What is the output of the following C program?#include void f(int n) { if (n > 0) { f(n - 1); printf("%d", n); f(n - 1); } } int main() { f…

What is the output of the following C program?

#include <stdio.h>
void f(int n) {
    if (n > 0) {
        f(n - 1);
        printf("%d", n);
        f(n - 1);
    }
}
int main() {
    f(3);
    return 0;
}