摘要:好久没写数论题,今天在51nod抓了一道,发现自己早就把杜教筛忘得一干二净啦~ 所以今天我把杜教筛学习笔记整理一下,防止以后再次忘记 =v= [Warning] 杜教筛复杂度证明我暂时还不会 _ include include include include include define space 阅读全文
posted @ 2018-06-08 10:44 胡小兔 阅读(770) 评论(2) 推荐(0) 编辑