#include <stdio.h>
#include <stdbool.h>

typedef enum {
  UNAUTHORIZED = 0B000000,
  READ = 0B000001,
  WRITE = 0B000010,
  EXECUTE = 0B000100,
  DELETE = 0B001000,
  CHANGE_PERMISSION = 0B010000,
  CHANGE_OWNER = 0B100000
} autorisationElementaire;

typedef int compositionAutorisations;

compositionAutorisations calculerCompositionAutorisations(autorisationElementaire r,
                                                          autorisationElementaire w,
                                                          autorisationElementaire x,
                                                          autorisationElementaire d,
                                                          autorisationElementaire p,
                                                          autorisationElementaire o) {
  compositionAutorisations cmp = r | w | x | d | p | o;
  return cmp;
}

bool testerAutorisation(compositionAutorisations ca, autorisationElementaire ae) {
  return (ca & ae) == ae;
}

int main(void) {
  printf("%d %d %d %d %d %d %d\n",UNAUTHORIZED,READ,WRITE,EXECUTE,DELETE,CHANGE_PERMISSION,CHANGE_OWNER);
  compositionAutorisations jeu = calculerCompositionAutorisations(READ,
                                                                  UNAUTHORIZED,
                                                                  EXECUTE,
                                                                  DELETE,
                                                                  UNAUTHORIZED,
                                                                  UNAUTHORIZED);
  printf("Valeur du jeu d'aurorisations : %d\n", jeu);
  printf("Lecture  : %d\n", testerAutorisation(jeu, READ));
  printf("Ecriture : %d\n", testerAutorisation(jeu, WRITE));
  return 0;
}