// C6_5.cpp : Defines the entry point for the console application.
// 二維陣列與函數 -- 計算銷售總額

#include "stdafx.h"
#include <iostream>
using namespace std;

double Sale(double array[][4], int n);

int main(int argc, char* argv[])
{  // 宣告二維陣列
   double Amount[3][4] =  {  { 780000,  920000,  630000,  1023000 },
                             { 752000,  760000,  880000,  890000 },
                             { 660000, 1090000, 840000, 990000 }   };

   cout << endl
        << "銷售額合計 = " << Sale(Amount, sizeof Amount/sizeof Amount[0]);
   cout << endl
        << "銷售額平均額 = " << Sale(Amount, sizeof Amount/sizeof Amount[0]) / 12;
   cout << endl;
   return 0;
}

// 函數計算總和
double Sale(double Amount[][4], int nn)
{
   double total = 0.0;
   for(int i=0; i<nn; i++)      
      for(int j=0; j<4; j++)         
         total += Amount[i][j];
   return total;
}