// C4_5.cpp : Defines the entry point for the console application.
// while 迴圈應用

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

using namespace std;

int main(int argc, char* argv[])
{
   double data = 0.0;              // 變數宣告
   double total = 0.0; 
   double result = 0.0;
   int i = 0;                        
   char status = 'y';              
 cout << "1 公斤 = 2.20462 磅 "<< endl;
   while(status == 'y')          // 鍵入 y 則迴圈繼續
   {
      cout << endl
           << "請鍵入公斤值 : ";
      cin >> data;                 // 讀取一值
      ++i;                          // 計數加一
	  result = data * 2.20462;
	  cout << data << "公斤 =" << result << "磅" << endl;
      total += result;                 // 加總

      cout << endl
           << "是否要查詢其他數值 (�中J n 結束)? " ;
      cin >> status;             // 讀取狀況字元
   }

   cout << endl
        << "共輸入 " << i
        << "個值，且平均磅數為 : " << total/i 
        << endl;
	return 0;
}