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Counting sheep...
Counting sheep...Description:Consider an array of sheep where some sheep may be missing from their place. We need a function that counts the number of...
分类:其他好文   时间:2015-06-24 14:32:55    阅读次数:131
js值的类型和函数传参
javascript中所有函数的参数都是按值传递的!由于js中的值分为基本类型值和引用类型值,所以才会出现函数对外部值改变情况的不同。基本类型值指简单的数据段,而引用类型值指那些可能由多个值构成的对象。5种基本类型(Undefined Null String Number Boolean)是按值访问...
分类:Web程序   时间:2015-06-24 14:12:13    阅读次数:120
条件数(condition number)
In the field of numerical analysis, the condition number of a function with respect to an argument measures how much the output value of the function can change for a small change in the input argument...
分类:其他好文   时间:2015-06-24 13:00:32    阅读次数:143
POJ2155:Matrix(二维树状数组,经典)
Description Given an N*N matrix A, whose elements are either 0 or 1. A[i, j] means the number in the i-th row and j-th column. Initially we have A[i, j] = 0 (1 We can change the matrix in the f...
分类:编程语言   时间:2015-06-24 12:54:29    阅读次数:132
实验五:存储管理实验
#include"stdio.h"#include"stdlib.h"#include"time.h"struct wuli{ int wuli_number; char pname; /*已分配区表登记栏标志,用"0"表示空栏目*/}; /*内存表*/struct wuli wuli_...
分类:其他好文   时间:2015-06-24 12:51:39    阅读次数:102
cat主要有三大功能
cat主要有三大功能:1.一次显示整个文件。$ catfilename2.从键盘创建一个文件。$ cat>filename 只能创建新文件,不能编辑已有文件.3.将几个文件合并为一个文件: $catfile1file2 > file参数:-n 或 --number 由 1 开始对所有输出的行数编号-...
分类:其他好文   时间:2015-06-24 12:49:00    阅读次数:166
SGU180:Inversions(树状数组)
There are N integers (1A[j]. Input The first line of the input contains the number N. The second line contains N numbers A1...AN. Output Write amount of such pairs. Sample test(s)...
分类:编程语言   时间:2015-06-24 11:01:38    阅读次数:122
[Leetcode]Two Sum
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 numbers such that they add up to the target, whe...
分类:其他好文   时间:2015-06-24 10:59:38    阅读次数:112
为什么都反对XML而支持使用json呢?
一个使用上的因素:JSON的结构更容易映射至一般语言的数据结构。XML和JSON的主要组成成分:XML是element、attribute和element content。JSON是object、array、string、number、boolean(true/false)和null。XML要表示一...
分类:Web程序   时间:2015-06-24 10:41:35    阅读次数:128
LeetCode152:Maximum Product Subarray
Find the contiguous subarray within an array (containing at least one number) which has the largest product.For example, given the array [2,3,-2,4], the contiguous subarray [2,3] has the largest produ...
分类:其他好文   时间:2015-06-23 23:15:40    阅读次数:144
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