How to read in space-delimited information from a file in c++

Question

In a text file I will have a line containing a series of numbers, with each number separated by a space. How would I read each of these numbers and store all of them in an arra

Answer 1

Just copy them from the stream to the array:

#include 
#include 
#include 
#include 

int main()
{
    std::ifstream file("filename");
    std::vector array;

    std::copy(  std::istream_iterator(file),
                std::istream_iterator(),
                std::back_inserter(array));
}