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

void main(void) {
  int n = 1000000;
  size_t taille = n * sizeof(double);
  printf("%zu\n", taille);
  double* td = (double*) malloc(taille);
  printf("%zu %p %p\n", sizeof(td), &td, td);
  if (td != NULL) {
    for (int i = 0; i < n; i++) {
      td[i] = (rand() % 101) / 100.0;
    }
    double somme = 0.0;
    for (int i = 0; i < n; i++) {
      somme += td[i];
    }
    double moyenne = somme / n;
    printf("%lf\n", moyenne);
  }
  if (td != NULL) {
    free(td);
    td = NULL;
  }
}