泊鸽

摘要： 1）逐个判断，太慢了！ 2）埃氏筛法，从2开始，1不是质数 class Solution: def countPrimes(self, n: int) -> int: isNumPrimes = [True] * n count = 0 for i in range(2, n): if isNumP 阅读全文

摘要： ?这是啥算法题。。 逐个判断写个循环即可 class Solution: def fizzBuzz(self, n: int) -> List[str]: result = [] for i in range(1,n+1): if i % 3 == 0 and i % 5 == 0 : result 阅读全文