Gord is preparing for a marathon. There is a park behind his home. There are many paths in the park that connect water spots (n
Question: Calculate the path between any two points, calculate the surprising vertex, and find the least weighted matching of these odd vertices (it seems that the optimal weighted matching in a general graph is not good, it is wrong to Split points and then use km ). An algorithm called Edmonds-Johnson can solve Chinese Postman
HDU 5444 Elven Postman (2015 ACM/ICPC Asia Regional Changchun Online), hdu5444
[Question link]: click here ~~
[General idea ]:
HDU 5444
N numbers are constantly inserted into the originally empty binary tree. For each number, start from the root node. If the current node is empty, the current node is inserted. If the current node is not empty, it is smaller than the value of the current node, and the right subtree is inserted, otherwise, insert th
1, Form-data:is the multipart/form-datain the HTTP request, which will process the form into a single message, labeled as a unit, separated by a delimiter. You can upload a key-value pair or upload a file. When the uploaded field is a file, there will be content-type to describe the file type; content-disposition, which is used to describe some information about the field;Because there is boundary isolation, so multipart/form-data can upload files, you can also upload key value pairs, it takes t
When setting up environment variables using tests, in this case, in the UserID field in the returned Responsebody, the field returns a numeric type, and after the JSON conversion, it is found that the saved value is inconsistent with the value returned by the interface, such as:The value returned by the interface: "UserId": 337292419039105024Actual saved value: "UserId": 337292419039105000After troubleshooting, it is possible that when the JSON conversion, the field value exceeds the upper limit
1, Form-data:is the multipart/form-datain the HTTP request, which will process the form into a single message, labeled as a unit, separated by a delimiter. You can upload a key-value pair or upload a file. When the uploaded field is a file, there will be content-type to the table name file type; content-disposition, which is used to describe some information about the field;Because there is boundary isolation, so multipart/form-data can upload files, you can also upload key value pairs, it takes
1, Form-data:Is the multipart/form-data in the HTTP request, which will process the form into a single message, labeled as a unit, separated by a delimiter. You can upload a key-value pair or upload a file. When the uploaded field is a file, there will be content-type to the table name file type; content-disposition, which is used to describe some information about the field;Because there is boundary isolation, so multipart/form-data can upload files, you can also upload key value pairs, it take
Interface 3: Adding student informationBrief description: Add student information, enter parameter is JSON typeRequest Url:http://api.nnzhp.cn/api/user/add_stuRequest mode: Post, parameter is JSON type
Name of parameter
Must-Choose
Type
Description
Name
Y
String
Student Name
Grade
Y
String
Class
Phone
Y
Int
Phone
Sex
N
String
Sex, do not pass the
Hdu 5444 Elven Postman (Changchun cyber competition-balanced binary tree traversal)Elven PostmanTime Limit: 1500/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission (s): 1206 Accepted Submission (s): 681Problem DescriptionElves are very peculiar creatures. as we all know, they can live for a very long time and their magical prowess are not something to be taken lightly. also, they live on trees. however, there is somethi
Elven PostmanTime limit:1500/1000 MS (java/others) Memory limit:131072/131072 K (java/others)Total submission (s): 591 Accepted Submission (s): 329Problem descriptionelves is very peculiar creatures. As we all know, they can live for a very long time and their magical prowess is not something to be taken lightly. Also, they live on trees. However, there is something on them you are not know. Although delivering stuffs through magical teleportation is extremely convenient (much like emails). They
Elven PostmanTime limit:1500/1000 MS (java/others) Memory limit:131072/131072 K (java/others)Total submission (s): 0 Accepted Submission (s): 0Problem descriptionelves is very peculiar creatures. As we all know, they can live for a very long time and their magical prowess is not something to be taken lightly. Also, they live on trees. However, there is something on them you are not know. Although delivering stuffs through magical teleportation is extremely convenient (much like emails). They sti
The transmission of the postman and the Post Office (network protocol overview) signals must always comply with certain protocols ). For example, the Great Wall is filled with Wolf smoke because the physical signal of the wolf smoke has been preset to represent the abstract signal of "enemy intrusion. Such a "Wolf smoke = enemy intrusion" is a simple protocol. The protocol can be more complex. For example, the Morse Code uses a combination of short si
Postman do various types of HTTP interface testsFirst, there must be a clear interface document (e.g. http://test.nnzhp.cn/wiki/index.php?doc-view-59) before doing the interface test, assuming that the postman has been installed on the PC.1. Common get requests with Key-valuee.g. getting user informationGet requests, write URLs to spell parameters, send requests, view results.2. Post requests with JSON stri
Before writing the background interface, the test data are used postman, quite convenient, has been using the Get method, write node. JS has no problem, but because to write a registration/login function, so send the post data, the logic of the background has been written to complete, But when using the post to the data req.body is empty, look at the project code for half a day, also did not find where I write wrong.Finally determine if the
the frame formats of the two networks at the same time. A router is a translation generated for this purpose ". A vro has multiple NICs (NIC, network interface controller). Each Nic can connect to multiple networks and understand the corresponding connection layer protocol. When a frame passes through a route to another network, the route reads the frame information and changes it to another network. So the router has branches in both communities.Post Office. The postmaster of one community del
Recently in the study Postman Official document, the homeopathic translation comes out, for the study!The postman assertion is written in the JavaScript language and is written in the Postman client-specified area.The assertion runs after the request is returned, and is reflected in the final test results based on the pass\fail of the assertion.1. Setting environ
In this article, the main postman is the JSON structure of the operation instructions this article takes order shipment as an example, according to the interface document to design the user under the Single interface field there are two ways to pass the field JSON data: The interface field rules:
The interface is the POST request mode, the input JSON data structure is entered directly in the body of the post
PHPStorm editor debugging (including using postman and soapUI) and phpstormsoapui
Many people need breakpoint debugging during development, but many people have configured a lot and still cannot debug it. In fact, it does not need to be so troublesome.
Note: you do not need to perform any configuration for the debug configuration of the PHPStorm editor. The default configuration is good.
In essence, when debugging a breakpoint, you only need to input
Springboot When you access the Oracle database through spring JPA boot, when the Org.springframework.dao.DataIntegrityViolationException "exception occurs, Note the parameters in postman are not set correctly.such as inserting a piece of data:The code is as follows: The parameter setting parameters of Postman are as follows: Using the Postman
1, Postman Interceptor Use method: http://www.cnplugins.com/devtool/postman-interceptor/detail.html
2, the csrf example of Springmvc-show-case, the
Used for including CSRF token in JSON requestsAlso the bottom of this file for the adding CSRF token to JQuery AJAX requests-->
3, open the Postman Interceptor switch, set the head of POST request: x-csrf-token:2e4d
Description
The Post office needs you to help them to design a postman to go through all the villages and trails in the faraway countryside at least once (the input data will guarantee that such a path must exist).However, there is a cost for each route. Villagers in various villages hope that the sooner the postman arrives in their village, the better. As a result, people in various villages have adopted
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