diff --git a/Cours/M313_2020_2021_CM4.pdf b/Cours/M313_2020_2021_CM4.pdf
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diff --git a/Cours/M313_CM5.pdf b/Cours/M313_CM5.pdf
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diff --git a/Enoncés/TP/AlgoPartieC.txt b/Enoncés/TP/AlgoPartieC.txt
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+++ b/Enoncés/TP/AlgoPartieC.txt
@@ -0,0 +1,14 @@
+Begin
+if isEmpty(msg)                    					 //  Si msg"-.."
+then return getUserObject(morse)  					 //
+else if charAt(msg,O)=='-' then   					 //   "-"
+return decodeletterInmorse(leftChild(morse),substring(msg,1))		// ".."
+else if charAt(msg,0)=='.' then
+return decodeletterInMorse(rightChild(morse),substring(msg,1))
+else return decodeLetterInMorse(morse,substring(msg,1))                 // 
+
+
+Function decodeInmorse(ABin morse,ABin morseInUse,String msg); String 
+In: alphabet morse morse dans un arbre binaire et une copie morseInuse pour pouvoir "remonter à la racine"
+Do: renvoie le message en alphabet A-2
+Begin
\ No newline at end of file
diff --git a/Enoncés/TP/AlgoPartieD.txt b/Enoncés/TP/AlgoPartieD.txt
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+++ b/Enoncés/TP/AlgoPartieD.txt
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+Function decodeInmorse(ABin morse,ABin morseInUse,String msg); String 
+In: alphabet morse morse dans un arbre binaire et une copie morseInuse pour pouvoir "remonter à la racine"
+Do: renvoie le message en alphabet A-2
+Begin 
+
+if isEmpty(msg)
+   then return getUserObject(morseInUse)
+else if charAt(msg,0)=='-' then
+return decodeInMorse(morse,leftchild(morseinuse),substring(msg,1))
+else if charAt(msg,0)=='.' then
+return decodeletterInMorse(rightChild(morse),substring(msg,1))
+else return decodeLetterInMorse(morse,substring(msg,1))                 
+else if charAt(msg,0)=='/' then
+return getUserObject(morseInUse)+decodeInmorse(morse,morse,SubString(msg,1))
+else if charAt(msg,0)==' ' then 
+return getUserObject(morseInUse)+' '+ decodeInmorse(morse,morse,SubString(msg,1))
+else //optionel/
+return getUserObject(morse,morseInUse,substring(msg,1))
diff --git a/Enoncés/TP/TP5_Arbre_Seance2.pdf b/Enoncés/TP/TP5_Arbre_Seance2.pdf
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