// Exercise 2.11

// Create an application that prints a message and sounds an alarm.

#include <iostream> // required to perform C++ stream I/O


using namespace std; // for accessing C++ Standard Library members


// function main begins program execution

int main()
{
    cout << "\a\a\aWarning:You have been inactive for over 30 minutes \nYou will be logged out in one minute\n";
    
    system("pause"); // 暂停返回

       return 0; // indicate that program ended successfully

}