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poj3244(公式题)
Difference between Triplets Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 2476   Accepted: 800 Description For every pair of triplets, Ta = (Ia, Ja, Ka) ...
分类:其他好文   时间:2014-10-11 15:22:05    阅读次数:139
Difference between applicationContext.xml and spri
Spring lets you define multiple contexts in a parent-child hierarchy. The?applicationContext.xml?defines the beans for the "root webapp context", i.e. the context associated with the webapp. The...
分类:移动开发   时间:2014-10-11 13:45:55    阅读次数:205
Python中的集合SET
Python中的set和其他语言类似,是一个无序不重复元素集,基本功能包括关系测试和消除重复元素。集合对象支持union(联合),intersection(交),difference(差)和sysmmetricdifference(对称差集)等数学运算。set支持xinset,len(set)和forxinset等操作。作为一个无序的集合,set不..
分类:编程语言   时间:2014-10-11 09:10:45    阅读次数:215
UVA 11997 - K Smallest Sums(优先队列+多路合并)
UVA 11997 - K Smallest Sums题目链接题意:给定k个数组,每一个数组k个数字,要求每一个数字选出一个数字,构成和,这样一共同拥有kk种情况,要求输出最小的k个和思路:事实上仅仅要能求出2组的前k个值,然后不断两两合并就能够了,由于对于每两组,最后答案肯定是拿前k小的去组合。然...
分类:其他好文   时间:2014-10-09 01:48:37    阅读次数:186
poj 3579 Median
MedianTime Limit:1000MSMemory Limit:65536KTotal Submissions:3882Accepted:1139DescriptionGivenNnumbers,X1,X2, ... ,XN, let us calculate the difference ...
分类:其他好文   时间:2014-10-08 02:35:04    阅读次数:260
JavaScript constructors, prototypes, and the `new` keyword
Are you baffled(阻碍;使迷惑) by thenewoperator in JavaScript? Wonder what the difference between a function and a constructor is? Or what the heck a protot...
分类:编程语言   时间:2014-10-05 02:10:27    阅读次数:326
JavaScript constructors, prototypes, and the `new` keyword
Are you baffled(阻碍;使迷惑) by thenewoperator in JavaScript? Wonder what the difference between a function and a constructor is? Or what the heck a protot...
分类:编程语言   时间:2014-10-05 01:04:07    阅读次数:390
iOS面试题最全集锦
1.Difference between shallow copy and deep copy??浅复制和深复制的区别??答案:浅层复制:只复制指向对象的指针,而不复制引用对象本身。?深层复制:复制引用对象本身。?意思就是说我有个A对象,复制一份后得到A_copy对象后,对于浅复制来说,A和A_co...
分类:移动开发   时间:2014-10-03 22:25:15    阅读次数:507
TThreadMethod and TThreadProcedure
http://embarcadero.newsgroups.archived.at/public.delphi.rtl/201112/1112035763.html> Hi,>> What is the difference between these two definitions:>> TThr...
分类:其他好文   时间:2014-10-02 19:50:43    阅读次数:251
uva 11997 K Smallest Sums
首先对每行进行排序,并对与前两行有$A = a_1 \leq a_2 \leq \cdots \leq a_k$和$B = b_1 \leq b_2 \leq \cdots \leq b_k$。首先把所有的$b_i , i\in [1,k]$与$a_1$进行求和,并加入优先队列中。其中最小的必然是$...
分类:其他好文   时间:2014-10-02 00:24:41    阅读次数:202
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