Given an array of integers, find two numbers such that they add up to a specific target number. The function twoSum should return indices of the two n...
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其他好文 时间:
2014-10-19 01:13:19
阅读次数:
210
Description
Farmer John's cows have discovered that the clover growing along the ridge of the hill (which we can think of as a one-dimensional number line) in his field is particularly good.
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编程语言 时间:
2014-10-19 00:08:59
阅读次数:
331
一次AC题目要求中有空间限制,因此没有采用字符串由量变向中间逐个对比的方法,而是采用计算翻转之后的数字与x是否相等的方法; 1 class Solution: 2 # @return a boolean 3 def isPalindrome(self, x): 4 o...
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编程语言 时间:
2014-10-18 23:50:28
阅读次数:
299
Problem:Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the ...
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其他好文 时间:
2014-10-18 23:48:28
阅读次数:
156
Limit() 方法要限制 MongoDB 中的记录,需要使用limit()方法。limit()方法接受一个数字型的参数,这是要显示的文档数。语法:limit()方法的基本语法如下>db.COLLECTION_NAME.find().limit(NUMBER)示例考虑集合myycol具有以下的数据{...
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数据库 时间:
2014-10-18 22:07:47
阅读次数:
225
Given a binary tree, find its maximum depth.The maximum depth is the number of nodes along the longest path from the root node down to the farthest le...
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其他好文 时间:
2014-10-18 20:57:37
阅读次数:
229
Description
Let A1, A2, ... , AN be N elements. You need to deal with two kinds of operations. One type of operation is to add a given number to a few numbers in a given interval. The other is to q...
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编程语言 时间:
2014-10-18 16:59:56
阅读次数:
321
Querying or Reading DataOpenTSDB offers a number of means to extract data such as CLI tools, an HTTP API and as a GnuPlot graph. Querying with OpenTSD...
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数据库 时间:
2014-10-18 16:55:03
阅读次数:
452
如果我们有一个表Student,包含下面字段与数据:drop table student;create table student(id int primary key,name nvarchar2(50) not null,score number not null);insert into st...
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其他好文 时间:
2014-10-18 15:18:15
阅读次数:
210
函数名:labs功能:取长整型绝对值用法:longlabs(longn);程序例:#include#includeintmain(void){longresult;longx=-12345678L;result=labs(x);printf("number:%ldabsvalue:%ld\n",x....
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其他好文 时间:
2014-10-18 15:14:25
阅读次数:
282