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hdu 1019 最小公倍数
简单题 注意__int64 的使用Problem : 1019 ( Least Common Multiple ) Judge Status : AcceptedRunId : 10599776 Language : C++ Author : xiaoniuwinCode Ren...
分类:其他好文   时间:2014-07-22 23:06:34    阅读次数:311
POJ 2356 Find a multiple (dp + 鸽笼原理)
OJ题目:click here~~ 题目分析:n个数,从中取若干个数,和为n的倍数。给出一种取法。 因为只要给出其中一种方案就行,鸽笼原理可以求出取出的数为连续的方案。 关于鸽笼原理,点这里~ 直接贴过来: 有n+1件或n+1件以上的物品要放到n个抽屉中,那么至少有一个抽屉里有两个或两个以上物品。 如果你知道这个结论: a1,a2,a3...am是正整数序列,至少存在整数k和r,...
分类:其他好文   时间:2014-07-22 23:04:32    阅读次数:258
Effective Java 66 Synchronize access to shared mutable data
When multiple threads share mutable data, each thread that reads or writes the data must perform synchronization. Without synchronization, there is no...
分类:数据库   时间:2014-05-01 09:14:25    阅读次数:506
转 ABAP中USING与CHANGING的用法
ABAP中FORM参数的传递有以下几种方式。 1.引用传递(CALL BY REFERENCE) 传递参数时将参数的地址(ADDRESS)传至子程序中,也就是子程序中的参数变量与外部程序的参数变量共享地址内的值。又叫CALL BY ADDRESS,若子程序中的参数变量的值发生了改变,那么,外...
分类:其他好文   时间:2014-05-01 08:39:35    阅读次数:339
转 ABAP中使用for all entries in小结
ABAP开发中,使用for all entries in语句将不能使用join的聚集表(例如BSEG)或者需要使用select的内表与内表串联。以BSEG为例:select belnr hkontfrom bsisinto corresponding fields of table itab1whe...
分类:其他好文   时间:2014-05-01 08:38:54    阅读次数:336
[leetcode]Remove Nth Node From End of List @ Python
原题地址:http://oj.leetcode.com/problems/remove-nth-node-from-end-of-list/题意:Given a linked list, remove thenthnode from the end of list and return its he...
分类:编程语言   时间:2014-05-01 06:42:15    阅读次数:332
Memcached source code analysis (threading model)--reference
Look under the start memcahcedthreadingprocessmemcached multi-threaded mainly by instantiating multiple libevent, are a main thread and n workers thre...
分类:其他好文   时间:2014-05-01 06:15:27    阅读次数:356
用perl对字符串进行全角转半角操作
#全角转半角 #ljl use Encode; sub CheckSBC { my ($name)=@_; my @character; my $tmpname=$name; my $headname; my $k=0; for($ii=1; $ii 0) { my $he...
分类:其他好文   时间:2014-04-29 13:36:21    阅读次数:366
Sdut 2409 The Best Seat in ACM Contest(山东省第三届ACM省赛 H 题)(模拟)
题目描述 Cainiao is a university student who loves ACM contest very much. It is a festival for him once when he attends ACM Asia Regional Contest because he always can find some famous ACMers there. C...
分类:其他好文   时间:2014-04-28 10:33:40    阅读次数:340
Timus 1404. Easy to Hack! 有一个密码问题
When Vito Maretti writes an important letter he encrypts it. His method is not very reliable but it’s enough to make any detective understand nothing in that letter. Sheriff doesn’t like such state ...
分类:其他好文   时间:2014-04-27 21:45:00    阅读次数:459
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