c interview questions for experienced
#include <stdio.h>#include <conio.h>long factorial (int n){ if (n==0) return 1; else return (n * factorial(n-1)); //recursion}void main(){ int number; long fact; printf("Enter a number: "); scanf("%d", &number); fact = factorial(number); printf("The factorial of %d is %ld!n", number, fact); getch();}