database |
| 1239 | Friday Purchases I | Medium | Database |
| 1240 | Friday Purchases II | Hard | Database |
| 1241 | Friends Of Appropriate Ages | Medium | ArrayTwo PointersBinary Search |
| 1242 | Friends With No Mutual Friends | Medium | Database |
| 1243 | Frog Jump | Hard | ArrayDynamic Programming |
| 1244 | Frog Position After T Seconds | Hard | TreeDepth-First SearchBreadth-First Search |
| 1245 | Fruit Into Baskets | Medium | ArrayHash TableSliding Window |
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