Andrei Calinescu baed72fd3d Explained solution and added alternate (#34718) ...

* Explained solution and added alternate

Explained why the solution works and added an alternate, less elegant solution for comparison.

* Removed last line per feedback

2019-03-08 14:41:08 -08:00

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index.md

Explained solution and added alternate (#34718)

2019-03-08 14:41:08 -08:00