What is the output of the following program? What well-known mathematical function is rose? #include using namespace std; int rose(int n); //Precondition: n >= 0. int main() {  cout  return 0; } int...

What is the output of the following program? What well-known mathematical

function is rose?

#include

using namespace std;

int rose(int n);

//Precondition: n >= 0.

int main()

{

 cout

 return 0;

}

int rose(int n)

{

 if (n

 return 1;

 else

 return ( rose(n − 1) * n );

}