2019年4月19日
L - Non-Prime Factors （质数筛选+因子分解）
摘要： In many programming competitions, we are asked to find (or count the number of) Prime Factors of an integer i. This is boring. This time, let’s count 阅读全文
posted @ 2019-04-19 00:34 丿不落良辰 阅读(546) 评论(0) 推荐(0) 编辑