ex5_04.cpp

来自「vc++2005入门经典配书源程序」· C++ 代码 · 共 30 行

// Ex5_04.cpp
// Passing an array to a function
#include <iostream>
using std::cout;
using std::endl;

double average(double array[], int count);      //Function prototype

int main(void)
{
   double values[] = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0 };

   cout << endl 
        << "Average = "
        << average(values, (sizeof values)/(sizeof values[0]));

   cout << endl;
   return 0;
}

// Function to compute an average
double average(double array[], int count)
{
   double sum = 0.0;                   // Accumulate total in here
   for(int i = 0; i < count; i++)
      sum += array[i];                 // Sum array elements

   return sum/count;                   // Return average
}