added algo for checking the number is power of four or not #1474

	name: Continuous Integration

	on:
	push:
	branches:
	- master
	pull_request:

	jobs:
	build:
	name: Code style and tests
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- uses: actions/setup-node@v3
	with:
	node-version: 16
	cache: npm

	- name: 📦 Install dependencies
	run: npm ci

	- name: 🧪 Run all tests
	if: ${{ github.event_name == 'push' }}
	run: npm run test

	- name: 🧪 Run tests for changed files only
	if: ${{ github.event_name == 'pull_request' }}
	run: npm run test-changed

	- name: 💄 Code style
	run: npm run style

	codespell:
	name: Check for spelling errors
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: codespell-project/actions-codespell@master
	with:
	# file types to ignore
	skip: ".json,.yml,DIRECTORY.md"
	ignore_words_list: "ba,esy,yse,falsy"

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