Hi. The submit button is disabled because you are not logged in. There're should be a hint. I believe every developer has a GitHub account, that's why I've chos

Hi. The submit button is disabled because you are not logged in. There're should be a hint. I believe every developer has a GitHub account, that's why I've chosen it as the OAuth provider. Your private repos will stay private, the site receives only your public information available for everyone in the Internet. Great advice about <bits/c++.h>, thanks.