Given a binary tree, find its minimum depth.The minimum depth is the number of nodes along the shortest path from the root node down to the nearest leaf node.思想:先序遍历。注意的是: 当只有一个孩子结点时,深度是此孩子结点深度加 1 ....
LeetCode 111 题,Minimum Depth of Binary Tree 解题思路 1、读题,求解二叉树的最小Depth。 2、用bfs 去解决,队列带上每层的层数。当有一个节点的左右子树都为空时,返回当前层数,就找到解。 Python 代码 # De…
Given a binary tree, find its minimum depth. The minimum depth is the number of nodes along the shortest path from the root node down to the nearest leaf node. 方法一:后序遍历这颗树,先分别求出左右两颗子树的高度,在取最小,代码如下: 1/**2* Definition for binary tree3* struct TreeNode...
Given the root of a binary tree, return its maximum depth.A binary tree's maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node. 英文版地址 leetcode.com/problems/m 中文版描述 给定一个二叉树,找出其最大深度。二叉树的深度为根节点到...
Tree - Depth of Binary Tree 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 to the farthest leaf node. 这题要求我们求出一个二叉树最大深度,也就是从根节点到最远的叶子节点的距离。
Given a binary tree, find its minimum depth. The minimum depth is the number of nodes along the shortest path from the root node down to the nearest leaf node. 题意:求出二叉树的最小深度 思路: minDepth(root) = 1 + min(minDepth(root->left), minDepth(root->right)); ...
The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node. 求给定二叉树的最大的深度,最大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. /** * Definition for a binary tree node. ...
Binary treeDepth-first traversalNon-recursiveThe recursive algorithms for depth-first traversal of a binary tree are widely expatiated upon in data structure textbooks. There are three depth-first traversal sequences for a binary tree, preorder, inorder, and postorder traversal sequences. My ...
树的深度(depth)怎么求?书上资料写着 the depth of a tree is the largest level number of the tree.可是其他资料有写着是 树根到节点最长的距离那 A(B,C(d))depth是 3 还是 2?那 A binary tree with depth k is call
A、(i) Each leaf in the tree is either at level “d” or at level “d–1” B、(ii) For any node “n” in the tree with a right descendent at level “d” all the left descendents of “n” that are leaves, are also at level “d” C、Both (i) & (ii) D、