摘要: 树形dp 大水题,直接放代码了qwq(第二位用0 1 2表示三种状态,大力dp就好了) include include include include include include include include using namespace std; const int maxn=100006 阅读全文
posted @ 2018-09-11 19:29 Splitor 阅读(99) 评论(0) 推荐(0) 编辑