#include <iostream>
	using std::cout;
	using std::cin;

#include <conio.h>

int main( void )
 {
 char ch = '*';

	for ( int i=0; i<5; i++ )
		{
		for ( int j=0; j<=i; j++ )
			{
			cout << ch;
		}
		cout << '\n';
	}

	for ( int i=5; i>=0; i-- )
		{
		for ( int j=0; j<=i; j++ )
			{
			cout << ch;
		}
		cout << '\n';
	}
 cout << ">> Program terminates here!\n";
 getche();
 return 0;
}

#include <iostream.h>
#define MAX 5 //看你要中間那層有幾個 * 就自己設
void main()
{
	short i,j;
	for(i=1;i<=MAX;i++)
	{	
		cout << endl;
		for(j=1;j<=i;j++)
			cout <<"*";
	}
	for(i=1;i<=MAX-1;i++)
	{	
		cout << endl;
		for(j=MAX-1;j>=i;j--)
			cout <<"*";
	}
}