Contest Clarifications

Problem 1003 联通子树的定义细节

scpointer | 2016-10-01 19:47:18Author

对于一棵树1<->2<->3<->4 单独把2,3抽出来算不算是原树的联通子树？

admin | 2016-10-01 20:11:12# 1

算