// Broken version of factorial with "gotcha"
int fact_broken (int n) {
  if (n = 0) 
    return 1;
  else 
    return n*fact_broken(n-1);
}

// Correct version of factorial:
int fact (int n) {
  if (n == 0) 
    return 1;
  else 
    return n*fact(n-1);
}

// Testing 
int main () {
  printf("fact(5)=\n");
  printf("%d\n", fact(5));
  printf("fact_broken(5)=\n");
  printf("%d\n", fact_broken(5));
}