c16.cpp

钱能的《C++程序设计习题及解答》配套代码

// c16.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream.h>
#include <iomanip.h>

long product( int n );

int main(int argc, char* argv[])
{
	cout << "从二月份开始每月生产量为:\n";
	int a = 2;
	for ( int i = 2; i <= 12; i++ )
	{
		a = 2*a - 1;
		cout << setw(2) << i << "月生产:" << setw(5) << a << endl;
	}

	return 0;
}

long product( int n )
{
	if ( n == 1 )
		return 2;

	return 2 * product(n-1) - 1;
}