程序代码：

#include <stdio.h>
int kk=1,i;
unsigned aa;
int main(int argc, const char *argv[])
{
    int *p;
    unsigned f;
    asm volatile("movl %%ebp,%0"
            :"=r"(f));
    f=(unsigned)((int *)f+1);
    p = (int *)f;
    (kk==1) && (aa = *p,scanf("%d",&i));
    (kk<i) && (*p = (unsigned)main) || (*p = aa);
    printf("n = %d\n",kk);
    kk++;
    return 0;
}

程序代码：

#include <stdio.h>

int f(int i, int n)
{
    i <= n && printf("%d\n", i) && f(i + 1, n);
    return i;
}

int main(void)
{
    int n;
    scanf("%d", &n);
    f(1, n);
    return 0;
}