C++ i need help pls

Question

how can I enter a variable from the keyboard in c ++? I do not remember how it was or where it came from

Answer 1

with "cin" command.

here you can find a quick review: http://www.cplusplus.com/doc/tutorial/basic_io/

also, google "C++ Cheat Sheets" and there are a lot of them. Archive one that best suits your needs.