4elist0703.cpp

《21天学通C＋＋》附盘的原代码。书上的每个例子在这里都有相应的C语言程序。

// Listing 7.3
// Complex while statements

#include <iostream>
using namespace std;

int main()
{
	unsigned short small;
	unsigned long  large;
	const unsigned short MAXSMALL=65535;

	cout << "Enter a small number: ";
	cin >> small;
	cout << "Enter a large number: ";
	cin >> large;

	cout << "small: " << small << "...";

	// for each iteration, test three conditions
	while (small < large && large > 0 && small < MAXSMALL)
	{
		if (small % 5000 == 0)  // write a dot every 5k lines
			cout << ".";

		small++;

		large-=2;
	}

	cout << "\nSmall: " << small << " Large: " << large << endl;
	return 0;
}