Nischay Hegde 6f8dde9bad Fixed outdated info (#27187) ...

* Fixed outdated info

C++98 wasn't the standard for a long time. gnu++14 is the current standard and this pull request corrects that.

* Update index.md

* Updated the attribution to fit Purdue's format.

2019-05-17 16:22:22 +05:30

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index.md

Fixed outdated info (#27187)

2019-05-17 16:22:22 +05:30