AMEX PRG 买100的AA GIFT CARD 给报吗?# Money - 海外理财
j*l
1 楼
Given a root of a tree. The tree may be of any depth and width,
each node may have any number of child nodes.
This method should transform a tree in such a way
that each node (except probably one) would either have N or 0 children
class Node {
T data;
List> children;
}
each node may have any number of child nodes.
This method should transform a tree in such a way
that each node (except probably one) would either have N or 0 children
class Node
T data;
List
}
