C++ Programming Code Examples C++ > For Loops and While Loops Code Examples Factorial program using do-while loop Factorial program using do-while loop #include<iostream.h> #include<conio.h> void main() { long n, i, fact=1; clrscr(); cout<<"Enter any num: "; cin>>n; i=n; if(n>=0) { do { fact=fact*i; i--; } while(i>0); cout<<"\nFactorial: "<<fact; } else { cout<<"fact of -ve num. is not possible"; } getch(); }