Description
Background
Binary trees are a common data structure in computer science. In this problem we will look at an infinite binary tree where the nodes contain a pair of integers. Th...
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其他好文 时间：
2014-08-01 19:39:52
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207
问题描述：
Given two binary trees, write a function to check if they are equal or not.
Two binary trees are considered equal if they are structurally identical and the nodes have the same value.
解题思路：...
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其他好文 时间：
2014-08-01 13:48:11
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183
Problem Description
Bob is a strategy game programming specialist. In his new city building game the gaming environment is as follows: a city is built up by areas, in which there are streets, trees...
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其他好文 时间：
2014-08-01 10:54:28
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315
题目： Given n, generate all structurally unique BST's (binary search trees) that store values 1...n.For example,Given n = 3, your program should return....
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编程语言 时间：
2014-08-01 04:53:31
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279
题目：Given n, how many structurally unique BST's (binary search trees) that store values 1...n?For example,Given n = 3, there are a total of 5 unique B....
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编程语言 时间：
2014-08-01 04:53:11
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272
Same TreeGiven two binary trees, write a function to check if they are equal or not.Two binary trees are considered equal if they are structurally ide...
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其他好文 时间：
2014-07-31 23:15:00
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201
题目：Given two binary trees, write a function to check if they are equal or not.Two binary trees are considered equal if they are structurally identica....
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编程语言 时间：
2014-07-31 02:24:15
阅读次数：
211
Hardwood SpeciesTime Limit: 10000MSMemory Limit: 65536KTotal Submissions: 18174Accepted: 7206DescriptionHardwoods are the botanical group of trees tha...
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其他好文 时间：
2014-07-29 17:19:42
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215
class Solution {private: vector res;public: vector generateTrees(int n) { res.clear(); res = dfs(1, n + 1); return res; ...
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其他好文 时间：
2014-07-27 23:28:19
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195
#include
#include
#include
#include
#include
#include
using namespace std;
const int maxn = 1000;
char s[maxn];
bool failed;
vector ans;
struct node
{
bool have_value;
int v;
node *left,*...
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其他好文 时间：
2014-07-27 11:54:43
阅读次数：
198
