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C++ Programming Code Examples

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Factorial program using recursion in C++



Factorial program using recursion in C++

The process in which a function calls itself directly or indirectly is called recursion and the corresponding function is called as recursive function.

#include<iostream.h>
#include<conio.h>

void main()
{
int fact(int);
int f, n;
clrscr();
cout<<"Enter any num: ";
cin>>n;
f=fact(n);
cout<<"\nFactorial : "<<f;
getch();
}
int fact(int a)
{
if(a==1)
return(1);
else
{
return(a*fact(a-1));
}
}

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