Answer:
Explanation:
#include <iostream>
using namespace std;
double cube(double);
int main()
{
double ci=0;
cout << "Enter avalue :";
cin >> ci;
cout << "Cube of " << ci << "is =" << cube(ci) << endl;
return 0;
}
double cube(double i)
{
return(i*i*i);
}