如果你96pts且错在10号点,提示Wrong Answer.wrong answer On line 1 column 8, read 0, expected 1.
Wrong Answer.wrong answer On line 1 column 8, read 0, expected 1.
请检查你判断叶子节点是不是为e[u].size()==1 这会导致只有1个儿子的根节点1被判为叶子
e[u].size()==1
应改为u!=1&&e[u].size()==1||u==1&&e[u].size()==0
u!=1&&e[u].size()==1||u==1&&e[u].size()==0