2015年3月9日

摘要: ChessAlmost everyone knows the problem of putting eight queens on anchessboard such that no Queen can take another Queen. Jan Timman (a famous Dutch c... 阅读全文

posted @ 2015-03-09 20:44 LLGemini 阅读(336) 评论(0) 推荐(0) 编辑

摘要: Problem HHARDLY HARDYou have been given the task of cutting out a quadrilateral slice of cake out of a larger, rectangular cake. You must find the sli... 阅读全文

posted @ 2015-03-09 18:41 LLGemini 阅读(152) 评论(0) 推荐(0) 编辑