Shulou(Shulou.com)06/02 Report--

This article is to share with you what is the basic knowledge of C++. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Case is uppercase, lowercase is lowercase, can not be scribbled, otherwise the editor can not precompile, directly report errors, the case here is limited to input keywords and reserved words, as well as imported package name case.

2. The output of cymbal + is produced by std:cout

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