public int countNodes(TreeNode root) { if (root == null) { return 0; } //因为当前树是 complete binary tree //所以可以通过从最左边和从最右边得到的高度判断当前是否是 perfect binary tree TreeNode left = root; int h1 = 0; while (left != null) { h1++; left = left.left; } TreeNo...
In a complete binary tree every level, except possibly the last, is completely filled, and all nodes in the last level are as far left as possible. It can have between 1 and 2h nodes inclusive at the last level h. 链接:http://leetcode.com/problems/count-complete-tree-nodes/ 题解: ...
Given a complete binary tree, count the number of nodes. Note: Definition of a complete binary tree fromWikipedia: In a complete binary tree every level, except possibly the last, is completely filled, and all nodes in the last level are as far left as possible. It can have between 1 a...
Given a complete binary tree, count the number of nodes. Definition of a complete binary tree from Wikipedia: In a complete binary tree every level, except possibly the last, is completely filled, and all nodes in the last level are as far left as possible. It can have between 1 and 2h...
In a complete binary tree every level, except possibly the last, is completely filled, and all nodes in the last level are as far left as possible. It can have between 1 and 2hnodes inclusive at the last level h. 思路: 满二叉树每层结点数目是2^(h-1),共2^h-1。利用上述定理,递归求...
Given a complete binary tree, count the number of nodes. Note: Definition of a complete binary tree from Wikipedia: In a complete binary tree every level, except possibly the last, is completely filled, and all nodes in the last level are as far left as possible. It can have between 1...
222. Count Complete Tree Nodes Given a complete binary tree, count the number of nodes. Definition of a complete binary tree from Wikipedia: In a complete binary tree every level, except possibly the last, is completely filled, and all nodes in the last level are as far left as possible....
Can you solve this real interview question? Count Good Nodes in Binary Tree - Given a binary tree root, a node X in the tree is named good if in the path from root to X there are no nodes with a value greater than X. Return the number of good nodes in t
Count Complete Tree Nodes https://leetcode.com/problems/count-complete-tree-nodes/ Given a complete binary tree, count the number of nodes. Note: Definition of a complete binary tree from Wikipedia: In a complet...#Leetcode# 222. Count Complete Tree Nodes https://leetcode.com/problems/...
Count Complete Tree Nodes Given a complete binary tree, count the number of nodes. Note: Definition of a complete binary tree from Wikipedia: In a complete binary tree every level, except possibly the last, is completely fille...LeetCode-222. Count Complete Tree Nodes https://leetcode....