SPOJ COT2
摘要：
题目： DescriptionYou are given a tree withNnodes.The tree nodes are numbered from1toN.Each node has an integer weight.We will ask you to perfrom the fol... 阅读全文
posted @ 2015-09-07 10:52 forgot93 阅读(305) 评论(0) 推荐(0) 编辑
