#include <iostream.h>
 
void main (void)
{
	int lines = 0;   
	int counter = 1; 
	int ch = 1;      
	int spa = 1;	 
	int tmp;
 
	cout << "Enter Num's of lines: ";
	cin >> lines;
 	
	tmp = lines;
	lines *= 2;
	lines -= 1;
 
	for (counter = 1; counter <= lines ; counter++)
	{
		if (counter % 2 == 1)	
		{
			for (spa = tmp; spa > 1; spa--)
			{
				cout <<" ";
			}
			for (ch = 1; ch <= counter; ch++)
			{
				cout << "*";
			}
			--tmp;
		}
		cout <<'\n';
	}
}