Live2d Test Env
摘要: In an edge-weighted tree, the xor-length of a path p is defined as the xor sum of the weights of edges on p: ⊕ is the xor operator. We say a path the 阅读全文
posted @ 2018-01-09 16:33 nimphy 阅读(564) 评论(0) 推荐(1) 编辑