From c7ec385a551c1e83b4c687a5b598424355c433a9 Mon Sep 17 00:00:00 2001
From: HORVILLE Ewen <ewen.horville@etu.u-pec.fr>
Date: Tue, 25 Jan 2022 14:25:17 +0100
Subject: [PATCH] Controle Machine 2

---
 APL1.1/CM2/conversion.c | 18 ++++++++++++++++++
 APL1.1/CM2/inverse.c    | 23 +++++++++++++++++++++++
 APL1.1/CM2/lancer.c     | 17 +++++++++++++++++
 APL1.1/CM2/semaine.c    | 32 ++++++++++++++++++++++++++++++++
 4 files changed, 90 insertions(+)
 create mode 100644 APL1.1/CM2/conversion.c
 create mode 100644 APL1.1/CM2/inverse.c
 create mode 100644 APL1.1/CM2/lancer.c
 create mode 100644 APL1.1/CM2/semaine.c

diff --git a/APL1.1/CM2/conversion.c b/APL1.1/CM2/conversion.c
new file mode 100644
index 0000000..57abbe9
--- /dev/null
+++ b/APL1.1/CM2/conversion.c
@@ -0,0 +1,18 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define FACTOR 2.54
+
+int main(int argc, char* argv[]) {
+    double length = strtod(argv[1], NULL), new_length;
+    if (!strcmp(argv[2], "cm")) { /*On veut convertir en pouces*/
+        new_length = length / FACTOR;
+        printf("%1.3fcm = %1.3fin\n", length, new_length);
+    } else { /*On veut convertir en centimètres*/
+        new_length = length * FACTOR;
+        printf("%1.3fin = %1.3fcm\n", length, new_length);
+    }
+
+    return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/APL1.1/CM2/inverse.c b/APL1.1/CM2/inverse.c
new file mode 100644
index 0000000..5dd5a5d
--- /dev/null
+++ b/APL1.1/CM2/inverse.c
@@ -0,0 +1,23 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#define NBINT 5
+
+void reverse(int state) {
+    int entier;
+    printf("Entier n° %d : ", NBINT - state + 1);
+    scanf("%d", &entier);
+
+    if (state != 1) /*On demande les autres entiers avant de print !*/
+        reverse(state-1);
+
+    printf("%d ", entier);
+
+    if (state == NBINT)
+        putchar('\n'); /*On retourne à la ligne à la fin.*/
+}
+
+int main(void) {
+    reverse(NBINT);
+    return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/APL1.1/CM2/lancer.c b/APL1.1/CM2/lancer.c
new file mode 100644
index 0000000..faac862
--- /dev/null
+++ b/APL1.1/CM2/lancer.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+    FILE* file = fopen("/dev/random", "r");
+    if (file) {
+        unsigned char randVal;
+        fread(&randVal, 1, 1, file);
+
+        printf("%d\n", (randVal % 6) + 1);
+    } else {
+        puts("Impossible d'ouvrir le fichier.");
+        return EXIT_FAILURE;
+    }
+
+    return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/APL1.1/CM2/semaine.c b/APL1.1/CM2/semaine.c
new file mode 100644
index 0000000..f03cc75
--- /dev/null
+++ b/APL1.1/CM2/semaine.c
@@ -0,0 +1,32 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+char weekDays[7][9] = {
+    "dimanche",
+    "lundi",
+    "mardi",
+    "mercredi",
+    "jeudi",
+    "vendredi",
+    "samedi"
+};
+
+int main(void) {
+    int day, month, year;
+    printf("Donnez une date au format jj/mm/aa : ");
+    scanf("%d/%d/%d", &day, &month, &year);
+
+    year += 100; /*On assume que les dates données sont des années 2XXX*/
+    month -= 1;
+
+    struct tm partialDate = {};
+    partialDate.tm_mday = day;
+    partialDate.tm_mon = month;
+    partialDate.tm_year = year;
+
+    mktime(&partialDate);
+    printf("C'est un %s.\n", weekDays[partialDate.tm_wday]);
+
+    return EXIT_SUCCESS;
+}
\ No newline at end of file