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  #1  
Old March 30th, 2006, 01:33 AM
porterrj porterrj is offline
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Talking I Will Love You! Help

This is for an assignment.. I've been working on it for a while tonight!!

I made a program that creates rectangles using ** based on user imput for width and height.

---I need to make it centered on an area that is assumed to be 80 characters wide------

PLEASE HELP ASAP !!!!


Code:
void displayStars (int, int);

int main ()
{ 
   int row, column;
   char again;

      do
           {
	
	cout << "Enter the number of rows and columns: ";
	cin >> row >> column;

	while (column < 2 || column > 60 && row < 2 || row > 60)
	{
	cout << "Invalid values for rows and columns" <<endl;
	cout << "Please enter values between 2 - 60: " ;
	cin >> row >> column;
	}
	cout << endl << endl;
	displayStars(row, column);										cout << endl << endl;
	cout << " Do you want to create another rectangle? (Y/N) ";
	cin >> again;
	} while (again == 'Y' || again == 'y');
	return 0;
} 


void displayStars(int width, int height) 
{
for (int across = 0; across < height; across++) 
	{
	for (int down = 0; down < width; down++) 
	{
	if ((down == 0) || (down == width - 1)) 
	{
	cout << "*";
	} 
	else if ((across == 0) || (across == height - 1)) 
	{
	cout << "*";
	 } 
	 else 
	{
	cout << " ";
	 }
            }
        cout << endl;
		}
}

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  #2  
Old March 31st, 2006, 08:15 PM
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B-Con B-Con is offline
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Use a loop with the following logic structure:
- Print each row out character by character
- Print an astrik if you're on the first or last colums, or first or last rows
- Otherwise, print a space

Rewrite your displaysStars() function somewhat as follows (warning: untested code):
Code:
void displayStars(int width, int height) 
{
for (int down = 0; down < height; down++) 
{
   for (int across = 0; across < width; across++) 
   { 
	if ((down == 0) || (down == width - 1) || (across == 0) || (across == height - 1)) 
	{
	   cout << "*";
	} 
	 else 
	{
	   cout << " ";
	 }
      }
        cout << endl;
    }
}
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