Recursive Factorial Function

#include <stdio.h>

// Recursive factorial function
int factorial(int n) {
    if (n == 0 || n == 1) {
        return 1;
    } else {
        return n * factorial(n - 1);
    }
}

int main() {
    // Recursive factorial function example
    int num = 5;
    int result = factorial(num);
    printf("Factorial of %d: %d\n", num, result);

    return 0;
}