C++ Primer Plus--0a4用户自定义的函数

#pragma region ourfunc.cpp
//ourfunc.cpp -- defining your own function
#if 1
#include <iostream>
void simon(int); //function prototype for simon()

int main()
{
	using namespace std;
	
	simon(3);	//call the simon()function
	cout << "Pick an integer: ";
	int count;
	cin >> count;
	simon(count);//call it again
	cout << "Done!" << endl;

	return 0;
}