//Assignment 2 anderbl Brent L. Anderson

#include <iostream>

int inputnum, i, j, k, elsenumber;
char outputchar;

int main()
{
  outputchar = '*';  // set default character
  while(inputnum != -2)
    {
      inputnum = 0;      
      cin >> inputnum;
      if (inputnum < -6) // check to see if its valid
	{
	  inputnum = -2;
	  cout << "\nYou have entered an Invalid number, the first number in a pair cannot be < -6";
	}
      else if (inputnum < -2) // check to see if its a special char
	{
	  cin >> elsenumber;
	  if (elsenumber < 0 || elsenumber > 255)  //check to see if its valid
	    {
	      inputnum = -2;
	      cout << "\nYou have entered an Invalid number, the second number in a special pair cannot be negative or greater then 255";
	    }
	}
  
      if (inputnum == -1)  // next line
	    cout << endl;
      else if (inputnum == -3)  // change output character
	{
	   outputchar = elsenumber;
	}
      else if (inputnum == -4)  // draw box
	{
	  for (j=1; j<=elsenumber; ++j)
	    {
	      for (k=1; k<=elsenumber; ++k)
		  cout << outputchar;

	      cout << endl;
	    }
	}

      else if (inputnum == -5)  // draw right triangle pointing up
	{
	  for (j=1; j<=elsenumber; ++j)
	    {
	      for (k=1; k<=j; ++k)
		  cout << outputchar;

	      cout << endl;
	    }
	}

      else if (inputnum == -6)  // draw right triangle pointing down
	{
	  for (j=1; j<=elsenumber; ++j)
	    {
	      for (k=1; k<=elsenumber - j + 1; ++k)
		  cout << outputchar;

	      cout << endl;
	    }
	}

      for (i=1; i<=inputnum && inputnum > 0; ++i)  // if nothing special and everything else is ok then print normal
	  cout << outputchar;

      if (inputnum > -2)  // if not special
	{
	  cin >> inputnum;
	  if (inputnum < 0)  //check for a negative number in second number
	    {
	      inputnum = -2;
	      cout << "\nYou have entered an Invalid number, the second number in a pair cannot be negative";
	    }

        }
      
      for (i=1; i<=inputnum && inputnum > 0; ++i) // fill spaces and ignor 2nd character if -1, -2, 0 is the first char
	  cout << " ";
      
	
    }
}