Design an algorithm to encode an N-ary tree into a binary tree and decode the binary tree to get the original N-ary tree. An N-ary tree ...
Given a n ary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node. For example, given a arytree: We should ...
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Design an algorithm to encode an N-ary tree into a binary tree and decode the binary tree to get the original N-ary tree. An N-ary tree ...
Given an n-ary tree, return the postorder traversal of its nodes' values. For example, given a 3-ary tree: Return its postorder ...
Given an n-ary tree, return the preorder traversal of its nodes' values. For example, given a 3-ary tree: Return its preorder traversal ...
Given an n-ary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example, given a 3-ary ...
要求:求二叉树的深度(二叉树的深度为最远叶子节点到根节点的距离,即根节点到最远叶子节点的距离) 有两种求解的思路,一种采用DFS的思想,一种采用BFS的思想,如下代码所示: ...
Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down ...
Serialization is the process of converting a data structure or object into a sequence of bits ...
数据结构里面讲过:用递归,深度优先遍历或广度优先遍历都行 ...