diff --git a/DEV1.1/TP12/triangle b/DEV1.1/TP12/triangle
new file mode 100755
index 0000000..c02f7ca
Binary files /dev/null and b/DEV1.1/TP12/triangle differ
diff --git a/DEV1.1/TP12/triangle.c b/DEV1.1/TP12/triangle.c
new file mode 100644
index 0000000..2e39fbb
--- /dev/null
+++ b/DEV1.1/TP12/triangle.c
@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+	int ligne,colonne;
+	int tab[30][30]={{1}};
+	for(ligne=1;ligne<30;ligne++){
+		for(colonne=0;colonne<30;colonne++){
+			if (colonne==0)
+				tab[ligne][colonne]=1;
+			tab[ligne][colonne]=(tab[ligne-1][colonne-1]+tab[ligne-1][colonne]);
+		}
+	}
+	for(ligne=0;ligne<30;ligne++){
+		for(colonne=0;colonne<30;colonne++){
+			if (tab[ligne][colonne]!=0)
+				printf("%3d ",tab[ligne][colonne]);
+		}
+		printf("\n");
+	}
+	return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP13/alphabet b/DEV1.1/TP13/alphabet
new file mode 100755
index 0000000..73bec1a
Binary files /dev/null and b/DEV1.1/TP13/alphabet differ
diff --git a/DEV1.1/TP13/alphabet.c b/DEV1.1/TP13/alphabet.c
new file mode 100644
index 0000000..20f577d
--- /dev/null
+++ b/DEV1.1/TP13/alphabet.c
@@ -0,0 +1,21 @@
+#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 EXIT_SUCCESS;
+}
+
+
+/*Cela va écrire l'alphabet en minuscule*/
+
+/*Correction: Cela va écrire l'alphabet en alternant entre des minuscules et 
+des majuscules avec a en minuscule*/
\ No newline at end of file
diff --git a/DEV1.1/TP13/cartographie b/DEV1.1/TP13/cartographie
new file mode 100755
index 0000000..bde26b8
Binary files /dev/null and b/DEV1.1/TP13/cartographie differ
diff --git a/DEV1.1/TP13/cartographie.c b/DEV1.1/TP13/cartographie.c
new file mode 100644
index 0000000..9d63fc5
--- /dev/null
+++ b/DEV1.1/TP13/cartographie.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+	int val1;
+	double val2;
+	long double val3;
+	char val4;
+	short int val5;
+	int val6;
+	long long unsigned int val7;
+	int* ptr1=&val1;
+	double* ptr2=&val2;
+	long double* ptr3=&val3;
+	char* ptr4=&val4;
+	short int* ptr5=&val5;
+	int* ptr6=&val6;
+	long long unsigned int* ptr7=&val7;
+	printf("%p %p %p %p %p %p %p \n",ptr1,ptr2,ptr3,ptr4,ptr5,ptr6,ptr7);
+	return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP13/conversion b/DEV1.1/TP13/conversion
new file mode 100755
index 0000000..d13c7b7
Binary files /dev/null and b/DEV1.1/TP13/conversion differ
diff --git a/DEV1.1/TP13/conversion.c b/DEV1.1/TP13/conversion.c
new file mode 100644
index 0000000..7c7289b
--- /dev/null
+++ b/DEV1.1/TP13/conversion.c
@@ -0,0 +1,9 @@
+#include <stdlib.h>
+#include <stdio.h>
+ 
+int main(void) {
+  long long int n = 4614256656552045848LL;
+  double* p = (double*) &n;
+  printf("π = %f\n", *p);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP13/conversion2 b/DEV1.1/TP13/conversion2
new file mode 100755
index 0000000..57c2553
Binary files /dev/null and b/DEV1.1/TP13/conversion2 differ
diff --git a/DEV1.1/TP13/conversion2.c b/DEV1.1/TP13/conversion2.c
new file mode 100644
index 0000000..c422114
--- /dev/null
+++ b/DEV1.1/TP13/conversion2.c
@@ -0,0 +1,9 @@
+#include <stdlib.h>
+#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;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP13/mort-vivant b/DEV1.1/TP13/mort-vivant
new file mode 100755
index 0000000..f1a5e41
Binary files /dev/null and b/DEV1.1/TP13/mort-vivant differ
diff --git a/DEV1.1/TP13/mort-vivant.c b/DEV1.1/TP13/mort-vivant.c
new file mode 100644
index 0000000..b4dd62a
--- /dev/null
+++ b/DEV1.1/TP13/mort-vivant.c
@@ -0,0 +1,21 @@
+#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 EXIT_SUCCESS;
+}
+
+/*Cela va afficher 59 , elle est stockée dans x*/
\ No newline at end of file