| ID | NAME | QUALITY | USERS | ACC % | DIFFICULTY C I |
|---|---|---|---|---|---|
| 18164 | Atoms in the Lab | 28 | 3380 |
|
|
| 328 | Bishops | 77 | 7925 |
|
|
| 2009 | Cryptography | 1 | 92 |
|
|
| 314 | Digits of e | 3 | 2876 |
|
|
| 24 | Small factorials | 145 | 36855 |
|
|
| 6236 | Matches | 7 | 427 |
|
|
| 36563 | Hard Fibonacci | 7 | 50 |
|
|
| 2906 | GCD2 | 52 | 5914 |
|
|
| 2901 | One Geometry Problem | 9 | 1596 |
|
|
| 10676 | 0110SS | 24 | 1653 |
|
|
| 54 | Julka | 153 | 17958 |
|
|
| 5699 | The last digit re-visited | 37 | 7055 |
|
|
| 3932 | Point Connection Game in a Circle | 2 | 701 |
|
|
| 3970 | Convert to Decimal Base System | 51 |
|
||
| 16034 | Minimum Number | 4 | 478 |
|
|
| 3023 | Binary multiplication | 3 | 224 |
|
|
| 35954 | New Data Type | -1 | 105 |
|
|
| 18905 | Kapti and Balu | 1 | 34 |
|
|
| 8676 | Digits of Phi (Golden Ratio) | 1 | 286 |
|
|
| 270 | Digits of Pi | 12 | 5655 |
|
|
| 5294 | Recurrence | 2 | 253 |
|
|
| 29748 | Robin Hood | 27 |
|
||
| 3362 | Setnja | 2 | 236 |
|
|
| 10334 | SOLDIERS | 5 | 637 |
|
|
| 1423 | Digits of SQRT(2) | 5 | 2653 |
|
|
| 738 | Another Counting Problem | 218 |
|
||
| 71 | Tree | 2 | 405 |
|
|
| 1002 | Uncle Jack | 10 | 2855 |
|
|
| 235 | Very Fast Multiplication | 22 | 969 |
|
|
| 6479 | The Very Greatest Common Divisor | 3 | 85 |
|
|
| 1475 | Play with Digit Seven | 4 | 89 |
|
#big-numbers
The problem involves arbitrary precision arithmetic
https://en.wikipedia.org/wiki/Arbitrary-precision_arithmetic https://en.wikipedia.org/wiki/Karatsuba_algorithm - efficient multiplication algorithm https://en.wikipedia.org/wiki/Toom%E2%80%93Cook_multiplication - as above https://en.wikipedia.org/wiki/Sch%C3%B6nhage%E2%80%93Strassen_algorithm - as above https://en.wikipedia.org/wiki/F%C3%BCrer%27s_algorithm - as above
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