b_4_1.cpp

C++应用教程原码,里面包含该书中有十三章内容的代码,详细具体

#include "stdafx.h"
#include "iostream"
using namespace std;
void main()
{  
   int n,total_sheet=0;
   bool first=true;
   int base[7]={100,50,20,10,5,2,1};
   int count[7]={0,0,0,0,0,0,0};
   cout << "请输入一个正整数(元): ";
   cin >> n;
   cout << n << "(元)=";
   for (int i=0;i<7;i++)   //从最大面值级别开始，计算各种面值的张数
       if (n>=base[i])
          { 
          count[i]=n/base[i];
		  n=n%base[i];
		  }
    for (i=0;i<7;i++)
	   if (count[i])
	   {  total_sheet += count[i];
	      if(first)
		  {
			  cout << count[i] << " * " << base[i];
			  first = false;
		  }
		  else
			  cout << " + "<<count[i] << " * " << base[i];
	   }
   cout << "(元)" << endl<< "需要纸币的总张数="<<total_sheet;
    cin.get(); cin.get(); //等待结束，以便调测程序，可以删除

}