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

void main(void) {
  size_t taille1 = 5;
  printf("Allocation de %zu octets ", taille1 * sizeof(double));
  printf("pour un tableau de %zu double\n", taille1);
  double* ptr1 = (double*) malloc(taille1 * sizeof(double));
  if (ptr1 == NULL) {
    printf("Allocation avortee\n");
  }
  else {
    printf("Allocation reussie a l'adresse : %p\n", ptr1);
    printf("\n");
    for (int i = 0; i < taille1; i++) {
      printf("%lf\n", ptr1[i]);
    }
    printf("\n");
    for (int i = 0; i < taille1; i++) {
      ptr1[i] = 10.0;
    }
    for (int i = 0; i < taille1; i++) {
      printf("%lf\n", ptr1[i]);
    }
    printf("\n");
  }
  size_t taille2 = 80 * (1024ULL * 1024ULL * 1024ULL);
  double* ptr2 = (double*) malloc(taille2);
  printf("Tentative d'allocation de %zu octets ", taille2);
  printf("soit %zu Go\n", taille2 >> 30);
  if (ptr2 == NULL) {
    printf("Allocation avortee\n");
  }
  else {
    printf("Allocation reussie a l'adresse : %p\n", ptr2);
  }
}