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

// by xgeek
void main() {
  char *chaine;
  char format[50];
  int taille;
  printf("Taille: ");scanf("%d",&taille);
  chaine = calloc(taille + 1,sizeof(char)); // allocation dynamique
  sprintf(format,"%%%ds",taille);
  scanf(format,chaine);
  printf("%s\n",chaine);
  free(chaine);

}