For Scratchers who want to compete in AtCoder

Latest Version

Version
1.4.0
Update
October 31, 2023
Size
2.2MiB
Developer
Category
Users
1,000+
Rating
4 ★
Manifest Version
2
Web Store Status
Languages Support
English
See more
Permissions
See more

Scratcher's AtCoder Extension

(The description in English is provided below Japanese.)


# はじめに

この拡張機能を使うと,Scratch 3.0 で AtCoder に参加できるようになります!


# 使い方

(1) AtCoder の解答フォームの横にある,オレンジ色の「Scratch 3.0 オンラインエディタ」ボタンをクリックして,オンラインエディタを開きます.

(2) Scratch オンラインエディタ上で,解答コードを作成します.完成したら,Scratch プロジェクトをローカルファイルにダウンロードします(画面左上のメニューから「ファイル」→「コンピューターに保存する」).

(3) AtCoder に戻り,オレンジ色の「Scratch 3.0 プロジェクトをロード」ボタンをクリックして,(2)でダウンロードしたプロジェクトファイルを選択します.

(4) Scratch プロジェクトが瞬時に C++ ソースに変換され,解答フォームに表示されます.

(5) そのまま解答を提出しましょう!(言語は \"C++14(GCC5.4.1)\"(またはそれより新しいバージョン)を選択してください)


# Scratch での解答例

https://scratch.mit.edu/studios/5346476/


# リンク

GitHub: https://github.com/yos1up/scratch2cpp/tree/master/web/crx

Twitter: @yos1up


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# Introduction

With this extension, you can compete in AtCoder with Scratch 3.0!


# Usage

(1) Go to a submission form of AtCoder, and click orange \"Scratch 3.0 online editor\" button to open the online editor.

(2) Create your solution in Scratch online editor. If your solution is ready, download your Scratch project to a local file. ([File] -> [Save to your computer])

(3) Return to AtCoder and click the orange \"Load Scratch project\" button. Then select your Scratch project file you downloaded in (2).

(4) Your Scratch project file will be instantly converted to C++ source, and displayed in the solution form.

(5) Submit it! (Make sure that \"C++14(GCC 5.4.1)\" (or newer) is selected as the language.)


# Examples of solutions

https://scratch.mit.edu/studios/5346476/


# Links

GitHub: https://github.com/yos1up/scratch2cpp/tree/master/web/crx

Twitter: @yos1up
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "name": "Scratcher's AtCoder", "short_name": "ScratchersAC", "description" : "for Scratchers who want to compete in AtCoder", "version": "1.4.0", "manifest_version": 2, "homepage_url": "https://github.com/yos1up/scratch2cpp/tree/master/web/crx", "icons": { "16": "icon16.png", "48": "icon48.png", "128": "icon128.png" }, "browser_action": { "default_popup": "popup.html", "default_icon": "icon.png" }, "content_scripts": [ { "matches": ["https://atcoder.jp/contests/*/submit*", "https://atcoder.jp/contests/*/tasks/*", "https://atcoder.jp/contests/*/custom_test*"], "js": ["lib/jquery-3.3.1.min.js", "lib/Stuk-jszip-9fb481a/dist/jszip.js", "lib/Stuk-jszip-9fb481a/dist/jszip.min.js", "sb2_to_cpp.js", "sb3_to_cpp.js", "main.js"] } ]}
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How to download and manually install Scratcher's AtCoder extension for Chrome

Looking for a way to install Scratcher's AtCoder extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install Scratcher's AtCoder extensions manually, this article outlines two simple methods to effortlessly install Scratcher's AtCoder extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download Scratcher's AtCoder extension and manually install through Drag &Drop

If you ever need to manually install a Scratcher's AtCoder extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the Scratcher's AtCoder Extension by clicking the "Download CRX" button on the website.

Look for the Scratcher's AtCoder extension you wish to install. Go to the website and download the Scratcher's AtCoder extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for Scratcher's AtCoder extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the Scratcher's AtCoder extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download Scratcher's AtCoder extension for Chrome and install in Developer Mode

This is another method to install Scratcher's AtCoder extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the Scratcher's AtCoder extension file

Select and download the Scratcher's AtCoder extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the Scratcher's AtCoder extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your Scratcher's AtCoder extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the Scratcher's AtCoder extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install Scratcher's AtCoder extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Daisuke Kuramoto (qramo) (ID: 000000b32a96907f) Voted 4 ★ - Updated 01/21/2020 AtCoderを始めるハードルをとても下げてくれる。

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xip (ID: 00000031cf93fec3) Voted 1 ★ - Updated 04/12/2019 dos not work