4u rackmount

Xenia and Bit OperationsTime limit:2000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u SubmitStatusPracticecodeforces 339DDescriptionXenia The beginner programmer has a sequence a, consisting of 2n non-negative integers: a 1, a2, ..., a2n. Xenia is currently studying bit operations. To better understand how they work, Xenia decided to calculate some value v for a. Namely, it takes several iterations to calculate valuev. At the first itera

Z-bus RoutesTime limit:1000MS Memory Limit:65536KB 64bit IO Format:%i64d %i6 4u Submit Status Practice URAL 1137DescriptionSeveral bus routes were in the city of Fishburg. None of the routes shared the same section of road, though common stops and intersections were possible. Fishburg Old residents stated that it is possible to move from any stop to any other stop (probably making several transf ERS). The new mayor of the city decided to reform, th

(); while(_ --) {ll n, m, x, y; scanf ("%i64d%i64d%i64d%i64d", n, m, x, y); ll Res1=Get(n + M-2, M-1); ll Res2=Get(x + y-2, Y-1); ll Res3=Get(n + m-x-y, M-y); printf ("%i64d\n", (res1 + mod-res2 * res3% MOD)%MOD); } return 0;}View CodeCodeforces 559c-gerald and Giant ChessTime limit:2000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u SubmitStatusPracticecodeforces 559CDescription Giant chess is quite common in geraldion. We won't delve i

f-city GameTime limit:1000MS Memory Limit:32768KB 64bit IO Format:%i64d %i6 4u Submit Status Practice HDU 1505Appoint Description:DescriptionBob is a strategy game programming specialist. In He new city building game the gaming environment was as Follows:a City was built up by areas, in which there was street S, trees,factories and buildings. There is still some space in the area it is unoccupied. The strategic task of his game was to win as much r

Ucos the technology used in task scheduling is a task-ready table, the example used in the previous article is less than 64 priority task-ready table lookup method, now ucos to expand the task to 256 priority, the task-ready table of the lookup also made some changes, today speakingFirst we look at the setup of the task-ready table, when the task is created, we need to set a task-ready table, so we first look at Oscreatetask, in the inside find this codeErr = Os_tcbinit (Prio, PSP, (OS_STK *) 0,

Time limit:1000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u SubmitStatusPracticecodeforces 455ADescriptionAlex doesn ' t like boredom. That's why whenever he gets bored, the he comes up and games. One long winter evening he came up with a game and decided to play it.Given a sequence a consisting of n integers. The player can make several steps. In a single step he can choose an element of the sequence (let's denote it ak) and delete it,

A-vasya and Socks Time limit:1000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u Submit Status Practice codeforces 460A Description Vasya has n pairs of socks. In the morning of all day Vasya have to put on a pair of socks before he goes to school. When he comes home in the evening, Vasya takes off the used socks and throws them away. Every m-th day with numbers m, 2m, 3m, ...) mom buys a pair of socks To Vasya. She does it

, occupy more space, also inconvenient management, it seems very unsuitable.Rack-Mount ServersThe rack server is actually a product under industrial standardization, its appearance is designed according to the unified standard, with the uniform use of the cabinet, to meet the enterprise server-intensive deployment needs.The main role of the rack server is to save space, because it can be installed on a cabinet, not only to occupy a smaller space, but also facilitate unified management. The rack

C-color the ballTime limit:1000MS Memory Limit:32768KB 64bit IO Format:%i64d %i6 4u Submit StatusDescriptionThere is infinite balls in a line (numbered 1 2 3 ...), and initially all of them is paint black. Now Jim use a brush paint the balls, every time give the integers a B and follow by a char ' w ' or ' B ', ' W ' denotes the Bal L from A to B is painted white, ' B ' denotes is painted black. You were ask to find the longest white ball sequence.

Codeforces 546C Soldier and CardsTime limit:2000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u DescriptionThe bored soldiers is playing card war. Their card deck consists of exactly n cards, numbered from 1 to n, all values is Different. They divide cards between them in some manner, it's possible that they has different number of cards. Then they play a "war"-like card game. The rules are following. On each turn a fight happens. Each of

H-hTime limit:1000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u SubmitStatusDescriptionValery is a PE teacher at a school in Berland. Soon The students is going to take a test in long jumps, and Valery have lost his favorite ruler!However, there is no reason for disappointment, as Valery have found another ruler, its length isLcentimeters. The ruler already hasNMarks, with which he can make measurements. We assume that the marks is numbered

B-is It A Tree?Time limit:1000MS Memory Limit:10000KB 64bit IO Format:%i64d %i6 4u SubmitStatusDescriptionA tree is a well-known data structure this is either empty (null, void, nothing) or was a set of one or more nodes Connecte d by directed edges between nodes satisfying the following properties.There is exactly one node, called the root, to which No. directed edges point.Every node except the root have exactly one edge pointing to it.There is a

The size of the file hard disk deleted in linux remains unchanged. recently, the game server's hard disk is full. What's strange is that du/opt/is only 25 GB, but df is? N case study? Capacity in use available %? Mongod? /Dev/sda5195g23g1631613... Info nbsp; | linux delete File hard disk size not changed solved recently game server hard disk full. What's strange is that du/opt/is only 25 GB, but df is? N case study? Capacity in use available %? Mongod? /Dev/sda5 195G 23G 163G 13% // dev/sda2 68

/usr/share/fonts/chinese/msyh. ttf Firefox 2064 jian mem REG 16791251 1701681/usr/share/fonts/wenquanyi/wqy-zenhei.ttc Firefox 2064 jian mem REG 67108904 10203/dev/shm/pulse-shm-3021850167 ... When you want to kill all files and devices opened by a user, you can: Kill-9 'lsof-t-u lakshmana' Here-t is used to separately list the process id column. For four methods to kill a process, see: Http://www.thegeekstuff.com/2009/12/4-ways-to-kill-a-process-kill-killall-pkill-xkill/ 2.4 Monitoring Networ

grep--color= Auto sleeproot@nb1963:~/dongzerun#root@nb1963:~/dongzerun# lsof-p 4531COMMAND PID USER FD TYPE DEVICE Size/off NODE namewait 4531 Root 0w CHR 1,3 0t0 1029/dev/nullwait 4531 root 1w REG 8 , 1 94371 4991345/root/dongzerun/nohup.outwait 4531 root 2w REG 8,1 94371 4991345/root/dongzer Un/nohup.outwait 4531 Root 3u IPv6 2005568215 0t0 TCP *:6060 (LISTEN) wait 4531 root 4u 0000 0,10 0 90 anon_inodewait 4531 root 5r FIFO 0,9 0t0 200547

Article Title: How to know what listener is running on a port. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. When we use netstat-an, we sometimes see similar output: Udp 0 0 0.0.0.0: 32768 0.0.0.0 :* However, what should I do if I find that/etc/services does not have this port? Is this a hacker program? Is there a way to check which program listens on th

EscapeTime limit:2000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u SubmitStatusPracticecodeforces 148BDescriptionThe princess is going to escape the Dragon's Cave, and she needs to plan it carefully. The princess runs At v p miles per Hour, and the dragon flies At v D miles Per hour. The dragon would discover the escape After t hours and would chase the Princess Im mediately. Looks like there's no chance to success, but the Prin

Little Elephant and ChessTime limit:2000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u SubmitStatusPracticecodeforces 259ADescriptionThe Little Elephant loves chess very much. One day the Little Elephant and he friend decided to play chess. They ' ve got the chess pieces but the board is a problem. They ' ve got An8x8checkered board, each square was painted either black or white. The Little Elephant and his friend know that Aproper chessboar

Anya and GhostsTime limit:2000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u SubmitStatusPracticecodeforces 508CDescription Anya loves to watch horror movies. In the best traditions of horror, she'll be visited By m ghosts tonight. Anya have lots of candles prepared for the visits, each candle can produce light for Exactly t seconds. It takes the girl one second to light one candle. More formally, Anya can spend one second to

Color StripeTime limit:2000MS Memory Limit:262144KB 64bit IO Format:%i64d %i6 4u SubmitStatusPracticecodeforces 219CDescriptionA colored stripe is represented by a horizontal row of n square cells, each cell is pained one of k colors. Your task is to repaint the minimum number of cells so, no, and neighbouring cells is of the same color. You can use any color from 1 to K to repaint the cells. InputThe first input line contains the integer