int factorial( int n); |
int main(){ |
int n; |
printf ( "please enter the number:" ); |
scanf ( "%d" , &n); |
printf ( "the result is: %d\n" , factorial(n)); |
return 0; |
} |
int factorial( int n){ |
int result; |
if (n != 1){ |
result = factorial(n-1)*n; |
} |
else |
result = 1; |
return result; |
} |