import numba from typing import List @numba.jit(nopython=True) def sieve_of_eratosthenes(n: int) -> List[int]: assert n >= 2 is_prime = [True] * (n + 1) is_prime[0] = is_prime[1] = False # 0 和 1 不是素数 for start in range(2, int(n**0.5) + 1): if is_prime[start]: for multiple in range(start*start, n + 1, start): is_prime[multiple] = False primes = [num for num, prime in enumerate(is_prime) if prime] return primes all_primes = sieve_of_eratosthenes(2**31) print(len(all_primes), all_primes[:10], all_primes[-10:]) index = 3 caps = [all_primes[index]] while True: for i in range(index+1, len(all_primes)): last_cap = caps[-1] min_cap = last_cap * 2 if all_primes[i] >= min_cap: caps.append(all_primes[i]) index = i break else: break print('-'*20) print(caps)