diff --git a/DEV1.1/TP11/TP11_reponses.txt b/DEV1.1/TP11/TP11_reponses.txt
new file mode 100644
index 0000000..db00397
--- /dev/null
+++ b/DEV1.1/TP11/TP11_reponses.txt
@@ -0,0 +1,85 @@
+-------- TP11 : Math --------
+
+1.
+
+# include <stdio.h>
+# include <stdlib.h>
+# include <math.h>
+# define M_PI 3.14159265358979323846264338379
+
+int main(void) {
+	printf("%f\n", sqrt(fabs(log(0.5))));
+	printf("%f\n", sin(M_PI/6.0));
+	printf("%f\n", atan(pow(13.0, 2.0)));
+	printf("%f\n", pow(exp(-1.0), 4.0));
+	printf("%f\n", log(-3.0));
+	printf("%f\n", pow(sqrt(2.0), 2.0));
+	return EXIT_SUCCESS;
+}
+
+
+2. 
+
+# include <stdio.h>
+# include <stdlib.h>
+# include <math.h>
+# define M_PI 3.14159265358979323846264338379
+
+int main(void) {
+	double xa;
+	double xb;
+	double ya;
+	double yb;
+	printf("Entrez xa : ");
+	scanf("%lf", &xa);
+	getchar();
+	printf("\nEntrez xb : ");
+	scanf("%lf", &xb);
+	getchar();
+	printf("\nEntrez ya : ");
+	scanf("%lf", &ya);
+	getchar();
+	printf("\nEntrez yb : ");
+	scanf("%lf", &yb);
+	getchar();
+	printf("Distance : %f", sqrt(pow((ya - xa), 2.0) + pow((yb - ya), 2.0)));
+	return EXIT_SUCCESS;
+}
+
+
+3.
+
+# include <stdio.h>
+# include <stdlib.h>
+# include <math.h>
+# define M_PI 3.14159265358979323846264338379
+
+int main(void) {
+	double rayon;
+	double angle;
+	printf("Entrez rayon : ");
+	scanf("%lf", &rayon);
+	getchar();
+	printf("\nEntrez angle (en rad) : ");
+	scanf("%lf", &angle);
+	getchar();
+	printf("x : %f ; y : %f", rayon*cos(angle), rayon*sin(angle));
+	return EXIT_SUCCESS;
+}
+
+
+4.
+
+# include <stdio.h>
+# include <stdlib.h>
+# include <math.h>
+# define M_PI 3.14159265358979323846264338379
+
+int main(void) {
+	double reel;
+	printf("Entrez un réel : ");
+	scanf("%lf", &reel);
+	printf("chiffre des unités : %d\n", (int) floor(reel) % 10);
+	printf("chiffre des dixièmes : %d\n", (int) floor(reel * 10) % 10);
+	return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP11/tests.c b/DEV1.1/TP11/tests.c
new file mode 100644
index 0000000..b622b7e
--- /dev/null
+++ b/DEV1.1/TP11/tests.c
@@ -0,0 +1,13 @@
+# include <stdio.h>
+# include <stdlib.h>
+# include <math.h>
+# define M_PI 3.14159265358979323846264338379
+
+int main(void) {
+	double reel;
+	printf("Entrez un réel : ");
+	scanf("%lf", &reel);
+	printf("chiffre des unités : %d\n", (int) floor(reel) % 10);
+	printf("chiffre des dixièmes : %d\n", (int) floor(reel * 10) % 10);
+	return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP12/TP12_reponses.txt b/DEV1.1/TP12/TP12_reponses.txt
new file mode 100644
index 0000000..58e4fff
--- /dev/null
+++ b/DEV1.1/TP12/TP12_reponses.txt
@@ -0,0 +1,231 @@
+------- TP12 : Tableaux -------
+
+1.
+
+# include <stdio.h>
+# include <stdlib.h>
+# include <time.h>
+# define TAILLE_TABLEAU 10
+
+int main(void){
+	int tab[TAILLE_TABLEAU];
+	int i;
+	srand(time(NULL));
+
+	/* Remplissage du tableau */
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		tab[i] = (rand() % 100) - 50;
+	}
+	/* Affichage du tableau */
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		printf("+-----");
+	}
+	printf("+\n");
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		if (tab[i] < 10 && tab[i] >= 0) {
+			printf("|   %d ", tab[i]);
+		}
+		else if (tab[i] < -9) {
+			printf("| %d ", tab[i]);
+		}
+		else {
+			printf("|  %d ", tab[i]);
+		}
+	}
+	printf("|\n");
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		printf("+-----");
+	}
+	printf("+\n");
+	
+	return EXIT_SUCCESS;
+}
+
+
+2.
+
+# include <stdio.h>
+# include <stdlib.h>
+# include <time.h>
+# define TAILLE_TABLEAU 10
+
+int main(void){
+	int tab[TAILLE_TABLEAU];
+	int i;
+	int maxi;
+	int indice_max;
+	srand(time(NULL));
+
+	/* Remplissage du tableau */
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		tab[i] = (rand() % 100) - 50;
+	}
+
+	/* Recherche du maximum */
+	maxi = tab[0];
+	indice_max = 0;
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		if (tab[i] > maxi) {
+			maxi = tab[i];
+			indice_max = i;
+		}
+	}
+	/* Affichage du maximum */
+	for (i = 0; i != (indice_max*6) + 3; i++) {
+		printf(" ");
+	}
+	printf("|\n");
+	for (i = 0; i != (indice_max*6) + 3; i++) {
+		printf(" ");
+	}
+	printf("V\n");
+
+	/* Affichage du tableau */
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		printf("+-----");
+	}
+	printf("+\n");
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		if (tab[i] < 10 && tab[i] >= 0) {
+			printf("|   %d ", tab[i]);
+		}
+		else if (tab[i] < -9) {
+			printf("| %d ", tab[i]);
+		}
+		else {
+			printf("|  %d ", tab[i]);
+		}
+	}
+	printf("|\n");
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		printf("+-----");
+	}
+	printf("+\n");
+	
+	return EXIT_SUCCESS;
+}
+
+3.
+
+# include <stdio.h>
+# include <stdlib.h>
+# include <time.h>
+# define TAILLE_TABLEAU 10
+
+int main(void){
+	int tab[TAILLE_TABLEAU];
+	int i;
+	int recherche;
+	int indice_recherche;
+	srand(time(NULL));
+
+	/* Remplissage du tableau */
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		tab[i] = (rand() % 100) - 50;
+	}
+	/* Affichage du tableau */
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		printf("+-----");
+	}
+	printf("+\n");
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		if (tab[i] < 10 && tab[i] >= 0) {
+			printf("|   %d ", tab[i]);
+		}
+		else if (tab[i] < -9) {
+			printf("| %d ", tab[i]);
+		}
+		else {
+			printf("|  %d ", tab[i]);
+		}
+	}
+	printf("|\n");
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		printf("+-----");
+	}
+	printf("+\n");
+
+	/* Recherche d'indice par l'utilisateur */
+	printf("Quelle valeur chercher ? ");
+	scanf("%d",&recherche);
+	indice_recherche = -1;
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		if (tab[i] == recherche && indice_recherche == -1) {
+			indice_recherche = i;
+		}
+	}
+	printf("\n%d\n", indice_recherche);
+
+	
+	return EXIT_SUCCESS;
+}
+
+
+4. 
+
+# include <stdio.h>
+# include <stdlib.h>
+# include <time.h>
+# define TAILLE_TABLEAU 10
+
+int main(void){
+	int tab[TAILLE_TABLEAU];
+	int tab_inverse[TAILLE_TABLEAU];
+	int i;
+	srand(time(NULL));
+
+	/* Remplissage du tableau */
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		tab[i] = (rand() % 100) - 50;
+	}
+	/* Affichage du tableau */
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		printf("+-----");
+	}
+	printf("+\n");
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		if (tab[i] < 10 && tab[i] >= 0) {
+			printf("|   %d ", tab[i]);
+		}
+		else if (tab[i] < -9) {
+			printf("| %d ", tab[i]);
+		}
+		else {
+			printf("|  %d ", tab[i]);
+		}
+	}
+	printf("|\n");
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		printf("+-----");
+	}
+	printf("+\n");
+
+	/* Remplissage du tableau inverse */
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		tab_inverse[i] = tab[TAILLE_TABLEAU-i-1];
+	}
+
+	/* Affichage du tableau */
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		printf("+-----");
+	}
+	printf("+\n");
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		if (tab_inverse[i] < 10 && tab_inverse[i] >= 0) {
+			printf("|   %d ", tab_inverse[i]);
+		}
+		else if (tab_inverse[i] < -9) {
+			printf("| %d ", tab_inverse[i]);
+		}
+		else {
+			printf("|  %d ", tab_inverse[i]);
+		}
+	}
+	printf("|\n");
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		printf("+-----");
+	}
+	printf("+\n");
+	
+	return EXIT_SUCCESS;
+}
diff --git a/DEV1.1/TP12/tests.c b/DEV1.1/TP12/tests.c
new file mode 100644
index 0000000..f868c0a
--- /dev/null
+++ b/DEV1.1/TP12/tests.c
@@ -0,0 +1,65 @@
+# include <stdio.h>
+# include <stdlib.h>
+# include <time.h>
+# define TAILLE_TABLEAU 10
+
+int main(void){
+	int tab[TAILLE_TABLEAU];
+	int tab_inverse[TAILLE_TABLEAU];
+	int i;
+	srand(time(NULL));
+
+	/* Remplissage du tableau */
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		tab[i] = (rand() % 100) - 50;
+	}
+	/* Affichage du tableau */
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		printf("+-----");
+	}
+	printf("+\n");
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		if (tab[i] < 10 && tab[i] >= 0) {
+			printf("|   %d ", tab[i]);
+		}
+		else if (tab[i] < -9) {
+			printf("| %d ", tab[i]);
+		}
+		else {
+			printf("|  %d ", tab[i]);
+		}
+	}
+	printf("|\n");
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		printf("+-----");
+	}
+	printf("+\n");
+
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		tab_inverse[i] = tab[TAILLE_TABLEAU-i-1];
+	}
+
+	/* Affichage du tableau */
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		printf("+-----");
+	}
+	printf("+\n");
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		if (tab_inverse[i] < 10 && tab_inverse[i] >= 0) {
+			printf("|   %d ", tab_inverse[i]);
+		}
+		else if (tab_inverse[i] < -9) {
+			printf("| %d ", tab_inverse[i]);
+		}
+		else {
+			printf("|  %d ", tab_inverse[i]);
+		}
+	}
+	printf("|\n");
+	for (i = 0; i != TAILLE_TABLEAU; i++) {
+		printf("+-----");
+	}
+	printf("+\n");
+	
+	return EXIT_SUCCESS;
+}