摘要: 题目链接:https://codeforces.com/contest/630 A Again Twenty Five! ? C Lucky Numbers ? B Moore's Law ? D Hexagons! ? J Divisibility ? 注意[2,10]的lcm是 $2^3 3^2 阅读全文
posted @ 2020-03-24 11:47 KisekiPurin2019 阅读(175) 评论(0) 推荐(0) 编辑