General Math Problems
253 General Math problems on LeetCode, a Math & Geometry interview pattern, ranked by importance (how often it comes up in real interviews). Difficulty (ELO) and importance shown per problem.
| # | PROBLEM | DIFF | ELO | IMP | PATTERNS |
|---|---|---|---|---|---|
| 1 | Rotate Image | Easy | 1294 | 78 | Matrix Traversal (Diagonal, Valid Sudoku, etc) |
| 2 | Missing Number | Easy | 1086 | 72 | General Bit Manipulation · Frequency Counting / Hash Map Lookup |
| 3 | Pow(x, n) | Easy | 1308 | 72 | General Bit Manipulation |
| 4 | Transpose Matrix | Easy | 1259 | 63 | Matrix Traversal (Diagonal, Valid Sudoku, etc) |
| 5 | Add Binary | Easy | 1176 | 62 | General Bit Manipulation |
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