write a program to display the following o/p:
1) * (1 star)
*** (3 stars)
***** (5 stars)
*** (3 stars)
* (1 star)
#include <iostream>
using namespace std;
int main()
{
cout << "Hello world!" << endl;
cout << " * (1 star)" << endl;
cout << " *** (3 star)" << endl;
& cout << "& ***** & (5 star)" << endl;
cout << " *** (3 star)" << endl;
cout << " * (1 star)" << endl;
return 0;
}