| Id | Title | Translations | Solved | ||
|---|---|---|---|---|---|
| 11 | Sum of digits | DE ES RU ZH SK | 12624 | 3.60 | |
| 13 | Weighted sum of digits | DE ES RU ZH SK | 10202 | 3.97 | |
| 17 | Array Checksum | DE ES RU SK | 8944 | 4.20 | |
| 12 | Modulo and time difference | DE ES RU SK | 7391 | 4.53 | |
| 14 | Modular Calculator | ES SK | 6832 | 4.67 | |
| 26 | Greatest Common Divisor | ES SK RU | 6017 | 4.89 | |
| 24 | Neumann's Random Generator | DE ES RU | 4774 | 5.29 | |
| 25 | Linear Congruential Generator | RU | 4140 | 5.54 | |
| 69 | Fibonacci Divisibility | 1930 | 6.86 | ||
| 145 | Modular Exponentiation | 810 | 8.37 | ||
| 71 | Fibonacci Divisibility Advanced | 567 | 8.99 | ||
| 143 | Extended Euclidean Algorithm | 447 | 9.40 | ||
| 377 | Sum of Digits Divisibility | 81 | 12.35 | ||
| 144 | Modular Inverse | 280 | 10.21 | ||
| 152 | RSA Cryptography | 166 | 11.12 | ||
| 148 | Public Key Cryptography Intro | 140 | 11.41 | ||
| 196 | Fibonacci Randomizer | 87 | 12.23 | ||
| 216 | Cracking Linear Congruential Generator | 63 | 12.78 | ||
| 351 | Nicomachus | 27 | 14.22 | ||
| 222 | Easter Eggs Advanced | 19 | 14.80 | ||
| 345 | Elliptic Curves Basics | 7 | 16.39 |