diff --git a/DEV1.1/TP01/salut.c b/DEV1.1/TP01/salut.c
new file mode 100644
index 0000000..0d8c4f4
--- /dev/null
+++ b/DEV1.1/TP01/salut.c
@@ -0,0 +1,10 @@
+/* premier programme */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(void) {
+  printf("Hello World!\n");
+  return EXIT_SUCCESS;
+}
+
diff --git a/DEV1.1/TP02/arithmetique b/DEV1.1/TP02/arithmetique
new file mode 100755
index 0000000..9d7aa44
Binary files /dev/null and b/DEV1.1/TP02/arithmetique differ
diff --git a/DEV1.1/TP02/arithmetique.c b/DEV1.1/TP02/arithmetique.c
new file mode 100644
index 0000000..1f6700f
--- /dev/null
+++ b/DEV1.1/TP02/arithmetique.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <stdlib.h>
+ 
+int main(void) {
+  printf("%d\n", 100/6);
+  printf("%d\n", 100%6);
+  printf("%d\n", 0x1A*015);
+  printf("%d\n", -3/5);
+  printf("%d\n", -31/5);
+  printf("%d\n", -31%5);
+  printf("%d\n", 100*(3/5));
+  printf("%d\n", 100*3/5);
+  printf("%d\n", 2-3-5);
+  printf("%d\n", 2-(3-5));
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP02/bases b/DEV1.1/TP02/bases
new file mode 100755
index 0000000..47e3725
Binary files /dev/null and b/DEV1.1/TP02/bases differ
diff --git a/DEV1.1/TP02/bases.c b/DEV1.1/TP02/bases.c
new file mode 100644
index 0000000..7cebf77
--- /dev/null
+++ b/DEV1.1/TP02/bases.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include <stdlib.h>
+ 
+int main(void) {
+  printf("%d\n", 72);
+  printf("%d\n", 0110);
+  printf("%d\n", 0x48);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP02/bit b/DEV1.1/TP02/bit
new file mode 100755
index 0000000..892b21d
Binary files /dev/null and b/DEV1.1/TP02/bit differ
diff --git a/DEV1.1/TP02/bit.c b/DEV1.1/TP02/bit.c
new file mode 100644
index 0000000..ad9ef62
--- /dev/null
+++ b/DEV1.1/TP02/bit.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <stdlib.h>
+ 
+int main(void) {
+  long int n = 1431655765; /*ou 0x55555555*/
+	
+  printf("%d", (n>>31)&1);
+  printf("%d", (n>>30)&1);
+  printf("%d", (n>>29)&1);
+  printf("%d", (n>>28)&1);
+  printf("%d", (n>>27)&1);
+  printf("%d", (n>>26)&1);
+  printf("%d", (n>>25)&1);
+  printf("%d", (n>>24)&1);
+  printf("%d", (n>>23)&1);
+  printf("%d", (n>>22)&1);
+  printf("%d", (n>>21)&1);
+  printf("%d", (n>>20)&1);
+  printf("%d", (n>>19)&1);
+  printf("%d", (n>>18)&1);
+  printf("%d", (n>>17)&1);
+  printf("%d", (n>>16)&1);
+  printf("%d", (n>>15)&1);
+  printf("%d", (n>>14)&1);
+  printf("%d", (n>>13)&1);
+  printf("%d", (n>>12)&1);
+  printf("%d", (n>>11)&1);
+  printf("%d", (n>>10)&1);
+  printf("%d", (n>>9)&1);
+  printf("%d", (n>>8)&1);
+  printf("%d", (n>>7)&1);
+  printf("%d", (n>>6)&1);
+  printf("%d", (n>>5)&1);
+  printf("%d", (n>>4)&1);
+  printf("%d", (n>>3)&1);
+  printf("%d", (n>>2)&1);
+  printf("%d", (n>>1)&1);
+  printf("%d", n&1);
+  printf("\n");
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP02/limite b/DEV1.1/TP02/limite
new file mode 100755
index 0000000..86571a5
Binary files /dev/null and b/DEV1.1/TP02/limite differ
diff --git a/DEV1.1/TP02/limite.c b/DEV1.1/TP02/limite.c
new file mode 100644
index 0000000..0f853c5
--- /dev/null
+++ b/DEV1.1/TP02/limite.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include <stdlib.h>
+ 
+int main(void) {
+  printf("%d\n", 1000000);
+  printf("%o\n", 1000000);
+  printf("%x\n", 1000000);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP02/multiplication b/DEV1.1/TP02/multiplication
new file mode 100755
index 0000000..7732477
Binary files /dev/null and b/DEV1.1/TP02/multiplication differ
diff --git a/DEV1.1/TP02/multiplication.c b/DEV1.1/TP02/multiplication.c
new file mode 100644
index 0000000..5e7aede
--- /dev/null
+++ b/DEV1.1/TP02/multiplication.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+#include <stdlib.h>
+ 
+int main(void) {
+  printf("%d\n", 73 << 4);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP02/reponses.txt b/DEV1.1/TP02/reponses.txt
new file mode 100644
index 0000000..de2e3dc
--- /dev/null
+++ b/DEV1.1/TP02/reponses.txt
@@ -0,0 +1,10 @@
+16
+4
+338
+0
+-6
+-1
+0
+60
+-6
+4
\ No newline at end of file
diff --git a/DEV1.1/TP03/Salut b/DEV1.1/TP03/Salut
new file mode 100755
index 0000000..67b89c8
Binary files /dev/null and b/DEV1.1/TP03/Salut differ
diff --git a/DEV1.1/TP03/Salut.c b/DEV1.1/TP03/Salut.c
new file mode 100644
index 0000000..0dac0b1
--- /dev/null
+++ b/DEV1.1/TP03/Salut.c
@@ -0,0 +1,22 @@
+/* premier programme */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(void) {
+  char l1,l2,l3,l4,l5,l6,l7,l8,l9,l10,excla;
+  l1='H';
+  l2='e';
+  l3='l';
+  l4='l';
+  l5='o';
+  l6='W';
+  l7='o';
+  l8='r';
+  l9='l';
+  l10='d';
+  excla='!';
+  printf("%c%c%c%c%c %c%c%c%c%c %C\n",l1,l2,l3,l4,l5,l6,l7,l8,l9,l10,excla);
+  return EXIT_SUCCESS;
+}
+
diff --git a/DEV1.1/TP03/chiffre b/DEV1.1/TP03/chiffre
new file mode 100755
index 0000000..cf8cf3f
Binary files /dev/null and b/DEV1.1/TP03/chiffre differ
diff --git a/DEV1.1/TP03/chiffre.c b/DEV1.1/TP03/chiffre.c
new file mode 100644
index 0000000..4c1e412
--- /dev/null
+++ b/DEV1.1/TP03/chiffre.c
@@ -0,0 +1,11 @@
+/* premier programme */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(void) {
+  char val='8';
+  val=val-1;
+  printf("%c\n",val);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP03/encodage1 b/DEV1.1/TP03/encodage1
new file mode 100755
index 0000000..8a8e251
Binary files /dev/null and b/DEV1.1/TP03/encodage1 differ
diff --git a/DEV1.1/TP03/encodage1.c b/DEV1.1/TP03/encodage1.c
new file mode 100644
index 0000000..8154b06
--- /dev/null
+++ b/DEV1.1/TP03/encodage1.c
@@ -0,0 +1,10 @@
+/* premier programme */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(void) {
+  printf("Unicode : %c%c\n", '\xC3', '\xAE');
+  printf("Latin 1 : %c\n", '\xEE');
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP03/encodage2 b/DEV1.1/TP03/encodage2
new file mode 100755
index 0000000..37ab7ec
Binary files /dev/null and b/DEV1.1/TP03/encodage2 differ
diff --git a/DEV1.1/TP03/encodage2.c b/DEV1.1/TP03/encodage2.c
new file mode 100644
index 0000000..e71e335
--- /dev/null
+++ b/DEV1.1/TP03/encodage2.c
@@ -0,0 +1,9 @@
+/* premier programme */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(void) {
+  printf("%c\n", 'î');
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP03/extraction b/DEV1.1/TP03/extraction
new file mode 100755
index 0000000..a32d738
Binary files /dev/null and b/DEV1.1/TP03/extraction differ
diff --git a/DEV1.1/TP03/extraction.c b/DEV1.1/TP03/extraction.c
new file mode 100644
index 0000000..f5e2b10
--- /dev/null
+++ b/DEV1.1/TP03/extraction.c
@@ -0,0 +1,18 @@
+/* premier programme */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(void) {
+  char c1,c2,c3,c4;
+  printf("Quelle est votre numéro de sécurité ?\n");
+  getchar();
+  getchar();
+  c1=getchar();
+  c2=getchar();
+  getchar();
+  c3=getchar();
+  c4=getchar();
+  printf("%c%c/%c%c\n",c3,c4,c1,c2);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP03/lettre b/DEV1.1/TP03/lettre
new file mode 100755
index 0000000..151d316
Binary files /dev/null and b/DEV1.1/TP03/lettre differ
diff --git a/DEV1.1/TP03/lettre.c b/DEV1.1/TP03/lettre.c
new file mode 100644
index 0000000..3112879
--- /dev/null
+++ b/DEV1.1/TP03/lettre.c
@@ -0,0 +1,11 @@
+/* premier programme */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(void) {
+  char lettre='a';
+  lettre=lettre-32;
+  printf("%c\n",lettre);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file