#include <iostream>
#include <iterator>
#include <fstream>
#include <vector>
#include <algorithm> // for std::copy
int main()
{
std::ifstream is("numbers.txt");
std::istream_iterator<double> start(is), end;
std::vector<double> numbers(start, end);
std::cout << "Read " << numbers.size() << " numbers" << std::endl;
// print the numbers to stdout
std::cout << "numbers read in:
";
std::copy(numbers.begin(), numbers.end(),
std::ostream_iterator<double>(std::cout, " "));
std::cout << std::endl;
}