array<Char>^ sep = {L' '};
array<String^>^ words =
String(L"This is the end, my only friend!").Split(sep, StringSplitOptions::RemoveEmptyEntries);

Array::Reverse(words); String^ newwords = String::Join(L" ", words);

using namespace System;

int main()
{
array<Char>^ sep = {L' '};
array<String^>^ words =
String(L"This is the end, my only friend!").Split(sep, StringSplitOptions::RemoveEmptyEntries);

Array::Reverse(words); String^ newwords = String::Join(L" ", words);

Console::WriteLine(newwords);
}

std::string words = "This is the end, my only friend!"; std::vector<std::string> swv;

boost::split(swv, words, boost::is_any_of(" ")); std::reverse(swv.begin(), swv.end());
std::string newwords = (std::for_each(swv.begin(), swv.end(), StringTAndJ())).value();

#include <string>
#include <algorithm>
#include <vector>
#include "boost/algorithm/string.hpp"

typedef void(*Func)(std::string&);

struct StringTAndJ
{
StringTAndJ(Func func = NULL, const std::string& sep = " ") : func_(func), sep_(sep) {}
void operator()(std::string& s) { if (func_) func_(s); word_.append(s).append(sep_); }
std::string value() { return word_; }

Func func_; std::string word_, sep_;
};

int main()
{
std::string words = "This is the end, my only friend!"; std::vector<std::string> swv;

boost::split(swv, words, boost::is_any_of(" ")); std::reverse(swv.begin(), swv.end());
std::string newwords = (std::for_each(swv.begin(), swv.end(), StringTAndJ())).value();

std::cout << newwords << std::endl;
}