python fence

. Length ns = self. Row-space Preve = 0 for I in range (self. ROW): if self. Mask! = none:s = Preve O = 0 for x, y in enumerate (self. Order): if i = = Y:o = x break if O Actual executionTest code such as the following. With 4 lines of encryption, the key is BCAF: RF = Railfence (4, ' BCAF ') e = Rf.encrypt (' The anwser is wctf{c01umnar},if u are a big new,u can help us think more ques Tion,tks. ') Print "Encrypt:", e print "Decrypt:", Rf.decrypt (E)The results are for example:Descr

Today, we meet a fence code to crack, first introduce the generic script. Method one (Generic script): #!/usr/bin/env python #-*-CODING:GBK-*-#-*-coding:utf_-*-e = raw_input (' Please enter the string to decrypt \ n ') Elen = Len (e) field=[] fo R I in range (, Elen): if (elen%i==): field.append (i) to f in field: B = elen/f result = {x: "for x in RA Nge (b)} for I in range (Elen):

Fence Plus decryption is a short string of processing, given the number of rows row, based on the length of the string to calculate the column, a square.The process of encryption is to arrange the clear text from top to bottom in columns, then scramble the rows according to the key, and finally merge from left to right in line order to form the ciphertext.Decryption process: The above process is reversed, each line according to the order of the key to

Today I met a fence code to crack and wrote a generic script.1 #!/usr/bin/env python2 #-*-CODING:GBK-*-3 #-*-coding:utf_8-*-4 #Author: Blue Line5 #Http://www.cnblogs.com/duanv6E = Raw_input ('Please enter the string to decrypt \ n')7Elen =Len (e)8Field=[]9 forIinchRange (2, Elen):Ten if(elen%i==0): One field.append (i) A - forFinchfield: -b = Elen/F theresult = {x:"' forXinchrange (b)} - forIinchRange (Elen): -A = i%b; -Result.upd

2039 horse riding fence, 2039 horse riding fenceDescriptionDescription Farmer John has a lot of fences to repair each year. He always rode his horse across every fence and repaired its broken location. John is just as lazy as other farmers. He hates horse riding, so he never goes through a fence twice. You must compile a program, read the description of the

Fence Repair (Fence Repair) code (C)This address: Http://blog.csdn.net/caroline_wendyTitle: Cut a piece of wood into n blocks, cut two pieces at a time, the cost of the split is the length of the board, the minimum cost of dividing the board.The Huffman Code (Huffman).greedy algorithm , similar to two-fork tree structure, the shortest plate and the second short plate is the brothers node , select two minimu

The odd solution to the intersection of two polygon in the GPS fence and the odd solution to the gps fencePreface The area of the origin area measured by the GPS measuring instrument is then submitted to the system. The system needs to check whether the origin area overlaps with other regions. If the overlap exceeds 10%, it is necessary to warn that the origin area has been registered by XXX. The data measured by GPS is consecutive coordinate data of

Android4.4 fence Mechanism AnalysisAndroid4.4 fence Mechanism Analysis In any system, it is inevitable to deal with various buffers. The most classic mode is the consumption-producer mode, an independent buffer exchange between them requires a mechanism to control the "lifecycle" of each buffer, that is, ALLOCATION and RELEASE. In addition, synchronization must be considered, when can read buffer and write

involve the C + + memory model (memory models) of the topic, this matter is really not easy to say, recommend a more simple and easy to understand the article A ramble on c++11 multithreaded memory model memory Fence/barrier In the last section, we know that the double check locking mode is risky, so there is no way to improve it.The approach is to have, this is the Memory barrier technology (memory fence)

Fence is a synchronization mechanism that is used primarily in Android for Graphicbuffer synchronization in a graphics system. What does it have to do with the existing synchronization mechanism? It is primarily used to handle cross-hardware situations, especially synchronization between Cpu,gpu and HWC, and it can also be used for synchronization between multiple points in time. A big difference between GPU programming and pure CPU programming is tha

GraphicBuffer synchronization mechanism in Android-Fence and androidfence Fence is a synchronization mechanism. It is mainly used for GraphicBuffer synchronization in the graphics system in Android. What are the characteristics of the synchronization mechanism? It is mainly used to process cross-hardware scenarios, especially the synchronization between CPU, GPU, and HWC. It can also be used for synchroniza

Codeforces 234 F. Fence DP Dp [I] [j] [k] In Front Of I railing, j are painted as red, and the current railing color is 0 red 1 green F. Fencetime limit per test2 secondsmemory limit per test256 megabytesinputinput.txtoutputoutput.txt Vasya shoshould paint a fence in front of his own cottage. The fence is a sequenceNWooden boards arranged in a single row. Each b

Cyclicbarrier, the name is a circular fence, the fence is obvious is to stop a bunch of "things", where "things" is a thread, when the number of threads specified by the fence is not reached, all the threads wait, to reach the specified number, together to perform the following tasks. API documentation explains:A synchronization aid that allows a sets of threads

This talk cyclicbarrier fence, as can be seen from its name, it is reusable.It functions like a countdownlatch category, and also lets a group of threads wait and start running down. But there are some differences between the two1. Different objects and so on. The Countdownlatch group thread waits for an event. Or the event that a counter belongs to 0. And cyclicbarrier waiting for the thread, only the threads are all up to run down2. Using different

This is about the cyclicbarrier fence, which can be seen from its name, which is recyclable. It functions like Countdownlatch, and also lets a group of threads wait, and then begin to execute down together. But there are still a few differences between the two.1. The waiting object is different. A group of Countdownlatch threads waits for an event, or a counter that is 0. The cyclicbarrier waits for the thread, and only the thread is there to go down.

the role of fence fence mainly in the framework of the role to prevent two of servers at the same time to write data to resources, destroying the security and consistency of resources to lead to the occurrence of brain crack. Fence Classification: Hardware fence: By turning off the power to kick off the bad server by

Fences are similar to latching, but they are different.Latching is used to wait for an event, while a fence is used to wait for other threads. What does that mean? The event that the latch is used to wait is the countdown event, and only the thread that is waiting before the countdown event executes can continue; While the fence does not resemble the Countdown event control thread execution, only the thread

POJ1037: A decorative fence (DP) DescriptionRichard just finished building his new house. now the only thing the house misses is a cute little wooden fence. he had no idea how to make a wooden fence, so he decided to order one. somehow he got his hands on the ACME Fence catalogger 2002, the ultimate resource on cute li

A decorative fence Time limit:1000 ms Memory limit:10000 K Total submissions:6489 Accepted:2363 DescriptionRichard just finished building his new house. now the only thing the house misses is a cute little wooden fence. he had no idea how to make a wooden fence, so he decided to order one. somehow he got his hands on the Acm

secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputBiz On the Champion have recently finished painting his wood fence. The fence consists of a sequence Of n panels of i -th panel ' s height is h i meters. The adjacent planks follow without a gap between them. Aft Er Bizon painted the fence he decided to put a ' for sale