oj | PowerOJ is a online judge for ACM/ICPC or OI | Learning library

by power721 Java Version: Current License: No License

X-Ray Key Features Code Snippets Community Discussions(10)Vulnerabilities Install Support

kandi X-RAY | oj Summary

oj is a Java library typically used in Tutorial, Learning applications. oj has no bugs, it has no vulnerabilities, it has build file available and it has low support. You can download it from GitHub.

#oj PowerOJ is a online judge for ACM/ICPC or OI. Online Judge is a web service which can compile user's source code and run in limition. Judge use predefined data files as stdin and get user's stdout as files, compare with the standard output data to judge the user's solution.

Support

Quality

Security

License

Reuse

Support

oj has a low active ecosystem.

It has 15 star(s) with 6 fork(s). There are 5 watchers for this library.

It had no major release in the last 6 months.

There are 1 open issues and 1 have been closed. On average issues are closed in 4 days. There are 2 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of oj is current.

Quality

oj has 0 bugs and 0 code smells.

Security

oj has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

oj code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

oj does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

oj releases are not available. You will need to build from source code and install.

Build file is available. You can build the component from source.

oj saves you 146475 person hours of effort in developing the same functionality from scratch.

It has 151833 lines of code, 2011 functions and 1452 files.

It has high code complexity. Code complexity directly impacts maintainability of the code.

Top functions reviewed by kandi - BETA

kandi has reviewed oj and discovered the below as its top functions. This is intended to give you an instant insight into oj implemented functionality, and help decide if they suit your requirements.

Run the process
Run the test process
Builds the command string
Check the result
Get xls
Generate all scores for a problem
This method returns all workests that have been entered
Display code
Returns the match solution with the given ID
Run process
Search for questions
The main method
Perform a crawl
Index page
Compare the current user
Borrow an object from the pool
Upload file
Receives a challenge
Show a problem
Upload image to local file
Login
Configure plugins
Compile the given solution
Check status
Show solution
Bind user

Get all kandi verified functions for this library.

oj Key Features

No Key Features are available at this moment for oj.

oj Examples and Code Snippets

No Code Snippets are available at this moment for oj.

Community Discussions

Trending Discussions on oj

What does back to back table references mean in SQL from clause

Why custom comparator for set in c++ requires extra 'const' keyword

Is this Union Find really O(n) as they claim?

How to use scale_fill_manual to manually define bar plot colors

Flutter Web release mode cannot show data from Algolia

What is wrong with my Filter and Map function as its not filtering the correct item inside my React Component?

how to write XPath of a nested element

LibreOffice HSQLDB WHERE clause with LEFT JOIN and MAX?

react native redux: how do I update a specific value in a slice

ggplot2 Missing y-axis labels

QUESTION

What does back to back table references mean in SQL from clause

Asked 2022-Apr-01 at 19:24

I am looking at a query from crystal reports and it shows a table name immediately followed by a table name. see below if that didn't make sense but I am trying to understand what this syntax is/does? thank you in advance for any insight

...

ANSWER

Answered 2022-Apr-01 at 19:24

The 2nd name is the alias. It allows you to refer to the table using a different name. For example, you may want to shorten the references to that table throughout the rest of the statement in order to make things more readable. Or, more importantly, you may want to use the same table twice in the same statement (in which case an alias is required).

Source https://stackoverflow.com/questions/71711810

QUESTION

Why custom comparator for set in c++ requires extra 'const' keyword

Asked 2022-Mar-19 at 07:32

I am solving a problem on leetcode OJ where i had to use a custom comparator for set in C++.

...

ANSWER

Answered 2022-Mar-19 at 07:18

By adding that const to the end of that member function you're making it a const member function, meaning that it cannot possibly modify any of your member variables. Because calling a non-const member function could modify the object, you can't call it if the object is const.

std::set's erase member function requires that operator() be const to stop it from modifying the object's in their set without you realizing.

If any member function can be const then it should be const, just like any variables you declare or take in as arguments.

Source https://stackoverflow.com/questions/71535955

QUESTION

Is this Union Find really O(n) as they claim?

Asked 2022-Mar-14 at 07:33

I am solving a problem on LeetCode:

Given an unsorted array of integers nums, return the length of the longest consecutive elements sequence. You must write an algorithm that runs in O(n) time. So for nums = [100,4,200,1,3,2], the output is 4.

The Union Find solution to solve this is as below:

...

ANSWER

Answered 2022-Mar-14 at 07:33

They are right. A properly implemented Union Find with path compression and union by rank has linear run time complexity as a whole, while any individual operation has an amortized constant run time complexity. The exact complexity of m operations of any type is O(m * alpha(n)) where alpha is the inverse Ackerman function. For any possible n in the physical world, the inverse Ackerman function doesn't exceed 4. Thus, we can state that individual operations are constant and algorithm as a whole linear.

The key part for path compression in your code is here:

Source https://stackoverflow.com/questions/71453109

QUESTION

How to use scale_fill_manual to manually define bar plot colors

Asked 2022-Mar-12 at 13:06

I am finalizing the representation of my dataset using ggplot2 and for the sake of clarity I would need a coloring scheme that defies standard ggplot2 "logic". Below is a fake dataset to show you my needs in essence:

...

ANSWER

Answered 2022-Mar-12 at 13:01

I would create a dummy variable in your input df2 for the ggplot fill aesthetic. Here, "-999" refers to "OJ" and will be coloured in black.

I've also updated your myPalette to include black in it, and also setNames to it so that only "-999" will have a corresponding "black" value.

Source https://stackoverflow.com/questions/71449469

QUESTION

Flutter Web release mode cannot show data from Algolia

Asked 2022-Feb-28 at 23:15

I cannot show a list retrieved by Algolia when I am using --release mode in Flutter. It's very interesting that it works just fine when running the app in Flutter Web Debug. Can anyone help me out with this issue?

Works with:

[✓] Flutter Web Debug

[✓] Postman

Error I got in Web Console:

...

ANSWER

Answered 2022-Feb-22 at 05:46

I had the same issue.

In case anyone is looking for an immediate fix, what worked for me was to force the use of 1.0.2 dependency instead of 1.0.4:

Source https://stackoverflow.com/questions/71077177

QUESTION

What is wrong with my Filter and Map function as its not filtering the correct item inside my React Component?

Asked 2022-Jan-24 at 00:01

Here is are my menu items, and I want to filter only the Drinks in a drink Component, I am displaying both the 'Drinks' and 'Eat' under categories. And my goal is to only filter and extract the 'Drinks' as I am displaying the drinks on its own component.

Here is my data:

...

ANSWER

Answered 2022-Jan-24 at 00:01

MenuItems.filter((item) => "Drinks") return always true

What you should be doing is comparing the category to drinks.

MenuItems.filter((item) => item.category === "Drinks")

Source https://stackoverflow.com/questions/70826930

QUESTION

how to write XPath of a nested element

Asked 2022-Jan-19 at 20:14

HTML structure is as shown below,

...

ANSWER

Answered 2022-Jan-19 at 19:59

Use Chrome DevTools -> Inspect -> Copy -> Copy XPath This will give you an example of how to build the XPath. i.e. The XPath of your question's code: //*[@id="question"]/div/div[2]/div[1]/pre[1]/code

Source https://stackoverflow.com/questions/70776928

QUESTION

LibreOffice HSQLDB WHERE clause with LEFT JOIN and MAX?

Asked 2021-Dec-30 at 10:11

I'm running macOS 11.6,LibreOffice 7.2.2.2,HSQLDB (my understanding is this is v.1.8, but don't know how to verify)

I'm a newbie to SQL, and I'm trying to write a DB to maintain a club membership roster. I'm trying to find everyone in the DB to whom renewal letters should be sent. The quirk is, if a person has never paid in the past, they should be sent a renewal letter. Old members who haven't renewed recently don't get a renewal, and obviously, each individual should only get one letter. I've created a toy example to display the problem I'm having...

...

ANSWER

Answered 2021-Dec-30 at 10:11

This worked for me.

Source https://stackoverflow.com/questions/70526240

QUESTION

react native redux: how do I update a specific value in a slice

Asked 2021-Dec-24 at 00:45

Here's my redux configuration:

userSlice.js

...

ANSWER

Answered 2021-Dec-24 at 00:45

You can use the spread operator to merge the existing state with your new payload.

Currently, you overwrite the name, email, avatar, and id properties:

Source https://stackoverflow.com/questions/70468618

QUESTION

ggplot2 Missing y-axis labels

Asked 2021-Dec-15 at 15:17

Morning, I have a little problem with my ggplot graph.

For some reason, I can't see right now, the y axis ticks and numbers are missing. Maybe, I'm missing something really obvious here or it's something in my settings. The toothgrowth dataset does not really fit the graph, but you can still see the problem (normally facet_wrap is included, but it does not work with this dataset).

...

ANSWER

Answered 2021-Dec-15 at 08:43

Shouldn't your y axis be continuous?

Source https://stackoverflow.com/questions/70360581

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install oj

You can download it from GitHub.
You can use oj like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the oj component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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