Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1306 | Flip String to Monotone Increasing | Medium | StringDynamic Programming |
| 1307 | Flipping an Image | Easy | ArrayTwo PointersBit Manipulation |
| 1308 | Flood Fill | Easy | ArrayDepth-First SearchBreadth-First Search |
| 1309 | Flower Planting With No Adjacent | Medium | Depth-First SearchBreadth-First SearchGraph |
| 1310 | Form a Chemical Bond | Easy | Database |
| 1311 | Form Array by Concatenating Subarrays of Another Array | Medium | ArrayTwo PointersGreedy |
| 1312 | Form Largest Integer With Digits That Add up to Target | Hard | ArrayDynamic Programming |
| 1313 | Form Smallest Number From Two Digit Arrays | Easy | ArrayHash TableEnumeration |
| 1314 | Four Divisors | Medium | ArrayMath |
| 1315 | Fraction Addition and Subtraction | Medium | MathStringSimulation |
| 1316 | Fraction to Recurring Decimal | Medium | Hash TableMathString |
| 1317 | Freedom Trail | Hard | StringDynamic ProgrammingDepth-First Search |
| 1318 | Frequencies of Shortest Supersequences | Hard | ArrayStringBit Manipulation |
| 1319 | Frequency of the Most Frequent Element | Medium | ArrayBinary SearchGreedy |
| 1320 | Frequency Tracker | Medium | Hash TableDesign |
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