[ c++] factorial anynumber By me
Code:#include <iostream> #include <iomanip> #include <cmath> using namespace std; int factorial(int a) { int c=a; for (int n=a-1; n>=1; n--) { c*=n; } return c; } int main() { int Fac,r; cout<< " factorial of "; cin>>Fac; r=factorial(Fac); cout<<r; cout <<endl; system("pause"); return 0; }