TV-tree的c實(shí)現(xiàn)源碼,對(duì)應(yīng)原文章K.-I. Lin, H. V. Jagadish, C. Faloutsos: The TV-Tree: An Index Structure for High-Dimensional Data.
上傳時(shí)間: 2014-11-26
上傳用戶:lxm
Java Regex Primer Since version 1.4, Java has had support for Regular Expressions in the core API. Java Regex follows the same basic principles used in other languages, just withdi erent access methods, and some subtledi erences with the patterns. This primer is aimed towards developers already familiar with regex in other languages wanting a brief outline of its support in Java. It may also be beneficial to developers learning regex if used in conjunction with detailed documentation explaining the construction of regex patterns. Reading the javadoc forjava.util.regex. Pattern is a must to see how the Java regex patterns aredi erent from other languages such as Perl. Most of the functions discussed herin are from thejava.util.regex. Matcher class with a few fromjava.util.regex. Pattern. Reading this text in conjunction with the javadoc of those classes is advised.
標(biāo)簽: Java Expressions Regular version
上傳時(shí)間: 2013-12-18
上傳用戶:lanhuaying
經(jīng)典C語言程序設(shè)計(jì)100例1-10 如【程序1】 題目:有1、2、3、4個(gè)數(shù)字,能組成多少個(gè)互不相同且無重復(fù)數(shù)字的三位數(shù)?都是多少? 1.程序分析:可填在百位、十位、個(gè)位的數(shù)字都是1、2、3、4。組成所有的排列后再去 掉不滿足條件的排列。 2.程序源代碼: main() { int i,j,k printf("\n") for(i=1 i<5 i++) /*以下為三重循環(huán)*/ for(j=1 j<5 j++) for (k=1 k<5 k++) { if (i!=k&&i!=j&&j!=k) /*確保i、j、k三位互不相同*/ printf("%d,%d,%d\n",i,j,k) } }
標(biāo)簽: 100 10 C語言 程序設(shè)計(jì)
上傳時(shí)間: 2013-12-14
上傳用戶:hfmm633
數(shù)字游戲_Java版,一個(gè)用java寫的數(shù)字游戲,壓縮包中包括試玩的兩個(gè)題目和答案。
上傳時(shí)間: 2014-12-02
上傳用戶:003030
AR模型的Burg算法的matlab程序! 只要把程序里面的K的值改為所求問題的階次,把x改成所求問題的數(shù)據(jù)矢量就可以非常方便的求出Burg算法的AR模型的參數(shù)!
上傳時(shí)間: 2016-03-25
上傳用戶:zyt
最新的i.mx27和i.mx31 的wince6.0 bsp開發(fā)包,完整版,i.mx27是目前最強(qiáng)大的arm926處理器。
上傳時(shí)間: 2016-04-09
上傳用戶:獨(dú)孤求源
A framework written in Java for implementing high-level and dynamic languages, compiling them into Java bytecodes. An implementation of Scheme, which is in the Lisp family of programming languages. Kawa is a featureful dialect in its own right, and additionally provides very useful integration with Java. It can be used as a “scripting language”, but includes a compiler and all the benefits of a “real” programming language, including optional static typing.
標(biāo)簽: implementing high-level framework compiling
上傳時(shí)間: 2014-01-05
上傳用戶:libinxny
動(dòng)態(tài)規(guī)劃的方程大家都知道,就是 f[i,j]=min{f[i-1,j-1],f[i-1,j],f[i,j-1],f[i,j+1]}+a[i,j] 但是很多人會(huì)懷疑這道題的后效性而放棄動(dòng)規(guī)做法。 本來我還想做Dijkstra,后來變了沒二十行pascal就告訴我數(shù)組越界了……(dist:array[1..1000*1001 div 2]...) 無奈之余看了xj_kidb1的題解,剛開始還覺得有問題,后來豁然開朗…… 反復(fù)動(dòng)規(guī)。上山容易下山難,我們可以從上往下走,最后輸出f[n][1]。 xj_kidb1的一個(gè)技巧很重要,每次令f[i][0]=f[i][i],f[i][i+1]=f[i][1](xj_kidb1的題解還寫錯(cuò)了)
標(biāo)簽: 動(dòng)態(tài)規(guī)劃 方程 家
上傳時(shí)間: 2014-07-16
上傳用戶:libinxny
Java推箱子游戲(一共有50關(guān)卡,帶好聽的音效),完整版源碼,圖形界面,看上去夠?qū)I(yè)。界面和泡泡堂游戲有點(diǎn)相似,學(xué)習(xí)游戲編程的JAVA朋友值得一看。
標(biāo)簽: Java
上傳時(shí)間: 2014-07-04
上傳用戶:jjj0202
//Euler 函數(shù)前n項(xiàng)和 /* phi(n) 為n的Euler原函數(shù) if( (n/p) % i == 0 ) phi(n)=phi(n/p)*i else phi(n)=phi(n/p)*(i-1) 對(duì)于約數(shù):divnum 如果i|pr[j] 那么 divnum[i*pr[j]]=divsum[i]/(e[i]+1)*(e[i]+2) //最小素因子次數(shù)加1 否則 divnum[i*pr[j]]=divnum[i]*divnum[pr[j]] //滿足積性函數(shù)條件 對(duì)于素因子的冪次 e[i] 如果i|pr[j] e[i*pr[j]]=e[i]+1 //最小素因子次數(shù)加1 否則 e[i*pr[j]]=1 //pr[j]為1次 對(duì)于本題: 1. 篩素?cái)?shù)的時(shí)候首先會(huì)判斷i是否是素?cái)?shù)。 根據(jù)定義,當(dāng) x 是素?cái)?shù)時(shí) phi[x] = x-1 因此這里我們可以直接寫上 phi[i] = i-1 2. 接著我們會(huì)看prime[j]是否是i的約數(shù) 如果是,那么根據(jù)上述推導(dǎo),我們有:phi[ i * prime[j] ] = phi[i] * prime[j] 否則 phi[ i * prime[j] ] = phi[i] * (prime[j]-1) (其實(shí)這里prime[j]-1就是phi[prime[j]],利用了歐拉函數(shù)的積性) 經(jīng)過以上改良,在篩完素?cái)?shù)后,我們就計(jì)算出了phi[]的所有值。 我們求出phi[]的前綴和 */
標(biāo)簽: phi Euler else 函數(shù)
上傳時(shí)間: 2016-12-31
上傳用戶:gyq
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