#include <string>
#include <iostream>
#include <sstream>
#include <algorithm>
#include <vector>
#include <iterator>
 
using namespace std;
 
std::vector<std::string> sentVec;
 
void getSent(string sent)
{
   // remove the periods(s)
   auto iter = std::remove_if(sent.begin(), sent.end(), [] (char ch) { return ch == '.';});
   sent.erase(iter, sent.end());
 
   // copy the daa to a vector
   std::istringstream iss(sent);
   string currentword;
   while ( iss >> currentword)
      sentVec.push_back(currentword);
}
 
int main()
{
  getSent("I am what am I.");
  std::vector<std::string> backward = sentVec;
  std::reverse(backward.begin(), backward.end());
  cout << "Forward:" << endl;
  copy(sentVec.begin(), sentVec.end(), ostream_iterator<string>(cout, " "));
  cout << "\nBackwards:" << endl;
  copy(backward.begin(), backward.end(), ostream_iterator<string>(cout, " "));
}

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