update readme #5

	name: Update README on Push or Pull Request

	on:
	push:
	branches:
	- master

	jobs:
	update-readme:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.12'

	- name: Check if files match naming pattern
	id: check-files
	run: \|
	if git diff --name-only HEAD~1 HEAD -- ./ \| grep -E '^\d+[A-Z]\.(cpp\|py)$' \| grep -v '^\.github/'; then
	echo "::set-output name=changed::true"
	echo "::set-output name=updated_files::$(git diff --name-only ${{ github.event.before }} ${{ github.sha }} \| grep -E '^\d+[A-Z]\.(cpp\|py)$')"
	else
	echo "::set-output name=changed::false"
	fi

	- name: Run Python script to update README
	if: steps.check-files.outputs.changed == 'true'
	run: python update_readme.py ${{ steps.check-files.outputs.updated_files }}

	- name: Commit changes
	if: steps.check-files.outputs.changed == 'true'
	run: \|
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Actions"
	git add README.md
	git commit -m "Update README"

	- name: Push changes
	if: steps.check-files.outputs.changed == 'true'
	uses: ad-m/github-push-action@master
	with:
	github_token: ${{ secrets.CODEFORCES_GITHUB_TOKEN }}

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