dvd

int n=25;
	for(int spazi=0;n>0;spazi++){
		for(int s1=0;s1<spazi/2;s1++)cout<<" ";
		for(int a=0;a<n;a++)cout<<"*";
		for(int s2=0;s2<spazi/2;s2++)cout<<" ";
		cout<<endl;
		n--;
	}