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diff --git a/2nd/02_Information_chiffree_1/all_exercises.tex b/2nd/02_Information_chiffree_1/all_exercises.tex
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+\documentclass[a4paper,10pt]{article}
+\usepackage{myXsim}
+
+\author{Benjamin Bertrand}
+\title{Information chiffrée 1 - Exercices}
+\date{Septembre 2021}
+
+\DeclareExerciseCollection{banque}
+\xsimsetup{}
+
+\begin{document}
+
+\maketitle
+
+\input{exercises.tex}
+
+\printcollection{banque}
+
+\end{document}