* Update a Brasilian competitive programming website.
* Apply suggestions from code review to the file, after the domain was checked.
Co-authored-by: David Ordás <3125580+davorpa@users.noreply.github.com>
Co-authored-by: Fernando Pimenta <fernandopimenta@tecnosys.com.br>
Co-authored-by: David Ordás <3125580+davorpa@users.noreply.github.com>
* Added codechef's problem set
A vast range of unique problems, some of which are also part of Indian ICPC Preliminary Rounds and Regionals Rounds.
* Added codedrills' comeptitive problem set
Codedrills is the platform responsible for Indian ICPC contests currently (from 2020-present). It has many original & pure algorithmic problems.
* Add GNU Emacs refcard to more/free-programming-cheatsheets.md file under ide/editors category
* Add alphabetical order and PDF indication for the adding emacs refcard
* Added PDF indication
* Add HackThisSite in CTF and corrected address spelling
* Removed slash from the end of the URL
