// Produce an N x N Multiplication Table with Row and Column Headers

#include <iostream.h>

void RowHeader(int);
void ProduceRow(int,int);
void ColumnHeader(int);

void main()
{int Rows,Row;
 cout << "Enter N, the Number of Rows and Columns >";
 cin >> Rows;
 ColumnHeader(Rows);
 for (Row=1;Row<=Rows;Row++)
  ProduceRow(Row,Rows);
}

void ColumnHeader(int N)
{int Column;
 cout << "    ";

 for (Column=1;Column<=N;Column++){
  cout.width(3);		 // Right justified in a field of 3 spaces
  cout << Column << "  ";
 }
 cout << endl;
 // Output separators
 cout << "    ";
 for (Column=1;Column<=N;Column++){
  cout << " --- ";
 }
 cout << endl;
}

void ProduceRow(int RowNumber,int TotalColumns)
{int Column;
 RowHeader(RowNumber);
 for (Column=1;Column<=TotalColumns || !(cout << endl);Column++) {
  cout.width(3);
  cout << RowNumber*Column << "  ";
 }
}

void RowHeader(int RowNum)
{cout.width(3);
 cout << RowNum << "|";
}