Scratchers Atcoder Chrome extension icon

Scratchers Atcoder

👥 2K+ users
📦 v1.5.0
💾 1.45MiB
📅 2025-11-19
View on Chrome Web Store

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Overview

(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

Tags

Lifestyle/fun developer lifestyle/fun

Privacy Practices

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

🔐 Security Analysis

This extension hasn't been security-scanned yet.

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