#include <conio.h>
#include <stdio.h>
#include <iostream.h>

void main()

{
int a, b, c, d;
    for (int a = 1; a <= 5; a++)
    {
        for (int b = 1; b <= a; b++)
        {
            cout << "*";
        }
        cout << endl;

    }
    cout << endl;

    for (int a = 5; a >= 1; a--) // kalau tadi dari 1 sampai n, sekarang dari n sampai 1 (hitung mundur)
    {
        for (int b = 1; b <= a; b++)
        {
            cout << "*";
        }
        cout << endl;
    }
    cout << endl;

   for (int a = 1; a <= 5; a++)
    {
        int c = 5 - a;
        for (int d = 1; d <= c; d++)
        {
            cout << " ";
        }

        for (int b = 1; b <= a; b++)
        {
            cout << "*";
        }
        cout << endl;
    }
    cout << endl;

    for (int a = 1; a <= 5; a++)
    {
        int b = a - 1;
        for (int c = 1; c <= b; c++)
        {
            cout << " ";
        }

        b = 5 - a + 1;
        for (int c = 1; c <= b; c++)
        {
            cout << "*";
        }
        cout << endl;
        }


    for (int a = 1; a <= 5; a++)
    {
        int b = a - 1;
        for (int c = 1; c <= b; c++)
        {
            cout << " ";
        }

        b = (2 * 5) - (2 * a - 1);
        for (int c = 1; c <= b; c++)
        {
            cout << "*";
        }
        cout << endl;
    }
    cout << endl;


   for(int a=1;a<=5;a++)
{
    for(int b=5;b>=a;b--)
   {
       cout<<" ";
   }
   for(int c=1;c<=a+(a-1);c++)
   {
       cout<<"*";
   }
   cout << endl;
}
    getch();
}