| Id | Title | Translations | Solved | ||
|---|---|---|---|---|---|
| 11 | Sum of digits | DE ES RU ZH SK | 12206 | 3.58 | |
| 13 | Weighted sum of digits | DE ES RU ZH SK | 9897 | 3.95 | |
| 17 | Array Checksum | DE ES RU SK | 8682 | 4.17 | |
| 12 | Modulo and time difference | DE ES RU SK | 7169 | 4.51 | |
| 14 | Modular Calculator | ES SK | 6615 | 4.65 | |
| 26 | Greatest Common Divisor | RU SK | 5856 | 4.86 | |
| 24 | Neumann's Random Generator | DE ES RU | 4632 | 5.27 | |
| 25 | Linear Congruential Generator | RU | 4016 | 5.51 | |
| 69 | Fibonacci Divisibility | 1862 | 6.85 | ||
| 145 | Modular Exponentiation | 770 | 8.38 | ||
| 377 | Sum of Digits Divisibility | 68 | 12.57 | ||
| 143 | Extended Euclidean Algorithm | 436 | 9.37 | ||
| 71 | Fibonacci Divisibility Advanced | 547 | 8.97 | ||
| 144 | Modular Inverse | 274 | 10.17 | ||
| 152 | RSA Cryptography | 161 | 11.09 | ||
| 148 | Public Key Cryptography Intro | 133 | 11.42 | ||
| 196 | Fibonacci Randomizer | 85 | 12.19 | ||
| 351 | Nicomachus | 22 | 14.48 | ||
| 216 | Cracking Linear Congruential Generator | 61 | 12.76 | ||
| 345 | Elliptic Curves Basics | 7 | 16.32 | ||
| 222 | Easter Eggs Advanced | 16 | 15.01 |