/*C interview questions

  Can you guess the output alone*/


#include <stdio.h>



/*1*/

struct node{
  int a;
  int b;
  int c;
};

int main(void)
{
  struct node s = {3, 5, 6};
  struct node *pt = &s;

  printf("%d\n", *(int *)pt);
  return 0;
}



/*2*/

int main(void)
{
  int a[5] = {1, 2, 3, 4, 5};
  int *p = (int *)(&a + 1);

  printf("%d %d\n", *(a + 1), *(p - 1));
  return 0;
}



/*3*/

void foo(int b[][3])
{
  ++b;
  b[1][1] = 9;
}

int main(void)
{
  int a[3][3] = {{1,2,3}, {4,5,6}, {7,8,9}};

  foo(a);
  printf("%d\n", a[2][1]);
  return 0;
}



/*4*/

int main(void)
{
  char *p;
  char buf[10] = {1, 2, 3, 4, 5, 6, 9, 8};

  p = (char *)(int)(buf + 1)[5];
  printf("%d\n", (int)p);
  return 0;
}



/*5*/

int counter(int i)
{
  static int count = 0;

  count = count + i;
  return count;
}

int main(void)
{
  int i, j;

  for (i = 0; i <= 5; i++){
    j = counter(i);
  }
  printf("%d\n", j);
  return 0;
}



/*6*/

int main(void)
{
  int a, b, c, d;

  a = 3;
  b = 5;
  c = a, b;
  d = (a, b);
  printf("c=%d, ", c);
  printf("d=%d\n", d);
  return 0;
}