Add factorial.

trekhleb · trekhleb · commit a10009df6497 · 2018-04-18T13:05:07.000+03:00
diff --git a/src/algorithms/math/factorial/README.md b/src/algorithms/math/factorial/README.md
@@ -9,7 +9,7 @@ than or equal to `n`. For example:
 ```
 
 | n     | n!                          | 
-| ----- | :-------------------------: |
+| ----- | --------------------------: |
 | 0     | 1                           |
 | 1     | 1                           |
 | 2     | 2                           |
