摘要: treeAccepts: 143Submissions: 807Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)问题描述有一个树(nn个点, n-1n−1条边的联通图),点标号从11~nn,... 阅读全文
posted @ 2016-01-02 21:32 zhaop 阅读(199) 评论(0) 推荐(0) 编辑