2018年2月27日
A - Chips
摘要： Gerald plays the following game. He has a checkered field of size n × n cells, where m various cells are banned. Before the game, he has to put a few 阅读全文
posted @ 2018-02-27 17:02 Veritas_des_Liberty 阅读(368) 评论(0) 推荐(0) 编辑