Reverse digits of an integer. Example1: x =
123, return 321 Example2: x = -123, return –321 这道题应该不用详细说了。比较简单。唯一的是要注意特殊值0.
public class Solution { publ...
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其他好文 时间:
2014-05-24 01:39:59
阅读次数:
170
题目:Two elements of a binary search tree (BST) are
swapped by mistake.Recover the tree without changing its structure.Note:A
solution using O(n) space ...
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其他好文 时间:
2014-05-23 11:31:51
阅读次数:
299
找出单词的最长公共前缀
class Solution {
public:
string longestCommonPrefix(vector &strs) {
int len=strs.size();
if(len==0)
return "";
int length=strs[0].size(),j;
...
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其他好文 时间:
2014-05-22 09:35:20
阅读次数:
230
1.错误描述一个数据较长时间未使用了,最近启动时出现如下错误:SQL>startupOracleinstancestarted.TotalSystemGlobalArea4932501504bytesFixedSize2103096bytesVariableSize889194696bytesDatabaseBuffers4026531840bytesRedoBuffers14671872bytesDatabasemounted.ORA-0109..
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数据库 时间:
2014-05-20 22:13:11
阅读次数:
466
【题目】
Write a program to solve a Sudoku puzzle by filling the empty cells.
Empty cells are indicated by the character '.'.
You may assume that there will be only one unique solution.
A sudoku puzzle...
...and its solution numbers marked in red.
...
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其他好文 时间:
2014-05-20 17:07:34
阅读次数:
335
background:又一个持续运行的程序,不断产生数据,而在主程序中不仅需要监控所产生的程序,同时还要能控制其运行状态。solution:不断产生数据的为一个线程,为达到需求,增加两个线程,其中辅线程用来不断监视产生数据线程的数据,而主线程则用来控制辅线程的运行与否(即是否监视)。一共涉及三个类,...
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编程语言 时间:
2014-05-20 09:21:53
阅读次数:
289
Given two binary strings, return their sum
(also a binary string).For example,a ="11"b ="1"Return"100".public class
Solution { public String addBin...
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其他好文 时间:
2014-05-19 12:15:49
阅读次数:
220
【题目】
Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Return the sum of the three integers. You may assume that each input would have exactly one solution.
For example, given array S = {...
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其他好文 时间:
2014-05-18 10:37:57
阅读次数:
269
对于本题,想到一个中序遍历后,判别是否为回文串的方法,却WA多次
class Solution {
public:
vector vectorValue;
void inOrder(TreeNode* root)
{
if(root!=NULL)
{
inOrder(root->left);...
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其他好文 时间:
2014-05-18 06:38:58
阅读次数:
294
3SumClosest
Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Return the sum of the three integers. You may assume that each input would have exactly one solution....
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其他好文 时间:
2014-05-18 05:57:48
阅读次数:
244