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Factorial Trailing Zeroes(析因,求尾随个0个数)
Given an integern, return the number of trailing zeroes inn! 这是LeetCode Online Judge上的一个原题:给定一个n,求n!中,末尾0的个数。思路n!中0的个数,可以将n!表示成 n!=m*10k,其中k就是题目要求的...
分类:其他好文   时间:2015-01-28 22:33:19    阅读次数:223
LeetCode --- 9. Palindrome Number
题目链接:Palindrome Number 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...
分类:其他好文   时间:2015-01-28 21:30:17    阅读次数:208
Oracle自动添加列
Oracle数据库的表格怎样才能想MySQL一样整数主键拥有自动增加功能呢? 前提你得创建一个表create table tab{ id number not null primary key,--主键 . . . } ...
分类:数据库   时间:2015-01-28 21:22:16    阅读次数:267
(树状数组) HOJ 2275
Number sequenceMy Tags(Edit)Source:SCU Programming Contest 2006 FinalTime limit: 1 secMemory limit: 64 MSubmitted: 1598,Accepted: 432Given a number se...
分类:编程语言   时间:2015-01-28 21:03:37    阅读次数:223
ZigZag Conversion
The string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font fo...
分类:其他好文   时间:2015-01-28 19:41:56    阅读次数:173
PHP递归算法
/** * 获取菜单 * @param number $id * @return multitype: */ public function menu($id = 0) { $menu = M ( 'menu' ); $arrlist = array (); // 数组必须初始化,否p...
分类:编程语言   时间:2015-01-28 17:27:51    阅读次数:143
在Tornado2.2配置的hardware->peripherals->serial->SIO内增加N_SIO_CHANNELS参数配置串口个数
1.找到文件\Tornado2.2\target\config\comps\vxWorks\00bsp.cdf2.在930行添加 Parameter N_SIO_CHANNELS { NAME number of system serial ports TYPE uint DEFAULT ...
分类:其他好文   时间:2015-01-28 17:25:58    阅读次数:242
Mysql日期
create?view?total? ????as?select?s.organization_name,s.name,s.sex,s.identity_card_number,date_format(s.final_into_association_time,‘%Y-%m-%d‘),s.number_of_worked_in_association,(year(now()...
分类:数据库   时间:2015-01-28 14:50:52    阅读次数:180
LeetCode --- 6. ZigZag Conversion
题目链接:ZigZag Conversion The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility) ...
分类:其他好文   时间:2015-01-28 14:45:26    阅读次数:93
General Palindromic Number (进制)
A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic number...
分类:其他好文   时间:2015-01-28 14:24:46    阅读次数:110
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