Simple C++ Program

[Denis]

Final version

#include <numeric>
#include <iostream>
#include <vector>
#include <fstream>
#include <algorithm>
#include <sstream>

template <typename ContainerT> void readFromFile(const char* fileName, ContainerT& destination)
{
    std::ifstream fs(fileName);
    std::string line;
    while(std::getline(fs, line))
    {
        typename ContainerT::value_type shouldBeAdded;
        std::stringstream ss(line);
        ss >> shouldBeAdded;
        destination.push_back(shouldBeAdded);
    }
}
template <typename ContainerT> void printContainer(const ContainerT& cont)
{
    std::copy(cont.begin(), cont.end(), std::ostream_iterator<typename ContainerT::value_type>(std::cout, " "));
}
template <typename ContainerT> typename ContainerT::value_type median(const ContainerT& container)
{
    typedef typename ContainerT::value_type ElemT;
    ElemT summa = std::accumulate(container.begin(), container.end(),  ElemT(0));
    return container.empty() ? ElemT(0) : (summa / ElemT(container.size()));
}
int main(int argc, char* argv[])
{
    if(!argv[1])
    {
        std::cout << "You did not specify file. Please, specify it in command line.\n";
        return 0;
    }
    std::vector<double> content;
    //read file, fit the container and show content of container
    readFromFile(argv[1], content);
    std::cout << "values from file:\n";
    printContainer(content);

    //sort container and show content again
    std::sort(content.begin(), content.end());
    std::cout << "\nsorted values from file:\n";
    printContainer(content);

    //show avarage values of file content
    std::cout << "\nAvarage value from file:\n";
    std::cout << median(content) << '\n';

    return 0;
}

[btripp]

good job denis. I dont think he was supposed to use the algorthm stuff and I think he was required to use a vector