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Bzoj 1099 ([POI2007] Tree Drz-9 sub-segment Tree & Category discussion + segment tree and Insertion Order Maintenance 2 parameters)

1099: [POI2007] Tree drz time limit: $ Sec Memory Limit: 162 MB Submit: 142 Solved: 55 [Submit] [Status] DescriptionCDQZ is a remote elementary school, and FGD has a row of trees in its schools. He did not like the order of the trees, for they were so uneven in height and height. FGD defines the degree of ataxia of these trees as well as the height difference of the two adjacent trees. The height of the tree was H1,h2,h3,..., HN

C + + Essay: GC exploration of. NET CoreCLR (2)

) {//If you have defined a 64-bit ... That is, the CLR of this GC is the # if defined (BIT64) running on the 64-bit runtime///If the weak storage pointer PS is defined: I don't know how to translate, simply translate low to weak. if (low_memory_p) {//1. Initialize: All allocated space size_t total_allocated = 0;//All "Want" allocated space size_t total_desired = 0;// If you define a complex heap (my own translation) #ifdef multiple_heaps int HN = 0

Introduction to php MessagePack

/local/hx/php/bin/php-configMake make install Add msgpack. so to php. ini, restart php, and complete the installation.Start test:$ Data = array (0 => 'abcdefhijklmnopqrstuvwxy', 1 => 'xiamen ', 'abc' => '123 ');Msgpack_pack, json_encode, and serialize are respectively set to 50, 62, and 87.Then execute the command 10000 times, respectively. The time consumed is 9.95 milliseconds, 17.45 milliseconds, and 8.85 milliseconds.Unlocks 10000 executions, time consumed: 14.76 milliseconds, 23.93 millise

3.3. Mapping methods with several source parameters (mapping method with multiple source parameters)

report an error. For a property that exists only once in a given source object, you can optionally specify the name of the source parameter, because it can be determined automatically.Note: When using @Mapping annotations, it is necessary to determine which parameter the attribute is specific to.If all the source parameters are null, the mapping method with more than one source parameter returns NULL. Otherwise, the target object is instantiated and all properties in the supplied parameters are

VMware Virtual machine Cloning CentOS 6.5 Nic Modified Bunker method

=10.10.100.2[0-9]\{1,\}"/"Ipaddr=10.10.100.${inpip}"/${netfile}ifcfg-eth0 sed-I. s/"HWADDR=${NETF2}"/"hwaddr=${net702}"/${netfile}ifcfg-eth1 # Modify config file, restart effective (permanent) Read-P"Enter your hostname>>"HN Currhn=' hostname ' sed-I. s/"Hostname=${currhn}"/"Hostname=${hn}"/${hostfile} # Direct Config # hostname ${hn}} Disabsomser () {Service ipt

Basic commands for Linux system Management

the specified folder or file and display the sum (8) Sort: Sorts the contents of the text file; Example: Sort-n //Sort by a small number NBSP ; NBSP;SORT-R-N//reverse-order by numeric size (9) grep: Find matching string in file; Example: grep "match_string" filename1 filename2 filename 3. //find matching strings in multiple files grep "match_string" filename-hn//find string , and lists the file name and line number of the matching result

PHP messagepack Introduction _php Tips

.tgz CD msgpack-0.5.2 /usr/local/hx/php/bin/phpize ./configure--with-php-config=/usr/local/hx/php/bin/php-config Make make install Then add the msgpack.so to the php.ini, restart PHP, and complete the installation. To start the test: $data = Array (0=> ' abcdefghijklmnopqrstuvwxyz ',1=> ' Xiamen ', ' abc ' => ' 1234567890 '); The length of the msgpack_pack,json_encode,serialize is: 50,62,87 Then execute 10,000 times, time consuming: 9.95 milliseconds, 17.45 milliseconds, 8.85

INFLUXDB Concepts and basic operations

Tags: value duration duplicate function does not duplicate dictionary port CPU alterINFLUXDB Basic Concept data formatIn InfluxDB, we can take a rough look at the data that will be deposited as a virtual key and its corresponding value (field value). The format is as follows:cpu_usage,host=server01,region=hn-zhengzhou value=0.64 1434055562000000000The virtual key consists of the following parts: database, retention policy, measurement, tag sets, field

Hdu6172-array Challenge

Array Challenge Time limit:2000/1000 MS (java/others) Memory limit:153428/153428 K (java/others)Total submission (s): Accepted submission (s): 24 Problem DescriptionThere's an array, that's generated by following rule.H0=2,h1=3,h2=6,hn=4hn−1+17hn−2−12hn−3−16And let us define the arrays Bnandan as below.bn=3hn+1hn+9hn+1hn−1+9h2n+27hnhn−1−18hn+1−126hn−81hn−1+192 (n>0)an=bn+4nNow, you have to Print⌊√ (an) ⌋, n>1.Your answer could is very large so print

Export and save the csvexcel file in phpmysql

The hosts file is OK, and the instance code is OK like the .. hosts file. the instance code is as follows: Query ($ SQL); $ rs = $ db-> fetch ($ result, 0); foreach ($ rs as $ v => $ vv) {$. = $ vv ['name']. ','. $ vv ['Mo']. ","; $. = date ('Y-m-D', $ vv ['Times']). "" ;}// open source code phprm.com//echo $ a; $ hod = fopen ($ filename, "w +"); if (fwrite ($ hod, $ )) {echo "excel file generated successfully. right-click save as excel file ";} Data structure, the code is as follows: -- Tabl

PhpMessagePack _ PHP Tutorial

. Installation process: The code is as follows: Wget http://pecl.php.net/get/msgpack-0.5.2.tgzTar zxf msgpack-0.5.2.tgzCd msgpack-0.5.2/Usr/local/hx/php/bin/phpize./Configure -- with-php-config =/usr/local/hx/php/bin/php-configMake make install Add msgpack. so to php. ini, restart php, and complete the installation. Start test: $ Data = array (0 => 'abcdefhijklmnopqrstuvwxy', 1 => 'xiamen ', 'ABC' => '123 '); Msgpack_pack, json_encode, and serialize are respectively set to 50, 62, and 8

Phpmysql export csvexcel files and save _ PHP Tutorial

structure---- Table structure 'hn _ tugou'-- Create table if not exists 'V _ tugou '('Id' int (4) not null auto_increment,'Name' varchar (20) not null default '0 ','Mo' varchar (20) not null default '0 ','Times 'int (4) default null,'IP' varchar (20) not null default '0 ',Primary key ('id ')) Engine = myisam default charset = utf8 auto_increment = 2; ---- Export the table data 'hn _ tugou'-- Insert into '

Quantify data for 50 days in Hacker news quantifying Hacker News with

Quantifying Hacker NewsI thought it would be analyze the activity on one of my favorite sources of interesting links and information, Hack Er News. My source of data is a script I ' ve set up some time in August that downloads HN (the Front page and the New Stories page) Every minute. We'll be interested in visualizing the stories as they get upvoted during the day and figuring out which domains/users is Most of popular, what topics is most popular, a

Bzoj4152the Captain[dijkstra]

=='-') f=-1; ch=GetChar ();} while(ch>='0'ch'9') {x=x*Ten+ch-'0'; ch=GetChar ();} returnx*F;}intN;structdata{intX,y,id;} P[n];BOOLcmpx (data a,data b) {returna.xb.x;}BOOLcmpy (data a,data b) {returna.yb.y;}structedge{intV,w,ne;} E[n*4];intH[n],cnt=0;voidInsintUintVintW) {CNT++; E[CNT].V=v;e[cnt].w=w;e[cnt].ne=h[u];h[u]=CNT; CNT++; E[CNT].V=u;e[cnt].w=w;e[cnt].ne=h[v];h[v]=CNT;}voidBuildgraph () {sort (P+1, p+1+n,cmpx); for(intI=1; i1; i++) Ins (p[i].id,p[i+1].id,p[i+1].x-p[i].x); Sort (P+1, p+

Analyzing the differences between require and include from PHP core code _php Tutorial

. Start in Depth: cc@cc-laptop:/opt/workspace/php-src-5.3$ find. -type f-name "*.L"-exec grep-hn "require_once" {} \;./zend/zend_language_scanner.l:1093: "Require_once" {Look for the Lex code in the scanner file where the require_once appears, ZEND_LANGUAGE_SCANNER.L 1093 lines.1093 "Require_once" {1094 return t_require_once;1095} And then search the t_require_once, cc@cc-laptop:/opt/workspace/php-src-5.3$ find. -type f-name "*.y"-

[Uikit] uitableview.01

Uitableview.01: Section: Group Row: row number [1] drag a uitableview [2] connect the datasource of tableview to the Controller. [3] Follow the data source protocol of uitableview Code 1. Add the display data content -(Void) viewdidload {[Super viewdidload]; [email protected] [@ "Guangzhou", @ "Meizhou", @ "Shenzhen"]; [email protected] [@ "Changsha", @ "Yiyang"];} 2. Set the total number of groups (for example, two groups in total) # Pragma mark-data source method uitableviewdatasource #

Autorun and digital signature (1)

. For devices that support mobile storage (such as USB flash drives, SD cards, and CF cards), I think Autorun technology is a very powerful method. Then, it runs. It is very simple but practical, similar to the CD/DVD Autorun technology. Windows Mobile directly supports Autorun. In fact, it is easy to implement on Windows CE: runtime runs. To implement this function, you must first create a message queue during initialization to wait for the system device plugging time notification:Code Code hi

Mining of massive datasets-finding similar items

function for a random permutation of rows produces the same value for two sets equals the jaccard similarity of those sets. For a random row arrangement (permutation), the probability of the same value obtained by the minhash of the Two sets is their jaccard similarity. For example, in S1 and S4, The minhash value is a, that is, the two sets contain a, and the probability should be the same as that of jaccard similarity.This ensures the correctness of using minhashing. jaccard similarity serve

Linux handle restrictions

Linux handle restrictionsLinux handle restrictions Linux handles can be divided into 1 system level limit and 2 user level limit: /Proc/sys/fs/nr_open>/proc/sys/fs/file-max> = ulimit-Hn> = ulimit-Sn1 system-level limit: 1.1/proc/sys/fs/nr_open The maximum number of file handles supported by the System File System. The default value is 1048576 (1 M). The maximum value is limited by the system memory. This is the maximum value for all restrictions.1.2/

Analyze the difference between require and include from the php core code

. Start in-depth: Cc @ cc-laptop:/opt/workspace/php-src-5.3 $ find.-type f-name "*. l"-exec grep-Hn "require_once "{}\;./Zend/zend_language_scanner.l: 1093: "require_once "{Find the location where require_once appears in the lex code scanner file, line 1093 of zend_language_scanner.l.1093 "require_once "{1094 return T_REQUIRE_ONCE;1095} Search for T_REQUIRE_ONCE, Cc @ cc-laptop:/opt/workspace/php-src-5.3 $ find.-type f-name "*. y"-exec grep-

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