随笔分类 - CF

摘要：原题：http://codeforces.com/contest/338/problem/D题解：基本题意：是否存在。可以设：整理得：这样就可以用合并方程的方法求出x和lcm，而行数i就为lcm。检验答案是否正确就可以了。注意：这道题数较大要用到快速乘。#includ... 阅读全文

posted @ 2018-12-23 21:15 Exception2017 阅读(242) 评论(0) 推荐(0)

CF 875DHigh Cry

摘要：Disclaimer: there are lots of untranslateable puns in the Russian version of the statement, so there is one more reason for you to lea... 阅读全文

posted @ 2018-11-03 22:13 Exception2017 阅读(183) 评论(0) 推荐(0)

Exception2017