摘要: D - 4 CodeForces - 472... 阅读全文
posted @ 2019-02-18 11:08 gidear 阅读(89) 评论(0) 推荐(0) 编辑
摘要: D - 4 CodeForces - 472A One way to create a task is to learn from math. You can generate some random math statement or modify some theorems to get som 阅读全文
posted @ 2019-02-18 11:08 gidear 阅读(184) 评论(0) 推荐(0) 编辑