example-4.cpp

#include <string>
#include <sstream>
#include <vector>
#include <iterator>
#include <iostream>
#include <algorithm>

// https://stackoverflow.com/questions/236129/the-most-elegant-way-to-iterate-the-words-of-a-string
template <typename Out>
void split(const std::string &s, char delim, Out result)
{
    std::stringstream ss(s);
    std::string item;
    while (std::getline(ss, item, delim))
    {
        *(result++) = item;
    }
}

std::vector<std::string> split(const std::string &s, char delim)
{
    std::vector<std::string> elems;
    split(s, delim, std::back_inserter(elems));
    return elems;
}

int main()
{
    std::vector<std::string> x = split("who is on duty today?", ' ');

    std::reverse(x.begin(), x.end());

    for (auto &word : x)
    {
        std::cout << word << std::endl;
    }

    return 0;
}