Tfe

Old stuff/ecole_etude_fac_de_pau/licence_2/struct/tp6/factorielle.c

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


int fact(int n)
{
  if (n>20) { return 0; }
  if (n<0)
{
  printf("impossible"); 
  return 0;
}
else if (n<2) 
{
  return 1;
}
else {
  return (fact(n-1)*n);
}
}


int main()
{
  int n;
  printf("entrez une valeur : ");
  scanf("%d",&n);
  printf("Resultat=%d\n",fact(n));
}