c_3_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()
{ float weight;
  int k,price;
  cout << "\nPlease input a mail package weight:";
  cin >> weight;
  k=(int)(weight/15);  /*为分支作准备*/
  switch(k)
  { case 0:price=5; break;  /*15克以下*/
    case 1:price=9; break;  /*30克以下*/
    case 2:price=12;break; /*45克以下*/
    case 3:price=14;break; /*60克以下*/
    case 4:price=15;break; /*75克以下*/
    default :price=(int)((weight-75)/10)+15; /*75克以上*/
  }
  cout << "Weight is " << weight << " Price is " << price;//输出重量和价格
  cin.get(); cin.get(); //等待结束，以便调测程序，可以删除
}