diff --git a/DEV1.1/TP13/conversion2 b/DEV1.1/TP13/conversion2
index 57c2553..f203896 100755
Binary files a/DEV1.1/TP13/conversion2 and b/DEV1.1/TP13/conversion2 differ
diff --git a/DEV1.1/TP13/conversion2.c b/DEV1.1/TP13/conversion2.c
index c422114..a0829ff 100644
--- a/DEV1.1/TP13/conversion2.c
+++ b/DEV1.1/TP13/conversion2.c
@@ -2,8 +2,9 @@
 #include <stdio.h>
  
 int main(void) {
-  long long int x = 4614256656552045848LL,n=x/2;
-  double* p = (double*) &n;
-  printf("π = %f\n", *p);
-  return EXIT_SUCCESS;
+	long long int n = (4614256656552045848LL);
+	double* p = (double*) &n;
+	*p = *p*2;
+	printf("π = %f\n", *p);
+	return EXIT_SUCCESS;
 }
\ No newline at end of file
diff --git a/DEV1.1/TP14/initiale b/DEV1.1/TP14/initiale
new file mode 100755
index 0000000..87c487d
Binary files /dev/null and b/DEV1.1/TP14/initiale differ
diff --git a/DEV1.1/TP14/initiale.c b/DEV1.1/TP14/initiale.c
new file mode 100644
index 0000000..5d23ea9
--- /dev/null
+++ b/DEV1.1/TP14/initiale.c
@@ -0,0 +1,17 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+ 
+int main(int argc,char** argv) {
+	char mot[20];
+	if (argc > 1){
+		mot[20]=*argv[1];
+		mot[20]='\0';
+    	printf("%c\n",(mot[1]));
+	}
+  	else 
+   	 	puts("aucun argument !");
+ 	
+	return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP14/lecture b/DEV1.1/TP14/lecture
new file mode 100755
index 0000000..86f886b
Binary files /dev/null and b/DEV1.1/TP14/lecture differ
diff --git a/DEV1.1/TP14/lecture.c b/DEV1.1/TP14/lecture.c
new file mode 100644
index 0000000..c36c4fd
--- /dev/null
+++ b/DEV1.1/TP14/lecture.c
@@ -0,0 +1,19 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+ 
+int main(void) {
+	int nbr_char;
+	char mdp[26];
+	printf("Mot de passe : ");
+	mdp[0]=getchar();
+	for(nbr_char=1;mdp[nbr_char-1]!='\n';nbr_char++)
+		mdp[nbr_char]=getchar();
+	mdp[nbr_char-1]='\0';
+	if (strlen(mdp)<=27)
+		printf("Mot de passe validé\n");
+	else
+		printf("Mot de passe non validé\n");
+	return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP14/statistique b/DEV1.1/TP14/statistique
new file mode 100755
index 0000000..c6d3a2c
Binary files /dev/null and b/DEV1.1/TP14/statistique differ
diff --git a/DEV1.1/TP14/statistique.c b/DEV1.1/TP14/statistique.c
new file mode 100644
index 0000000..d07c155
--- /dev/null
+++ b/DEV1.1/TP14/statistique.c
@@ -0,0 +1,21 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+ 
+int main(void) {
+	int nbr_char_e=0;
+	unsigned int nbr_char;
+	char texte[201];
+	printf("Texte : ");
+	fgets(texte,200,stdin);
+	for(nbr_char=0;texte[nbr_char]!='\n';nbr_char++){
+		if (texte[nbr_char]=='e')
+			nbr_char_e++;
+	}
+	texte[201]='\0';
+	nbr_char=strlen(texte);
+	printf("nombre de e = %d\n",nbr_char_e);
+	printf("nombre de lettre = %d\n",nbr_char);
+	return EXIT_SUCCESS;
+}
\ No newline at end of file