See here for full list of problems.
Problem solutions implemented using Java and Go.
| Problem | Difficulty |
|---|---|
| 20 - Factorial Digit Sum | 5% |
| 845 - Prime Digit Sum | 15% |
| 80 - Square Root Digital Expansion | 20% |
| 179 - Consecutive Positive Divisors | 25% |
| 348 - Sum of a Square and a Cube | 25% |
| 114 - Counting Block Combinations I | 35% |
| 117 - Red, Green, and Blue Tiles | 35% |
| 278 - Linear Combinations of Semiprimes | 50% |
| 274 - Divisibility Multipliers | 65% |