| Id | Title | Translations | Solved | ||
|---|---|---|---|---|---|
| 11 | Sum of digits | DE ES RU ZH SK | 13377 | 3.60 | |
| 13 | Weighted sum of digits | DE ES RU ZH SK | 10854 | 3.96 | |
| 17 | Array Checksum | DE ES RU SK | 9574 | 4.18 | |
| 12 | Modulo and time difference | DE ES RU SK | 7866 | 4.52 | |
| 14 | Modular Calculator | ES SK | 7275 | 4.66 | |
| 26 | Greatest Common Divisor | ES SK RU | 6418 | 4.88 | |
| 24 | Neumann's Random Generator | DE ES RU | 5114 | 5.27 | |
| 25 | Linear Congruential Generator | RU | 4469 | 5.50 | |
| 69 | Fibonacci Divisibility | 2106 | 6.81 | ||
| 145 | Modular Exponentiation | 897 | 8.29 | ||
| 71 | Fibonacci Divisibility Advanced | 638 | 8.88 | ||
| 143 | Extended Euclidean Algorithm | 485 | 9.36 | ||
| 144 | Modular Inverse | 316 | 10.10 | ||
| 377 | Sum of Digits Divisibility | 113 | 11.88 | ||
| 152 | RSA Cryptography | 185 | 11.03 | ||
| 148 | Public Key Cryptography Intro | 157 | 11.31 | ||
| 196 | Fibonacci Randomizer | 89 | 12.29 | ||
| 216 | Cracking Linear Congruential Generator | 75 | 12.58 | ||
| 351 | Nicomachus | 38 | 13.74 | ||
| 222 | Easter Eggs Advanced | 24 | 14.51 | ||
| 345 | Elliptic Curves Basics | 10 | 15.94 |