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BZOJ2502: Cleaning the Snow trails

=0; the dinic ();94 returnans-Maxflow; the } the intMain () the {98Freopen ("Input.txt","R", stdin); AboutFreopen ("output.txt","W", stdout); -n=read ();101 For1 (i,n)102 {103 intx=read ();104For1 (j,x) Insert (I,read (),1, INF); the }106s=0; t=n+1; ss=t+1; tt=t+2;107For1 (i,n) Insert (S,i,0, INF), insert (I,t,0, INF);108 build ();109Insert (T,s,0, INF); theprintf"%d\n", Minflow ()); 111 return 0; the}View Code 2502: Clean up the snow lane time limit:10 Sec Me

Manual cleaning of notebook win7 system computer dust Some considerations

The user manually to clear the ash to the convenient and efficient and save money, but because not professionals, may be part of the cleaning of the matter, you do not understand, the following is a small series for everyone to tidy up some of the points of attention: 1, the quality of the screwdriver Many Win7 users in the process of cleaning up the selection of the screwdriver is not very good quality,

Win7 cleaning files is a slow solution

Often the Windows system to clean up the garbage files, not only can save the computer hard disk space, but also can improve the speed of the system, usually system garbage cleanup is very fast, but some users in the Win7 system to clean up the file speed is very slow, and some even need to wait for a long time, How should these users improve the speed of file cleanup? Today, small series for everyone to bring the solution, can speed up the speed of file cle

What do you need to pay attention to when cleaning your laptop?

Win7 System Laptop Cleaning Dust What should be noted? 1, choose a better quality screwdriver Screwdriver quality is very important, because the user in the process of cleaning up dust, if the quality is not good, may be part of the notebook hardware impact, such as scratches, so small series in this recommendation users choose a better quality of the screwdriver. 2, the power off and the battery remov

ETL Design in BI project of data extraction, cleaning and transformation

ETL is the process that the data of the business system is loaded into the data warehouse after being extracted and cleaned, the aim is to integrate the scattered, messy and standard data in the enterprise to provide the analysis basis for the decision of the enterprise. ETL is the most important aspect of BI project, usually the ETL will spend 1/3 of the whole project time, ETL design directly connected to the success or failure of the BI project. ETL is also a long-term process, only the cons

CSS Floating cleaning method and its principle summary

In the recent practice of doing imitation station to see each site using floating cleaning methods are different, and even the same Web page has been used to clean up the method, it is time to do a summary of this.Floating cleanup occurs because the floating element is detached from the normal stream, causing the parent container to not contain floating elements.We want to be like this:The result is this:Looking at the online method, there are two pri

A section of code for address cleaning

The function is to not standardize the address, for example: Beijing Haidian District West two flag xx hospital xx number; Shijiazhuang Qiaoxi District xx road xx; cleaning is the structured address data for the canonical provinces, cities, and counties + Street floor gate formats.First on the code: using (var context = new entities ()) {//Use the first 2 characters to match the provincial Division var Provs = Context.region.

Poj3171--cleaning Shifts

Cleaning Shifts Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 2813 Accepted: 976 DescriptionFarmer John ' s cows, pampered since birth, has reached new heights of fastidiousness. They now require their barn to be immaculate. Farmer John, the most obliging of farmers, have no choice but hire some of the cows to clean the barn.Farmer John had n (1 Each cow have submitted a job

How to use air conditioning reasonable power-saving _ Wuhan Air-conditioning Cleaning

in the switch to lose a lot of power at a moment.In the use of air conditioning, remember to pull down the curtains, to avoid the sun's exposure to the effect of air conditioning cooling.Air conditioning in peacetime when not used, be sure to unplug the plug, air conditioning in the off-standby state will also damage the power consumption, and plug has been plugged in for electrical products is not a good thing.Air conditioning should not be excessive use, long time to stay in the air-condition

Symbian OS Getting Started Guide-error handling and cleaning

Abstract: Error Handling and cleanup are particularly important for the development in the Symbian OS environment. In fact, error handle is used to compile more reliable programs, and cleanup framework is the basis of Symbian OS programming, make sure that error handling and cleaning are efficient and easy to implement. OOM (out-of-memory) errors have to be discussed in the Symbian OS environment. The current desktop memory capacity is getting bigger

Manual cleaning of Oracle audit records

Manual cleaning of Oracle audit records Oracle Database Audit is very powerful, usually including standard audit (including user-level audit and system-level audit) and fine-grained audit. Even so, it is easy to cause performance problems if you are not careful. The system tablespace is also exposed. The following describes how to strip the audit from the system tablespace and clear the Oracle audit records for your reference. I. Audit Configuration--

System cleaning tool a1click ultra PC cleaner v1.01.46 Chinese Version Download

Applicable platform Win9x/ME/NT/2000/XPSorting Date:File Size: 954.2kb A1cleaner is a sister product of registry vacuum (regvac. is a powerful system cleaning tool. it can scan more than 70 junk files in the system and comes with seven additional cleaner tools. at the same time, it also has a powerful recovery function. Before each cleaning, it will package the files to be deleted into a compressed package

iOS starts cleaning up the App Store: is your app updated?

Chengdu billion Science and Technology small series from the Beijing business newspaper learned that for the development of app applications to note, iOS to start the App Store cleaning: Your app updated?Recently, developers at the Apple App Store sent e-mails saying they would implement an ongoing assessment app action to remove apps that no longer work as expected, are not compliant with current audit guidelines, or are obsolete.It is understood tha

How to use the system cleaning function of Baidu Guardian

Baidu Guardian of the system to clean up the function of "one key clean-up", "Garbage clean-up" and "Trace clean" three types of models, fast, safe, comprehensive cleaning computer garbage, traces. Among them, one-click cleaning can quickly clean up computer garbage and traces. The garbage cleanup and trace cleanup features meet your personalized need to clean up your computer's garbage and traces. In add

How to clean up the computer garbage? Computer Garbage Cleaning method

1. Here we give the computer to install a "360 security guard" no Baidu search download. 2. Then open the "360 Security Guardian" interface we can directly experience it, you can click on the top of the garbage button is the same. 3. After scanning out the rubbish, we can selectively clean up the rubbish file. 4. After cleaning up the garbage will appear, you click on the need to clean up the garbage, cle

Win8 Cleaning System Garbage method

I believe that we have been using Win8 for some time, I do not know if you have Win8 garbage clean-up!? Presumably a lot of friends answer are: No. This is often done in XP as well as Win7, and the Win8 is getting less. Although Win8 gives people the first feeling is to start very fast, but with a long time, the system will still produce garbage files. So, how do we go to the WIN8 system garbage clean-up it!?   Use the Rubik's Cube cleanup master to clean up Talking about the system tools on t

Win8 Cleaning System Garbage Method Win8 system garbage Cleanup tool recommended

I believe that we have been using Win8 for some time, I do not know if you have Win8 garbage clean-up!? Presumably a lot of friends answer are: No. This is often done in XP as well as Win7, and the Win8 is getting less. Although Win8 gives people the first feeling is to start very fast, but with a long time, the system will still produce garbage files. So, how do we go to the WIN8 system garbage clean-up it!? Use the Rubik's Cube cleanup master to clean up Talking about the system tools on the

The method of periodic automatic cleaning in PHP _php tips

The following is to introduce you to the PHP set session of the regular automatic cleaning example, because the session default is 15 minutes automatically to clear the variable to the memory, but some time does not take effect, the following we will take a look. After the configuration completes PHP, the default PHP will generate session into/TMP directory, resulting in a lot of/tmp directory files, so the session needs to be regularly cleaned up.

SPARK App--cleaning check-related shells (1)

Pre-stress testing requires cleaning up large data environments, logs, and storage databases, checking the environment for availability, and saving the state of the environment before testing. During the stress testing process, regular checking of parquet file generation, report generation, hbase data generation, spark APP FAILED, and error logging are required. After stress testing, you need to check Parquet file generation, report generation, hbase

Hadoop Combat Learning (2)-Log cleaning

reprinted from: Hadoop Log Cleaning 1.1 Data Situation review There are two parts to the forum data: (1) Historical data of about 56GB, statistics to 2012-05-29. This also shows that before 2012-05-29, the log files were in a file, using the Append write method. (2) Since 2013-05-30, a daily data file is generated, about 150MB. This also indicates that, from 2013-05-30, the log file is no longer in a file. Figure 1 shows the recording format of the

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