Taylor 615742ba78 Update index.md by fixing typos (#20410) ...

* Update index.md by fixing typos 

Also, added section for learning about Depth-first searching and Breadth-first searching.

* Update index.md - reverting back to original verbiage.

2018-10-28 21:45:17 -07:00

..

index.md

Update index.md by fixing typos (#20410)

2018-10-28 21:45:17 -07:00