// Exercise 12.16: MultiplicationTeacher.cpp
// This game asks the user to enter the product of two
// randomly generated numbers in the range 0-9.
#include <iostream> // required to perform C++ stream I/O
#include <ctime>    // contains prototype for function time
 
// contains function prototypes for functions srand and rand
#include <cstdlib>
 
using namespace std; // for accessing C++ Standard Library members
 
// function prototypes
int generateQuestion();
void generateOutput();
 
// function main begins program execution
int main()
{
   // randomize random number generator using current time
   srand( time( 0 ) ); 
 
   // define variables
   //int userAnswer = 0; // stores the user's answer
   int correctAnswer;  // stores the correct answer
   int a;
   int lowest=1, highest=19;
   int range=(highest-lowest)+1;
   int input;
   int times = lowest * highest;
 
   for(int index=0; index<1; index++){
 
   a = lowest+int(range*rand()/(RAND_MAX + 1.0));
 
   cout << "How much is" << lowest <<""<< "times" <<""<< highest << "(-1 to end)?" << endl;
   cin >> input;
 
   while(input = times)
   cout << "How much is" << lowest <<""<< "times" <<""<< highest << "(-1 to end)?" << endl;
   cin >> input;
   }
 
   return 0; // indicates successful termination