#include <iostream>
#include <fstream>
#include <algorithm>
#include <ctime>
#include <string>
#include <sstream>
 
using namespace std;
 
int main()
{
 
  string line;
  cout << "Please insert the words that you want to scramble" << endl;
  getline ( cin, line, '\n' ); 
  string array[100];
 
  stringstream ss ( line );
 
  string word;
  string newLine = "";
 
  int i = 0;
  while ( ss >> word )
  {
    array[i] = word;
    i++;
  } 
  char ans;
 
  do
  {
    cout << "\nReshuffle (Y/N)" << endl;
    cin >> ans;
 
    srand ( unsigned ( time ( NULL ) ) );
    random_shuffle ( array, array + i );
 
    //print shuffled sentence
    cout << "\n";
    for ( int j = 0 ; j < i; j++ )
    {
      cout << array[j] << " ";
    }
  }while ( ans != 'N' ); 
  system ( "PAUSE" );
  return 0;
}

Begin file creation
Please insert the words that you want to scramble
HELLO, I AM A FOOL!
 
RESHUFFLE (Y/N)
Y
 
A FOOL! HELLO, I AM
RESHUFFLE (Y/N)
Y
 
I AM FOOL! A HELLO,
RESHUFFLE (Y/N)
Y
 
A HELLO, AM I FOOL!
RESHUFFLE (Y/N)
Y
 
I FOOL! HELLO, A AM
RESHUFFLE (Y/N)
Y
 
AM I FOOL! HELLO, A
RESHUFFLE (Y/N)