leetcode problems list

download_leetcode_problem_list.rb

#!/usr/bin/ruby
require 'net/http'
require 'json'
require 'yaml'

url = URI('https://leetcode.com/api/problems/algorithms/')
res = Net::HTTP.get(url)
data = JSON.parse(res)

problems = data['stat_status_pairs'].map do |pair|
	p = pair['stat']
	unless p['question__hide']
		{
			'id' => p['question_id'],
			'title' => p['question__title'],
			'url' => "https://leetcode.com/problems/#{p['question__title_slug']}/",
			'slug' => p['question__title_slug'].gsub('-', '_')
		}
	end
end

problems.sort_by! { |p| p['id'] }

File.write('problems.yml', YAML.dump(problems))