3592 tape

A map with a number indicates that there are digits and minerals on it. * indicates that this point can be transferred to another point. # indicates that it cannot be taken. Only the lower and right sides of a vertex can be reached. Now, starting from (0, 0), ask how many minerals can be collected at most. Train of Thought: This question must be illustrated, and then the longest path, the key is that with the transfer, it is possible to form a right ring, and then it will die in the spfa proces

Back up all data on the local disk to tapeBy default, you do not need to specify the file system device number. The value is "/dev/RMT/0 m ". However, if this device does not contain tape media or you need to apply other devices, you must add the parameter "-d" and specify the device number. # Make_tape_recovery-AVOutput result:* Creating local directories for configuration files and archive. ======= 11/28/06 14:40:15 eat started make_tape_recovery. (

+memset (Dist,0x3f,sizeof(Dist));//Distance Adequeint> Que (1, ST); theinq[st]=1; +dist[st]=0; - while(!que.empty ()) $ { $ intt=Que.front (); Que.pop_front (); -inq[t]=0; node E; - for(intI=HEAD[T]; i!=-1; I=e.next) the { -E=Edge[i];Wuyi if(dist[e.to]>dist[t]+E.dis) the { -dist[e.to]=dist[t]+E.dis; Wu if(!inq[e.to])//not in the queue - { About if(++cnt[e.to]>n)//too many times in the q

Click to open linkTest instructions: There are n individuals, and then x relationship and y relationship, the x relationship represents that the distance of these two people can not exceed c,y represents the distance of these two people is greater than or equal to C, if not meet all the output-1, if the position of 1 and n can be infinitely large output-2, otherwise the maximum distance to output two peopleIdea: is to check the model of the constraint, x relationship according to the location of

],num[n];intDis[n];structedge{intTo,next,val;} edge[4*N];voidAdd_edge (intSintEintval) {edge[cnt].to=e; Edge[cnt].next=Head[s]; Edge[cnt].val=Val; Head[s]=cnt++;} Queueint>Qu;voidSPFA () { while(!qu.empty ()) Qu.pop (); MST (Vis,0); MST (Dis,inf); MST (NUM,0); Qu.push (1); dis[1]=0; vis[1]=1; while(!Qu.empty ()) { intFr=Qu.front (); Qu.pop (); NUM[FR]++; if(num[fr]>N) {printf ("-1\n"); return ; } for(inti=head[fr];i!=-1; i=Edge[i].next) { intx=edge[i].to; if(

, output-1. If Person 1 and N can is arbitrarily far apart, output-2. Otherwise output The greatest possible distance between person 1 and N.Sample Input14 2 11 3 82 4 152 3 4Sample Output19Authoralpc20Source2010 acm-icpc multi-university Training Contest (--host by Nudt)/* ***********************************************author:ckbosscreated time:2015 July 30 Thursday 08:16 29 seconds file Name : hdoj3592.cpp************************************************ * * #include Copyright NOTICE: This art

coordinates of the arrival of the minerals owned by the edge of the weight value. The question then becomes: the longest path the minecart can reach from node 0. But in addition to the right and down the edge, considering the transmission point and the target coordinates are composed of edges, the original image will be much more back to the edge, forming a lot of the forward ring. The emergence of a forward ring, so that the mine can be picked up a part of the mineral, as long as it can go int

HDOJ 3592 World Exhibition difference constraint, hdoj3592 World Exhibition Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission (s): 1373 Accepted Submission (s): 673 Problem DescriptionNowadays, please people want to go to Shanghai to visit the World Exhibition. so there are always a lot of people who are standing along a straight line waiting for entering. assume that there are N (2 There is something

15 practical Linux/Unix tape management commands for the system administrator Tape equipment should only be used for regular file archiving or data is transferred from one server to another. Generally, tape devices are connected to Unix machines and controlled by mt or MTCs. We strongly recommend that you back up all data to disks (maybe in the cloud) and

According to the different loading mode, generally divided into manual tape drive and automatic tape drive, that is, automatically load the tape drive. At present, many manufacturers of tape drive, it manufacturers hp (HP), IBM, Exabyte (exabytes) and so on have tape drive p

Guide Tape devices should be used only for periodic file archives or to transfer data from one server to another. Typically a tape device is connected to a Unix machine and controlled with MT or MTX. It is strongly recommended that you back up all your data to disk (perhaps in the cloud) and tape devices at the same time. In this tutorial you will

In this tutorial you will learn:· Tape Device Name· Basic commands for managing tape drives· Basic Backup and Restore commandsWhy backup?A backup plan is necessary for regular backup files, and if you prefer not to back up, the risk of losing important data increases significantly. With backup, you have the ability to recover from a disk failure. Backups can also help you protect against:· Accidental file d

Tape devices should be used only for timed file archives or for transferring data from one server to another. The general tape device is connected to a Unix machine and manipulated with Mt or MTX. It is strongly recommended that you back up all of your data to disk (perhaps in the cloud) and tape devices.In this tutorial you will learn:

Steps for adding a tape drive 1System power-off 2Check whether the SCSI address of the tape is set correctly. The default target ID of the tape drive is 4 (the SCSI optical drive is 6)If you have multiple tapes, set the second tape drive correctly so that its SCSI address does not conflict with the current addres

From the user's point of view, any unix device can be seen as a file. Therefore, you can "open" an appropriate tape drive file to write data to the file. Although it sounds too simple, this is the actual situation. The Unix system treats every device as a file and processes it like a common file, so that the operations on the file and the device are as unified as possible. From the user's point of view, the use of devices is the same as that of Genera

First, determine the data backup strategy You must first determine which files to manipulate during the backup process. In a business environment, this is a very difficult decision and can have a serious impact. If too much data is backed up, the cost of the backup system is too large to cut other expenses. If you do not back up enough data, the important data may be lost. Backing up the entire system is simple (make sure that you don't back up some of the NFS-mounted directories and special fil

Since the development of Linux, Linux has become more and more popular with the development of more than a decade. Many programmers are studying Linux. There are many Linux tape drives, mainly through software such as Amanda and Tar. The following describes the knowledge of Linux tape drives. Amanda provides the remote centralized backup function, which enables remote centralized storage and backup by setti

In Linux, there are multiple ways to use the tape drive. The tar command is the most frequently used method. tar is mainly used to directly write data to the tape drive in a single-host environment. The device name of the tape drive in Linux is/dev/stX. If it is the first tape drive, that is,/dev/st0, the basic operati

Tape Drive Operation Command: Tar command: Use the tar command to copy a file or directory tree to a single tape. Note: Special files such as empty directories or device files cannot be copied and cannot be used to create multiple tape volumes. 1. copy Files to tape (1) switch to a directory that contains files th