Write a function called fact that recursively calculates the factorial value of its single int parameter. The value returned by fact is a long..
LANGUAGE: C++
CHALLENGE:
Write a function called fact that recursively calculates the factorial value of its single int parameter. The value returned by fact is a long.
SOLUTION:
long fact(int n) {
if (n <= 1) {
return 1;
} else {
return (fact(n-1) * (long) n);
}
}