diff --git a/Algo/tp/Cpp/3_tp/obj/passager.o b/Algo/tp/Cpp/3_tp/obj/passager.o
new file mode 100644
index 0000000..9e8ada8
Binary files /dev/null and b/Algo/tp/Cpp/3_tp/obj/passager.o differ
diff --git a/Algo/tp/Cpp/3_tp/obj/test.o b/Algo/tp/Cpp/3_tp/obj/test.o
new file mode 100644
index 0000000..e43c411
Binary files /dev/null and b/Algo/tp/Cpp/3_tp/obj/test.o differ
diff --git a/Algo/tp/Cpp/3_tp/obj/train.o b/Algo/tp/Cpp/3_tp/obj/train.o
new file mode 100644
index 0000000..0a7e044
Binary files /dev/null and b/Algo/tp/Cpp/3_tp/obj/train.o differ
diff --git a/Algo/tp/Cpp/3_tp/src/passager.cpp b/Algo/tp/Cpp/3_tp/src/passager.cpp
index c4582f0..54d9298 100644
--- a/Algo/tp/Cpp/3_tp/src/passager.cpp
+++ b/Algo/tp/Cpp/3_tp/src/passager.cpp
@@ -1,4 +1,5 @@
 #include "passager.hpp"
+#include "wagon.hpp"
 #include <iostream>
 #include <string>
 
@@ -12,5 +13,8 @@ Wagon Passager::getWagonActuel() const {
     return *wagonActuel;
 }
 
-
+ostream &operator<<(ostream &s, const Passager &p) {
+    s << "Passager : " << p.nom << p.prenom << endl; 
+    return s;
+}
 
diff --git a/Algo/tp/Cpp/3_tp/src/passager.hpp b/Algo/tp/Cpp/3_tp/src/passager.hpp
index 1df41e5..1293cce 100644
--- a/Algo/tp/Cpp/3_tp/src/passager.hpp
+++ b/Algo/tp/Cpp/3_tp/src/passager.hpp
@@ -2,7 +2,8 @@
 #define PASSAGER_HPP
 
 #include <string>
-#include "wagon.hpp"
+
+class Wagon;
 
 class Passager {
 private :
@@ -20,6 +21,7 @@ public :
 
     friend std::ostream &operator<<(std::ostream &s, const Passager &p);
     
+    
     ~Passager();
 };
 
diff --git a/Algo/tp/Cpp/3_tp/src/test.cpp b/Algo/tp/Cpp/3_tp/src/test.cpp
index 541572e..1c3ce73 100644
--- a/Algo/tp/Cpp/3_tp/src/test.cpp
+++ b/Algo/tp/Cpp/3_tp/src/test.cpp
@@ -8,19 +8,19 @@
 using namespace std;
 
 void testPassager(void) {
-    Passager lePassager("Passager 1", "Prenom 1");
-    cout << lePassager.getNom() << endl;
+    Passager lePassager("Nom", "Prenom");
+    cout << lePassager << endl;
 }
 
 void testWagon(void) {
-    Wagon leWagon("Wagon 1");
-    cout << leWagon.getNom() << endl;
+    Wagon leWagon(1);
+    cout << leWagon << endl;
 }
 
-void testTrain(void) {
-    Train leTrain("Train 1");
-    cout << leTrain.getNom() << endl;
-}
+// void testTrain(void) {
+//     Train leTrain("Train 1");
+//     cout << leTrain.getNom() << endl;
+// }
 
 int main() {
     testPassager();
diff --git a/Algo/tp/Cpp/3_tp/src/wagon.cpp b/Algo/tp/Cpp/3_tp/src/wagon.cpp
index a6c853b..84defeb 100644
--- a/Algo/tp/Cpp/3_tp/src/wagon.cpp
+++ b/Algo/tp/Cpp/3_tp/src/wagon.cpp
@@ -1,29 +1,33 @@
 #include "wagon.hpp"
+#include "passager.hpp"
 #include <iostream>
 #include <string>
 
+using namespace std;
+
 Wagon::Wagon(int numero)
     :numero{numero}
 {}
 
-int Wagon::ajouter(Passager lePassager) {
-    if(lesPassagers->size() == capacite) {
+int Wagon::ajouter(Passager& lePassager) {
+    if(lesPassagers.size() == capacite) {
         return -1;
     }
-    lesPassagers->push_back(lePassager);
+    lesPassagers.push_back(&lePassager);
     return 0;
 }
 
-int Wagon::enlever(Passager lePassager) {
-    if(lesPassagers->size() == 0) {
-        return -1;
-    }
-    lesPassagers->remove(lePassager);
-    return 0;
+int Wagon::enlever(Passager& lePassager) {
+    list<Passager*>::iterator it = find(lesPassagers.begin(), lesPassagers.end(), &lePassager);
+    if(it == lesPassagers.end()) return 0;
+
+    lesPassagers.erase(it);
+    return 1;
 }
 
-ostream &operator<<(ostream &s, const Passager &p) {
-    s << "Wagon n° " << w.numero << " : " << w.nbPassagers->size() << " passager(s)." << endl;
-    s << "Reste " << w.capacite - w.nbPassagers->size() << " places(s)." << endl;
-    s << "Liste des passagers :\n" << w.
+ostream &operator<<(ostream &s, const Wagon &w) {
+    s << "Wagon n° " << w.numero << " : " << w.lesPassagers->size() << " passager(s)." << endl;
+    s << "Reste " << w.capacite - w.lesPassagers->size() << " places(s)." << endl;
+    s << "Liste des passagers :\n" << w.lesPassagers << endl;
+    return s;
 }
\ No newline at end of file
diff --git a/Algo/tp/Cpp/3_tp/src/wagon.hpp b/Algo/tp/Cpp/3_tp/src/wagon.hpp
index e95b9b4..364612d 100644
--- a/Algo/tp/Cpp/3_tp/src/wagon.hpp
+++ b/Algo/tp/Cpp/3_tp/src/wagon.hpp
@@ -3,7 +3,8 @@
 
 #include <string>
 #include <list>
-#include "passager.hpp"
+
+class Passager;
 
 class Wagon {
 
@@ -11,7 +12,7 @@ private :
     
     int numero;
 
-    std::list<Passager> *lesPassagers;
+    std::list<Passager*> lesPassagers;
 
 public :
 
@@ -19,10 +20,10 @@ public :
 
     Wagon(int numero);
     
-    int ajouter(Passager lePassager);
-    int enlever(Passager lePassager);
+    int ajouter(Passager& lePassager);
+    int enlever(Passager& lePassager);
 
-    friend std::ostream &operator<<(std::ostream &s, const Passager &w);
+    friend std::ostream &operator<<(std::ostream &s, const Wagon &w);
 
     ~Wagon() = default; //~Wagon(){};
 };