[intv] Reverse the order of words.

//Reverse the order of words in a string.
//Save as: main.cpp and compile as: g++ -o main main.cpp

#include <iostream>
#include <string>
using namespace std;

int main(void){
  string s1 = "I am a tea pot fat and stout, this is my handle this is my pout", s2;
  int wordEnd;

    wordEnd = s1.length() - 1;
    for (int i = (s1.length() -1); i >= 0; i--){
      if (s1[i] == ' '){
	s2.append(s1, (i+1), wordEnd - i);
	s2 += ' ';
	wordEnd = i-1;
      }
    }
    s2.append(s1, 0, wordEnd+1);
    cout << s2 << endl;
}