prog8_07.cpp

c++最经典的入门书籍

// Program 8.7 Passing a two-dimensional array to a function
#include <iostream>
using std::cout;
using std::endl;

double yield(double values[][4], int n);

int main() {
  double beans[3][4] = {
                         { 1.0,  2.0,  3.0,  4.0},
                         { 5.0,  6.0,  7.0,  8.0},
                         { 9.0, 10.0, 11.0, 12.0}
                       };

  cout << endl
       << "Yield = " << yield(beans, sizeof beans/sizeof beans[0])
       << endl;
  return 0;
}

// Function to compute total yield
double yield(double array[][4], int size) {
  double sum = 0.0;
  for(int i = 0 ; i < size ; i++)        // Loop through number of rows
    for(int j = 0 ; j < 4 ; j++)         // Loop through elements in a row
      sum += array[i][j];
  return sum;
}