题目
Given two integers n and k, return all possible combinations of k numbers out of 1 ... n.
For example,
If n = 4 and k = 2, a solution is:
[
[2,4],
[3,4],
[2,3],
[1,2],
[1,3],...
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其他好文 时间:
2014-06-15 14:10:54
阅读次数:
239
Problem Description
In a factory, there are N workers to finish two types of tasks (A and B). Each type has N tasks. Each task of type A needs xi time to finish, and each task of type B needs yj ti...
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其他好文 时间:
2014-06-15 11:26:42
阅读次数:
195
Description:Given a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->4, you should return the list as2->1->4->...
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其他好文 时间:
2014-06-15 07:35:31
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151
1. Introduction Mutual SSL authentication or certificate based mutual authentication refers to two parties authenticating each other through verifying...
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其他好文 时间:
2014-06-15 06:41:10
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351
SQL Server has two basics kinds of indexes. They are clustered and nonclustered indexes. There are some fundamental differences to the two which are k...
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其他好文 时间:
2014-06-15 06:30:52
阅读次数:
197
题目: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 ...
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其他好文 时间:
2014-06-15 00:53:09
阅读次数:
314
原题地址:https://oj.leetcode.com/problems/add-two-numbers/题意:You are given two linked lists representing two non-negative numbers. The digits are stored i...
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编程语言 时间:
2014-06-15 00:40:44
阅读次数:
328
水到家了#include #include #include using namespace std;struct Point{ int index, pos; Point(int index_ = 0, int pos_ = 0){ index = index_; ...
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其他好文 时间:
2014-06-14 21:21:40
阅读次数:
281
在11g 安装过程中默认只能指定一个 dg 用来存储:crs ,voting
但是oracle 官方一般建议我们这么来配置:
■
1、当ocr没有配置镜像,或者冗余存储时 最少3个ocr 。
如果底层存储不是RAID的话,oracle建议镜像OCR,镜像可以避免单点故障。
■ At least two OCR locations if OCR is configured on...
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数据库 时间:
2014-06-14 12:29:52
阅读次数:
447
数组的恒等 === 在文档中是这么说的:
Check whether two arrays or subarrays share the same storage and elements by comparing them with the identity operators (=== and !==).
数组的恒等 === 判断即判断两个数组所指向的元素存储区是否相同。
但 XCode 6 测试下来,结果大为迥异:var a = [1, 2, 3]; a === a 其结果却为 false,...
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其他好文 时间:
2014-06-14 11:39:39
阅读次数:
280