FC2020-Java https://www.codingame.com/ide/puzzle/fall-challenge-2020 Some ressources: https://www.codingame.com/forum/t/merging-multiple-files-to-one-for-cg-chelper-plugin-for-intellij-java/1852 https://stackoverflow.com/questions/38492050/using-chelper-plugin-in-intellij-for-a-coding-contest/38634234#38634234 https://programmation-orientee-objet.pages.ensimag.fr/poo/resources/fiches/#table-des-matieres https://www.jmdoudoux.fr/accueil_java.htm#dejv https://devm.io/java/java-performance-tutorial-how-fast-are-the-java-8-streams-118830