2019年7月14日
POJ-2762-Going from u to v or from v to u（强连通， 拓扑排序）
摘要： 链接： https://vjudge.net/problem/POJ 2762 题意： In order to make their sons brave, Jiajia and Wind take them to a big cave. The cave has n rooms, and one 阅读全文
posted @ 2019-07-14 09:28 YDDDD 阅读(192) 评论(0) 推荐(0)