cout
The cout command allows you to display information in the message window. Numeric data is converted automatically.
Command format:
cout << arg1 << arg2 << argN;
Here:
arg1, arg2, argN - any number of variables of any type.
Example.
Display in the message window the result of calculating the sum of the areas of all apartments from the dsum variable
cout << "Area of all flats = " << dsum;