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

int main()
{
     int i,j,n=7;
     system("cls");
     for(i=1; i<=n; i++)
     {
         for(j=1; j<=i; j++)
             cout<<"*";
         cout<<endl;
     }
     cout<<"\n";
     system("pause");
     cout<<"\n";
     for(i=1; i<=n; i++)
     {
         for(j=i; j<=n; j++)
             cout<<"*";
         cout<<endl;
     }
     cout<<"\n";
     system("pause");
     cout<<"\n";
     for(i=1; i<=n; i++)
     {
         for(j=1; j<i; j++)
             cout<<" ";
         for(j=i; j<=n; j++)
             cout<<"*";
         cout<<endl;
     }
     cout<<"\n";
     system("pause");
     cout<<"\n";
     for(i=1; i<=n; i++)
     {
         for(j=i+1; j<=n; j++)
             cout<<" ";
         for(j=1; j<=i; j++)
             cout<<"*";
         cout<<endl;
     }     
     cout<<"\n\n";
     system("pause");
     return 1;
}