diff --git a/ANALE-1/EXO2/SUJET/dijkstra.h b/ANALE-1/EXO2/SUJET/dijkstra.h
index 25abaef..35f2f23 100644
--- a/ANALE-1/EXO2/SUJET/dijkstra.h
+++ b/ANALE-1/EXO2/SUJET/dijkstra.h
@@ -9,6 +9,8 @@
  */
 int sem_create(key_t cle, int initval);
 
+
+
 /**
  * take a token on the semaphore semid or wait if none available
  */
diff --git a/ANALE-1/EXO2/SUJET/p1.c b/ANALE-1/EXO2/SUJET/p1.c
index a9b8a1e..e300750 100644
--- a/ANALE-1/EXO2/SUJET/p1.c
+++ b/ANALE-1/EXO2/SUJET/p1.c
@@ -20,7 +20,12 @@ void t2()
 }
 
 int main () {
+    int semt1 = sem_create(CLE_SEM_T1,0);
+    int semt2 = sem_create(CLE_SEM_T2,0);
+
     t1();
+    V(semt1);
     t2();
+    V(semt2);
     return 0;
 }
diff --git a/ANALE-1/EXO5/launcher b/ANALE-1/EXO5/launcher
new file mode 100755
index 0000000..f2651a9
Binary files /dev/null and b/ANALE-1/EXO5/launcher differ
diff --git a/ANALE-1/EXO5/launcher.c b/ANALE-1/EXO5/launcher.c
new file mode 100644
index 0000000..0ffb379
--- /dev/null
+++ b/ANALE-1/EXO5/launcher.c
@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/wait.h>
+
+
+
+int main(void)
+{
+    int tube[2];
+    int tube2[2];
+    int res = pipe(tube);
+    if (res == -1) {
+        perror("Création Pipe"); exit(-1);
+    }
+    int res2 = pipe(tube2);
+    if (res2 == -1) {
+        perror("Création Pipe"); exit(-1);
+    }
+
+    pid_t pid_wc = fork();
+    if (pid_wc == 0) {
+        // lit depuis tube -> stdin
+        close(tube[1]);
+        dup2(tube[0], 0);
+        close(tube[0]);
+
+        // écrit vers tube2 -> stdout
+        close(tube2[0]);                 // on ne lit pas tube2 ici
+        dup2(tube2[1], 1);
+        close(tube2[1]);
+
+        execlp("cat", "cat",NULL);  // ou "wc", "-c", NULL pour compter octets, etc.
+        perror("cat wc");
+        _exit(1);
+    }
+    pid_t pid_data = fork();
+    if (pid_data == 0) {
+        close(tube[0]);
+        write(tube[1],"Bonjour tous le monde\nJe m'appelle Ronan\n",strlen("Bonjour tous le monde\nJe m'appelle Ronan\n"));
+        close(tube[1]);
+    }
+    pid_t pid_read = fork();
+    if (pid_read == 0) {
+        char temp[500];
+        close(tube2[1]);
+        read(tube2[0],&temp,sizeof(temp));
+        printf("%s",temp);
+        close(tube2[0]);
+    }
+
+    return 0;
+}
\ No newline at end of file