#include <stdio.h>
#include <stdlib.h>
#include <time.h>

/*#1)
int main(void){
  float a;
    double b;
    long double c;
    char d;
    short int e;
    int f;
    unsigned long int g;

    printf("%p\n", a);
    printf("%p\n", b);
    printf("%p\n", c);
    printf("%p\n", d);
    printf("%p\n", e);
    printf("%p\n", f);
    printf("%p\n", g);
}*/

/*#2)
int main(void){
  char min, maj;
  char *p = NULL;
 
  for(min = 'a', maj = 'A'; maj <= 'Z'; min++, maj++) {
    p = (p == &min) ? &maj : &min;
    putchar(*p);
  }
  putchar('\n');
  return EXIT_SUCCESS;
}*/

int main(void){
    if(time(NULL)%2){
        int x = 59;
        p = &x;
    
    } else {
        int y = 31;
        p = &y;
    }
    /* fragment inactif
    printf("x=%d\n", x);
    printf("y=%d\n", y);
    */
    printf("%d\n", *p);
    return EXIT_SUCCESS;
}