Using C++. Keep it simple please.

What is Call-By-Value and Call-By-Reference? Cite your sources

Create 2 Functions int xvalue(int) and int yreference(&int).

Within main( ) prompt the user to enter 2 #s (x & y).

Send x as a call by value (capture the int x and then change x to x*x)

Send y as a call by reference (capture the int y and change it to y*y)

Return and display both integers