multiple, andor multiplications multiples

semaine-3/and-or/main.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <stdlib.h>
+int main(void) {
+
+  int tourellePrincipaleActive = 0, pourcentageArmesSecondairesActives = 71, radarActif = 0;
+
+  if ((tourellePrincipaleActive || pourcentageArmesSecondairesActives > 70) && radarActif) {
+    printf("Vaisseau sécurisé");
+  } else {
+    printf("Alerte sécurité");
+  }
+
+  return EXIT_SUCCESS;
+}
+

semaine-3/multiple/main.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+
+  int i, element, list[] = {1281, 3281, 5281, 7481, 8281, 9581, 108281};
+  size_t n = sizeof(list) / sizeof(int);
+
+  for (i = 0; i < n; ++i) {
+    element = list[i];
+    if (element % 7 == 0 && element % 13 == 0) {
+      printf("%d\n", element);
+    }
+  }
+
+  return EXIT_SUCCESS;
+}

semaine-3/multiplications-multiples/main.c

@@ -0,0 +1,23 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#define TARGET 10
+#define MAX 9
+
+int main(void) {
+
+  int i, j, n = 0, result;
+
+  for (i = 1; i <= MAX; i++) {
+    for (j = 1; j <= TARGET; j++) {
+      result = i * j;
+      if ((result % 2 == 0 && result % 4 == 0) && result % 3 != 0) {
+        n++;
+      }
+    }
+  }
+
+  printf("%d", n);
+
+  return EXIT_SUCCESS;
+}