| ID | NAME | QUALITY | USERS | ACC % | DIFFICULTY C I |
|---|---|---|---|---|---|
| 18164 | Atoms in the Lab | 32 | 3795 |
|
|
| 328 | Bishops | 82 | 8900 |
|
|
| 2009 | Cryptography | 1 | 142 |
|
|
| 314 | Digits of e | 5 | 2996 |
|
|
| 24 | Small factorials | 153 | 49228 |
|
|
| 6236 | Matches | 8 | 449 |
|
|
| 36563 | Hard Fibonacci | 6 | 84 |
|
|
| 2906 | GCD2 | 60 | 6784 |
|
|
| 2901 | One Geometry Problem | 9 | 1784 |
|
|
| 10676 | 0110SS | 25 | 1742 |
|
|
| 54 | Julka | 161 | 22857 |
|
|
| 5699 | The last digit re-visited | 39 | 7436 |
|
|
| 27068 | Leaf | 1 | 66 |
|
|
| 3932 | Point Connection Game in a Circle | 3 | 746 |
|
|
| 3970 | Convert to Decimal Base System | 53 |
|
||
| 16034 | Minimum Number | 5 | 491 |
|
|
| 3023 | Binary multiplication | 3 | 226 |
|
|
| 35954 | New Data Type | 118 |
|
||
| 18905 | Kapti and Balu | 1 | 38 |
|
|
| 8676 | Digits of Phi (Golden Ratio) | 2 | 293 |
|
|
| 270 | Digits of Pi | 13 | 5869 |
|
|
| 5294 | Recurrence | 2 | 255 |
|
|
| 29748 | Robin Hood | 30 |
|
||
| 3362 | Setnja | 2 | 239 |
|
|
| 10334 | SOLDIERS | 6 | 744 |
|
|
| 1423 | Digits of SQRT(2) | 6 | 2735 |
|
|
| 738 | Another Counting Problem | 1 | 224 |
|
|
| 71 | Tree | 3 | 444 |
|
|
| 1002 | Uncle Jack | 13 | 2957 |
|
|
| 235 | Very Fast Multiplication | 22 | 1243 |
|
|
| 6479 | The Very Greatest Common Divisor | 4 | 93 |
|
|
| 1475 | Play with Digit Seven | 3 | 121 |
|
#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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