Add factorial.

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Oleksii Trekhleb 2018-04-18 13:05:07 +03:00
parent 77e897b3b9
commit a10009df64

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@ -9,7 +9,7 @@ than or equal to `n`. For example:
``` ```
| n | n! | | n | n! |
| ----- | :-------------------------: | | ----- | --------------------------: |
| 0 | 1 | | 0 | 1 |
| 1 | 1 | | 1 | 1 |
| 2 | 2 | | 2 | 2 |