食物链 题目来源 Description 动物王国中有三类动物A,B,C,这三类动物的食物链构成了有趣的环形。A吃B, B吃C,C吃A。现有N个动物,以1-N编号。每个动物都是A,B,C中的一种,但是我们并不知道它到底是哪一种。有人用两种说法对这N个动物所构成的食物链关系进行描述:第一种说法是”1 X Y”,表示X和Y是同类。第二种说法是”2 X Y” […]
Polygon 题目来源 Description Polygon is a game for one player that starts on a polygon with N vertices, like the one in Figure 1, where N=4. Each vertex is labelled with an integer and each edge is labell […]
热烈庆祝CZTCODE累计文章100篇! Camelot 题目来源 Description Centuries ago, King Arthur and the Knights of the Round Table used to meet every year on New Year’s Day to celebrate their fellowship. In remembranc […]