use JS for AtCoder
npm i
pip3 install --user online-judge-tools oj login https://beta.atcoder.jp/ npm install -g atcoder-cli acc login acc session
rewrite config.js
npm run build
npm run test
oj s https://atcoder.jp/contests/abc149/tasks/abc149_a src/abc149_a/compile.js
実装途中 npm run submit
https://online-judge-tools.readthedocs.io/en/master/introduction.ja.html