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第17章 特殊类成员
//*******引进静态成员变量的作用就是声明一个属于类而不属于对象的全局变量。意味着它为该类的所有实例所共享,//也就是说当某个类的实例修改了该静态成员变量,其修改值为该类的其它所有实例所见。//在某个类A中声明一个static int number;初始化为0。这个number就能被所有A的实...
分类:其他好文   时间:2014-06-29 00:00:21    阅读次数:233
[算法]有趣算法合辑[21-30]
题目21:有一分数序列:2/1,3/2,5/3,8/5,13/8,21/13...求出这个数列的前20项之和。 1.程序分析:请抓住分子与分母的变化规律。 2.程序源代码: main() { int n,t,number=20; float a=2,b=1,s=0; for(n=1;n<=number;n++)  {  s=s+a/b;  t=a;a=a+b;b=t;/*这部分是程序的关键...
分类:其他好文   时间:2014-06-18 11:44:33    阅读次数:176
Teradata 的rank() 和 row_number() 函数
Teradata数据库中也有和oracle类似的分析函数,功能基本一样。示例如下:RANK() 函数SELECT * FROM salestbl ORDER BY 1,2;storeid prodid sales----------- ------- ---------1001 ...
分类:其他好文   时间:2014-06-18 10:29:26    阅读次数:272
[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 nu...
分类:其他好文   时间:2014-06-18 10:17:40    阅读次数:174
Tips for C
1. sizeof(literal-string) is number of bytes plus 1 (NULL is included), while strlen(literal-string) is number of bytes.2. Printf and scanf formatBefo...
分类:其他好文   时间:2014-06-18 10:14:22    阅读次数:226
HDU-3473Minimum Sum
Problem Description You are given N positive integers, denoted as x0, x1 ... xN-1. Then give you some intervals [l, r]. For each interval, you need to find a number x to make as small as possible! ...
分类:其他好文   时间:2014-06-18 00:58:54    阅读次数:276
UML的基础元件之架构元件(三)
Structural Things An active class is a class whose objects own one or more processes or threads and therefore can initiate control activity. An active class is just like a class except that it...
分类:其他好文   时间:2014-06-17 22:44:27    阅读次数:310
PKU-2104-K-th Number
K-th Number Time Limit: 20000MS   Memory Limit: 65536K Total Submissions: 36045   Accepted: 11522 Case Time Limit: 2000MS Description You are working for Macrohard com...
分类:其他好文   时间:2014-06-17 22:17:07    阅读次数:410
Reverse Nodes in k-Group
题目 Given a linked list, reverse the nodes of a linked list k at a time and return its modified list. If the number of nodes is not a multiple of k then left-out nodes in the end should rem...
分类:其他好文   时间:2014-06-17 22:15:52    阅读次数:299
Palindrome Number
题目 Determine whether an integer is a palindrome. Do this without extra space. Some hints: Could negative integers be palindromes? (ie, -1) If you are thinking of converting the integer to ...
分类:其他好文   时间:2014-06-17 16:12:39    阅读次数:226
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