prog6_03.cpp

一本语言类编程书籍

// Program 6.3 Obtaining the number of array elements
#include <iostream>
using std::cout;
using std::endl;

int main() {
  int values[] = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29};

  cout << endl
       << "There are "
       << sizeof values/sizeof values[0]
       << " elements in the array."
       << endl;

  int sum = 0;
  for(int i = 0 ; i < sizeof values/sizeof values[0] ; sum += values[i++])
    ;

  cout << "The sum of the array elements is " << sum
       << endl;

  return 0;
}