2014年7月15日
POJ3687——Labeling Balls(反向建图+拓扑排序)
摘要： Labeling BallsDescriptionWindy has N balls of distinct weights from 1 unit to N units. Now he tries to label them with 1 to N in such a way that:No tw... 阅读全文
posted @ 2014-07-15 10:27 Enumz 阅读(264) 评论(0) 推荐(1) 编辑