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leetcode - Recover Binary Search Tree
题目:Recover Binary Search TreeTwo elements of a binary search tree (BST) are swapped by mistake.Recover the tree without changing its structure.Note:A ...
分类:其他好文   时间:2014-06-28 10:26:38    阅读次数:253
oj2892(字典树)
一改时间以后WA了,我就知道这题是考字典树,可惜代码怎么也不会敲了,郁闷。#include #include #include typedef struct Node{ int flag;struct Node *next[26];}Node,*Tree;char a[200010][6];int ...
分类:其他好文   时间:2014-06-24 14:31:01    阅读次数:161
LeetCode Validate Binary Search Tree
/** * Definition for binary tree * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x), left(...
分类:其他好文   时间:2014-06-24 13:40:33    阅读次数:214
LeetCode Balanced Binary Tree
/** * Definition for binary tree * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x), left(...
分类:其他好文   时间:2014-06-24 13:32:40    阅读次数:157
【Leetcode】Path Sum
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum. For example: Given the below binary tree and sum...
分类:其他好文   时间:2014-06-22 20:59:24    阅读次数:227
hust 1016 Black-White Tree
题目描述在图论中,包含n个结点(结点编号为1~n)、n-1条边的无向连通图被称为树。 在树中,任意一对结点间的简单路径总是惟一的。 你拥有一棵白色的树——所有节点都是白色的。接下来,你需要处理c条指令: 修改指令(0 v):改变一个给定结点的颜色(白变黑,黑变白); 查询指令(1 v):询问从结点1...
分类:其他好文   时间:2014-06-22 12:55:54    阅读次数:213
Vim 中文件目录浏览插件——NERD tree
说明 :vim的插件NERDTree用于使得vim窗口分左右窗口显示的用法说明。其中,左侧为目录的树形界面,简称为NERDTree界面,右则为vim界面。 一、配置步骤 下载地址: http://www.vim.org/scripts/script.php?script_id=1658 或者 htt...
分类:其他好文   时间:2014-06-22 11:53:04    阅读次数:258
Leetcode-Sum Root to Leaf Numbers
题目: Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 which represents the number 123. Find...
分类:其他好文   时间:2014-06-22 08:30:24    阅读次数:236
leetcode__Convert Sorted List to Binary Search Tree
Convert Sorted List to Binary Search Tree  Total Accepted: 12283 Total Submissions: 45910My Submissions Given a singly linked list where elements are sorted in ascending order, convert it...
分类:其他好文   时间:2014-06-21 23:57:00    阅读次数:351
【Leetcode】Path Sum II
Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum. For example: Given the below binary tree and sum = 22, 5 / ...
分类:其他好文   时间:2014-06-21 22:44:58    阅读次数:266
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