Smallest Subtree with all the Deepest Nodes (M) 题目 Given the root of a binary tree, the depth of each node is the shortest distance to the root. Retur ...
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其他好文 时间:
2020-12-17 12:55:47
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"题目链接" 这明摆着是一道计数题,计数题能用些啥?dp?我不会拦你的。多项式?生成函数?没错,这道题就是生成函数。 不能难发现,深度=祖先数+1,而$i$是$j$的祖先,当且仅当对任意在$i$和$j$之间的整数$k$,均满足$a_ij)\end{cases} $$ 方法:考虑先往序列里面插入所有下 ...
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2020-02-25 23:15:12
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Leetcode Tree Depth-first Search Given preorder and inorder traversal of a tree, construct... ...
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2019-10-02 21:08:04
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Given a binary tree, design an algorithm which creates a linked list of all the nodes at each depth.(e.g., if you have a tree with depth D, you'll hav ...
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2018-06-16 01:01:26
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4.4 Given a binary tree, design an algorithm which creates a linked list of all the nodes at each depth (e.g., if you have a tree with depth D, you'll...
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2015-08-02 00:55:41
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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.Hide Tags: Tree ,Depth-first Search/**
* D...
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其他好文 时间:
2015-07-06 12:29:01
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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.
分析;
此题是求二叉树的深度,(无所谓最大深度),用递归的方法很容...
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其他好文 时间:
2015-05-14 14:18:49
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problem:
Given an array where elements are sorted in ascending order, convert it to a height balanced BST.
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题意:将一个递增的序列 转换成一棵 平衡查找二叉树
...
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其他好文 时间:
2015-04-23 10:59:34
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Given an array where elements are sorted in ascending order, convert it toa height balanced BST.
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Tree Depth-first
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#pragma once
#include
#include
using namespace std;...
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其他好文 时间:
2015-02-02 23:14:33
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