input berbintang

#include <iostream.h>

#include <conio.h>

int main()

{

int a,b,inp;

cout<<"N:";cin>>inp;

cout<<endl;

for(a=1;a<=inp;a++)

{cout<<endl;

for(b=1;b<=a;b++)

{

cout<<"*"<<"";

}

}

for(a=1;a>=0;a--)

{cout<<endl;

for(b=0;b<=a;b++)

{

cout<<"*"<<"";

}

}

cout<<"\nN:";cin>>inp;

cout<<endl;

for(a=1;a<=inp;a++)

{cout<<endl;

for(b=1;b<=a;b++)

{

cout<<"*"<<"";

}

}

for(a=2;a>=0;a--)

{cout<<endl;

for(b=0;b<=a;b++)

{

cout<<"*"<<"";

}

}

getch();

}