2015年6月15日
【缩点+拓扑判链】POJ2762 Going from u to v or from v to u?
摘要： DescriptionIn order to make their sons brave, Jiajia and Wind take them to a big cave. The cave has n rooms, and one-way corridors connecting some roo... 阅读全文
posted @ 2015-06-15 20:34 CyanNode 阅读(169) 评论(0) 推荐(1) 编辑