diff --git a/DEV1.1/TP08:Adresses/alphabet.c b/DEV1.1/TP08:Adresses/alphabet.c
new file mode 100644
index 0000000..d696d36
--- /dev/null
+++ b/DEV1.1/TP08:Adresses/alphabet.c
@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+  char min, maj;
+  char *p = NULL;
+ 
+  for(min = 'a', maj = 'A'; maj <= 'Z'; min++, maj++) {
+    p = (p == &min) ? &maj : &min;
+    putchar(*p);
+  }
+  putchar('\n');
+  return 0;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP08:Adresses/cartographie.c b/DEV1.1/TP08:Adresses/cartographie.c
new file mode 100644
index 0000000..50eae3f
--- /dev/null
+++ b/DEV1.1/TP08:Adresses/cartographie.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+
+int main() {
+	float f=2451.927;
+	double d=15629.2818;
+	long double ld=12586818.125155;
+	char c='&';
+	short int si=3;
+	int i=-56517;
+	long long unsigned int llui=82167258;
+
+	printf("Voici les adresses des variables:\n%p\n%p\n%p\n%p\n%p\n%p\n%p\n",&ld,&llui,&d,&i,&f,&si,&c);
+return 0;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP08:Adresses/conversion.c b/DEV1.1/TP08:Adresses/conversion.c
new file mode 100644
index 0000000..9eaaffd
--- /dev/null
+++ b/DEV1.1/TP08:Adresses/conversion.c
@@ -0,0 +1,10 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(void) {
+  long long int n = 4614256656552045848LL;
+  double* p = (double*) &n;
+  *p=*p*2;
+  printf("2pi = %f\n", *p);
+  return 0;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP08:Adresses/mort-vivant.c b/DEV1.1/TP08:Adresses/mort-vivant.c
new file mode 100644
index 0000000..86b3553
--- /dev/null
+++ b/DEV1.1/TP08:Adresses/mort-vivant.c
@@ -0,0 +1,19 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+ 
+int main(void) {
+  int* p;
+ 
+  if(time(NULL)%2) {
+    int x = 59;
+    p = &x;
+  } else {
+    int y = 31;
+    p = &y;
+  }
+  printf("x=%d\n", x);
+  printf("y=%d\n", y);
+  printf("%d\n", *p);
+  return 0;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP09:AllocationDynamique/singletons.c b/DEV1.1/TP09:AllocationDynamique/singletons.c
new file mode 100644
index 0000000..32c6b4d
--- /dev/null
+++ b/DEV1.1/TP09:AllocationDynamique/singletons.c
@@ -0,0 +1,35 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(void) {
+	int x;
+	int i;
+	int j;
+	int v;
+	double r;
+
+	printf("Combien de reels voulez vous rentrer? ");
+	scanf("%d", &x);
+	double* tab = calloc(x,sizeof(double));
+	for(i=0;i<x;i++){
+		v=0;
+		printf("\nVeuillez saisir le reel numero %d: ",i+1);
+		scanf("%lf", &r);
+		if(i>0){
+			for(j=i-1;j>=0;j--){
+				if(r==*(tab+j)){
+					v=1;
+					break;
+				}
+			}
+		} else{
+			*(tab+i)=r;
+		} if (v==0){
+			*(tab+i)=r;
+		}
+	} for(i=0;i<x;i++){
+		printf("%lf  ",*(tab+i));
+	} putchar('\n');
+
+  return 0;
+}
\ No newline at end of file