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contains, numbers:n-the number of hubs in the network (2 OutputOutput first the maximum length of a cable in your hub connection plan (the value of your should minimize). Then output your Plan:first output p-the number of cables used and then output P pairs of an integer numbers-numbers of hub s connected by the corresponding cable. Separate numbers by spaces and/or line breaks.Sample Input4 61 2 11 3 11 4 22 3 13 4 12 4 1Sample Output141 21 32) 33 4I'm not going to throw up the slot.。The examp

points, multiple sinks, and multiple common points.Only the source and sink points are marked with X/y, the normal point is not marked X/y, and all the edges given are X/Y. This is undoubtedly prompting us to make a variant of the diagram: suggest a super source S, a super sink T. Make s point to all source points and the capacity y of the source points as the capacity of those edges, so that all sinks point to T. And the capacity of the sink point y as the capacity of these edges, and then ori

At first thought, the total feeling is DP, but finally did not think of anything. And a violent hand.Then start writing the line segment tree and the result is timed out. Feel a problem with the way your line tree is written. I'll write it sometime. Let's put the tree-like array in the first place.~~~~~~~~~~~~~~~~~~~~~~~~The tree array does not understand to see Rujia's Great White Book, that picture is very clear.The main idea: the coordinates of the stars are given in the order of Y increments

Amp; lt; amp; gt; operatorinMySQL Opera Have you ever seen " According toMySQL documentation, NULL-Safe equal. This operator performs an equal ity comparison like=Operator, but returnsatherNULLIf both operands areNULL, AndratherNULLIf one operand isNULL. For example: mysql> SELECT 1 Next let's get to know more details about Similarity =Operator Like the regular=Operator, two values are compared and the r

Amp; lt; rhel6 + pptpd + freeradius + mysqlamp; amp; gt; RHELPPTP This document describes the experiment environment. all the experiment results are verified in the data center. all the results are correct. System environment: RHEL6 x86_64 selinux and iptables disabled Software Download: http: // poptop. sourceforge. net/yum/stable/rhel 6/Ftp://ftp.samba.org/pub/ppp Install and configure pptpd Echo 1>/pro

Game Development Design Mode-state mode amp; Finite State Machine amp; c # Delegate event (unity3d example implementation) Starting with the state mode, game developers must first think of the finite state machine FSMs of AI. The state mode is indeed a method to implement the finite state machine. Later I will talk about the advanced layered state machine (hierarchical state machine) of the state machine

Topic Link: PortalGame rules:No time can be divided into two piles x = A*b (a!=1b!=1) x is the number of the original heap, A, B is the number of the new heap.It is also possible to change the number of the original heap to the approximate y of the original heap. Y!=x. The person who made the last operation wins.Analysis:It's also a stone-going game, so we just need to make the whole SG value different or better.Let's consider a bunch of them first. Set the number of this heap is x;So the whole

-group example, p represents the number of combinations of 3 numbers that satisfy the requirement, and one row for each set of outputs.Because the results may be larger, the result is 100000007 modulo. Sample Input 261 3 2 6 5 453 5 2) 4 1 Sample Output Case #1:10Case #2:1 Author Eric @hrbustHidden Tree Array ~ ~ ~ did not see, in fact, the main is no idea, thinking out of the ability to use a tree-like array to s

defined is A = 1, B = 1, C = 64000, and S = 0 has no persistent bits, But it's also not random:it just counts from 0 to 63999 before repeating.) Note that a sequence does does need to return to the Seed:with a = 2, B = 0, C = +, and sInputThere is from one to sixteen datasets followed by a line containing only 0. Each dataset was a line containing decimal integer values for a, B, C, and S, separated by single blanks.OutputThere is one line of output for each data set, each containing characters

parallel and x-axis edges by height. Then insert into the segment tree in turn. The bottom of the rectangle is encountered and added to the line segment tree. When you encounter the top, remove the corresponding bottom from the segment tree. The text may not be very well understood. Look at the drawing and you'll know.See the code for details:#include len[rt]=0; else//not covered by the whole block but partially covered len[rt]=len[rtint mid= (L+R) >>1,ls=rt Copyright notice: This article blog

Test instructions1, a person from [the]->[n,n]->[1,1]2, only can take the shortest3, walk the point can not go againAsk Max and.For each point, the current limit of 1 can be 3.Charge flow rate of 2 to meet 1Maximum cost flow, the first to take negative, the result is negative, to meet 2#include HDU 3376 amp;amp; 2686 check maximum and cost flow bare topic

MongoDB database maintenance operations: Connection amp; User Management amp; backup, mongodb DatabaseStart/Close the mongodb ServiceStart the serviceThe mongodb service can be started directly by specifying the startup parameter or by using the configuration file ;? # Specify the startup parameter to start mongodb $ mongod --dbpath=/usr/bin/mongodb-3.6.2/data --logpath=/usr/bin/mongodb-3.6.2/logs/mongo.l

Jquery amp; js $ (this) amp; thisPreface: when using jquery to operate JavaScript, I often don't understand this and $ (this ). Take the time to test it carefully and record it for reference when you forget it! $ (This) What is generated $ () What is generated? In fact, $ () = jquery (), that is, a jquery object is returned. Question: we usually use $ () directly for convenience. In fact, this function om

When using CSS or jquery to select elements. Very often we need to make a or | | Operation.jquery or CSS | | Operations are often used. Also very easy, is separated by commas.Selector1,selector2,selectornFor example, if we want to select a div or span, we can select the element that satisfies the condition by $ ("Div,span"). in CSS or jquery. Most of what I've seen is done in class, and I don't know if it's just that way.. ClassName1.className2.classNameNFor example, if we want to select a div

Determine the position of the matchTime limit:2000/1000 MS (java/others) Memory limit:65536/32768 K (java/others)Total submission (s): 17134 Accepted Submission (s): 6789Problem description has N race teams (1。 n Play the game. At the end of the game, the Referee Committee will rank all the participating teams from the point of travel, but now the referee Committee cannot get the results of each team directly. Just know the results of each game, that is P1 win P2, with P1,p2 said, ranked P1 be

detail.PHP's mail function, send mail. The university course has been established. But only the SMTP protocol was sent by mail. The use of Phpmailer. But did not give POP3 to receive mail. This part will be realized today. Add a little bit more PHP mail to send to receive. Fully understand the use of SMTP and POP3 protocols in practice.A little day, live broadcast. Rookie of the Road of growth!。。 Three months to witness how the rookie become a great God.2014/09/25 0:33 BeijingThree months-see t

$ (). How to use attr ()$ (). THML () differs from $ (). Text ( )Http://blog.sina.com.cn/s/blog_561be372010008ev.html??$ (). How to use the attr () amp;amp; $ (). The difference between HTML () and $ (). Text ()

); Redis provides master-slave replication.The memcache cluster configurationis very easy and does not require server side configuration. Just need to initialize a serverlist on the client. Redis needs to be configured on the server side.Memcache can only be cached and not persisted . Redis is a NoSQL memory database that provides two persistence mechanisms.Redis provides five types of value, very rich (string/list/hash/set/zset), and memcache data types are relatively single .Vi. SummaryBecause

databases:# Mysqlcheck-A-o-r-pEnter password:Guestbook. simpgb_avatars OKGuestbook. simpgb_bad_words OKGuestbook. simpgb_banlist OKGuestbook. simpgb_data OK..................Mysqlcheck syntax/html/Program/Mssql/200711/130 .htmlFix a specified database# Mysqlcheck-A-o-r Database_NAME-pIXDBA. NET Community ForumIn addition, you can use myisamchk or isamchk to fix a table.Here, myisamchk applies to MYISAM data tables, while isamchk applies to ISAM data tables. The main parameters of these two comm

The job of a computer is to perform a series of operations. The C language provides different operators for different operations! 1. Operators . Basic Operators Arithmetic Operator: +-*/% + + -- Value assignment operator: = Comma OPERATOR :, Relational operators: Logical OPERATOR: |! Conditional OPERATOR :? : . Bit Operator Bit logical operators :~ | ^ (Exclusive or) Offset OPERATOR: >> 2. Operation priority When multiple operations are used together, we need to know the sequence of operation