There is no such thing. You probably meant the main function. The main function is the only function that is required as it serves as the entry point of the program.
...a function call.
Every C plus plus program that is a main program must have the function 'main'.
to locate coordinates ..
Use the C++ getline() function from the standard library.
input is the << operator and output is the >> operator
There are no "primary and secondary keys" in c and c plus plus.
There is no such term as "building function" in C++.
...a function call.
yes,we can make function inline
The main function is the entry point of your application. Its primary purpose is to process command-line switches (if any) and to invoke the appropriate functions. For trivial applications the main function may be the only function, however separating blocks of code into re-usable functions make code much easier to read.
Every C plus plus program that is a main program must have the function 'main'.
Control is returning to the caller of the function.
method
It is the first function that gets called when the program is executed.
It is a quadratic function which represents a parabola.
Use function mkdir.
to locate coordinates ..