摘要: study from: https://www.zhihu.com/question/35090745 https://blog.csdn.net/CABI_ZGX/article/details/82530925 对于两个树a,b,根节点分别为ra,rb,树的子节点分别为ga,gb 如果ra并到r 阅读全文
posted @ 2019-07-15 11:10 congmingyige 阅读(218) 评论(0) 推荐(0) 编辑