Code that print Diamond shap

#include "stdafx.h"

#include "conio.h"

#include "iostream"

#include "stdio.h"

using namespace std;

int _tmain(int argc, _TCHAR* argv[])

{

       int a,b;

       for(a=1;a<=7;a++)

       {

              for(b=1;b<=7;b++)

              {

                     if(b==1 && a==4)

                           cout<<"*";

                     else

                     if (b==2 && (a==3||a==4||a==5))

                           cout<<"*";

                     else

                     if(b==3 && (a==2||a==3||a==4||a==5||a==6))

                           cout<<"*";

                     else

                     if(b==4 && (a==1||a==2||a==3||a==4||a==5||a==6||a==7))

                           cout<<"*";

                     else

                     if(b==5 && (a==2||a==3||a==4||a==5||a==6))

                            cout<<"*";

                     else

                     if (b==6 &&( a==3||a==4||a==5))

                           cout<<"*";

                     else

                     if(b==7 && a==4)

                           cout<<"*";

                     else

                           cout<<" ";

              }

                     cout<<endl;

              }

                     getch();

       }