Practice problems across 75+ categories
Practice problems frequently asked at Apple • 571 problems | 192 Easy | 283 Medium | 92 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 196 | Flatten 2D Vector | Medium | ArrayTwo PointersDesign |
| 197 | Flight Occupancy and Waitlist Analysis | Medium | Database |
| 198 | Flipping an Image | Easy | ArrayTwo PointersBit Manipulation |
| 199 | Form Largest Integer With Digits That Add up to Target | Hard | ArrayDynamic Programming |
| 200 | Fraction Addition and Subtraction | Medium | MathStringSimulation |
| 201 | Frog Jump | Hard | ArrayDynamic Programming |
| 202 | Game of Life | Medium | ArrayMatrixSimulation |
| 203 | Generate Parentheses | Medium | StringDynamic ProgrammingBacktracking |
| 204 | Goat Latin | Easy | String |
| 205 | Group Anagrams | Medium | ArrayHash TableString |
| 206 | Guess Number Higher or Lower II | Medium | MathDynamic ProgrammingGame Theory |
| 207 | H-Index | Medium | ArraySortingCounting Sort |
| 208 | Height Checker | Easy | ArraySortingCounting Sort |
| 209 | Highest Salaries Difference | Easy | Database |
| 210 | House Robber III | Medium | Dynamic ProgrammingTreeDepth-First Search |
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