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(C++) User I/O

User I/O (an abbreviation of 'user input/output') is about communication with the user.

User I/O STL functions and data types

• std::cerr: error message stream
• std::cin: user input stream
• std::clog: log message stream
• std::cout: screen output stream
• std::getline: obtain a single line of input

User I/O code snippets

1. AskUserForInput, ask the user for input

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