int main() { bool *sieve = new bool[n]; for (size_t i = 0; i < n; i++) sieve[i] = 0; eratosten(sieve); delete []sieve ; return 0; }
int main(void) { unsigned i; for (i = 0; i < n; i++) sieve[i] = 0; eratosten(n); return 0; }