diff --git a/DEV1.1/TP02:Caracteres,Reels/.nfs0000000000462b9000000026 b/DEV1.1/TP02:Caracteres,Reels/.nfs0000000000462b9000000026
deleted file mode 100755
index b1f7fee..0000000
Binary files a/DEV1.1/TP02:Caracteres,Reels/.nfs0000000000462b9000000026 and /dev/null differ
diff --git a/DEV1.1/TP03:Conditions/bissextile.c b/DEV1.1/TP03:Conditions/bissextile.c
index cb04c40..c02a22a 100644
--- a/DEV1.1/TP03:Conditions/bissextile.c
+++ b/DEV1.1/TP03:Conditions/bissextile.c
@@ -1,6 +1,17 @@
 #include <stdio.h>
 
 int main(void) {
-
-  return 0;
+	int n;
+	printf("Veuillez saisir une annee.\n");
+	scanf("%d",&n);
+	if (n%400==0){
+		printf("%d est une annee bissextile.\n",n);
+	} else{
+		if (n%4==0 && n%100!=0){
+			printf("%d est une annee bissextile.\n",n);
+		} else {
+			printf("%d n'est pas une annee bissextile.\n",n);
+		}
+	}
+	return 0;
 }
\ No newline at end of file
diff --git a/DEV1.1/TP02:Caracteres,Reels/.nfs000000000046254e00000025 b/DEV1.1/TP04:Types/.nfs00000000005e220a00000065
similarity index 57%
rename from DEV1.1/TP02:Caracteres,Reels/.nfs000000000046254e00000025
rename to DEV1.1/TP04:Types/.nfs00000000005e220a00000065
index 0169f1e..29d9c02 100755
Binary files a/DEV1.1/TP02:Caracteres,Reels/.nfs000000000046254e00000025 and b/DEV1.1/TP04:Types/.nfs00000000005e220a00000065 differ
diff --git a/DEV1.1/TP04:Types/affluence.c b/DEV1.1/TP04:Types/affluence.c
new file mode 100644
index 0000000..3c14f6a
--- /dev/null
+++ b/DEV1.1/TP04:Types/affluence.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+
+int main(void) {
+  int n;
+  int m;
+  m=0;
+  printf("Indiquez le nombre de visiteurs lundi.\n");
+  scanf(" %d",&n);
+  m=m+n;
+  printf("Indiquez le nombre de visiteurs mardi.\n");
+  scanf(" %d",&n);
+  m=m+n;
+  printf("Indiquez le nombre de visiteurs mercredi.\n");
+  scanf(" %d",&n);
+  m=m+n;
+  printf("Indiquez le nombre de visiteurs jeudi.\n");
+  scanf(" %d",&n);
+  m=m+n;
+  printf("Indiquez le nombre de visiteurs vendredi.\n");
+  scanf(" %d",&n);
+  m=m+n;
+  m=m/5;
+  printf("Le nombre de visiteurs journalier moyen est de %d\n",m);
+  return 0;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP04:Types/debordement.c b/DEV1.1/TP04:Types/debordement.c
new file mode 100644
index 0000000..4f071b8
--- /dev/null
+++ b/DEV1.1/TP04:Types/debordement.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+
+int main(void) {
+  int n;
+  char c;
+  printf("Veuillez saisir un entier.\n");
+  scanf("%d",&n);
+  c=n;
+  printf("%d,%c\n",n,c); 
+  return 0;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP04:Types/monnaie.c b/DEV1.1/TP04:Types/monnaie.c
new file mode 100644
index 0000000..0bfd157
--- /dev/null
+++ b/DEV1.1/TP04:Types/monnaie.c
@@ -0,0 +1,31 @@
+#include <stdio.h>
+
+int main(void) {
+	float r;
+	int p1;
+	int p2;
+	int p3;
+	float ar;
+	float p;
+	p=5.49;
+	p1=0;
+	p2=0;
+	p3=0;
+	ar=0;
+	r=0;
+  	printf("Veuillez saisir la monnaie donner par le client.\n");
+  	scanf("%f",&r);
+  	ar=r-p;
+  	while (ar>=2){
+  		ar=ar-2;
+  		p1+=1;
+  	} while (ar>=0.20){
+  		ar=ar-0.20;
+  		p2+=1;
+  	} while (ar>=0.01){
+  		ar=ar-0.01;
+  		p3+=1;
+  	}
+  	printf("Pour rendre la monnaie, il faudra %d pieces de 2euros, %d pieces de 20centimes et %d pieces de 1centime.\n",p1,p2,p3);
+  	return 0;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP04:Types/variete.c b/DEV1.1/TP04:Types/variete.c
new file mode 100644
index 0000000..8692078
--- /dev/null
+++ b/DEV1.1/TP04:Types/variete.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main(void) {
+  printf("%d,77,%f,%c%c,%lf\n",77,77.0,'7','7',77.0);
+  return 0;
+}
\ No newline at end of file