Given a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary tree in which the depth...
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其他好文 时间:
2014-06-28 10:07:19
阅读次数:
208
#include "my_file.h"
//将文件内容拷贝到指定文件
int mycopy(const char *filename)
{
ifstream infile(filename, ios::binary);
ofstream outfile("TRACE.txt", ios::binary);
if (!infile.is_open() || !outfile...
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其他好文 时间:
2014-06-28 08:46:56
阅读次数:
199
Maximum Depth of Binary TreeGiven a binary tree, find its maximum depth.The maximum depth is the number of nodes along the longest path from the root ...
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其他好文 时间:
2014-06-27 23:13:24
阅读次数:
218
Iterative ways: 1 int binarySearch (int[] a, int x) { 2 int low = 0; 3 int high = a.length - 1; 4 int mid; 5 6 while (low x) {12 ...
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其他好文 时间:
2014-06-27 22:27:06
阅读次数:
361
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 BST's...
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其他好文 时间:
2014-06-27 18:22:07
阅读次数:
191
题目:输入一棵二叉树的根节点,求该树的深度题解分析:二叉树具有天然的递归性,首先应该想递归解法/** * Definition for binary tree * struct TreeNode { * int val; * TreeNode *left; * TreeNod...
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其他好文 时间:
2014-06-27 15:58:59
阅读次数:
206
在MySQL线上环境我们一般只打开了binary log,slow log,有时我们需要查看general log呢?因为该log记录所有的请求,打开该日志肯定给磁盘造成很大压力,IO能力有所下降,所以该日志线上一般不打开的,这就到tcpdump闪亮登场了。tcpdump用法也不算复杂,输出就比较复...
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数据库 时间:
2014-06-27 13:48:17
阅读次数:
385
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 the tota...
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其他好文 时间:
2014-06-27 09:53:29
阅读次数:
208
Given a binary tree, determine if it is a valid binary search tree (BST).
Assume a BST is defined as follows:
The left subtree of a node contains only nodes with keys less than the node's key....
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其他好文 时间:
2014-06-27 09:15:12
阅读次数:
196
Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area.时间复杂度O(n^3),最大全1子矩阵,利用直方图求解,可以参考对...
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其他好文 时间:
2014-06-26 15:08:46
阅读次数:
164