From 0a0c3a518f75bf7442b05166327f3827beb4bb42 Mon Sep 17 00:00:00 2001
From: Maxime Menault <maxime.menault.ext@u-pec.fr>
Date: Wed, 7 Oct 2026 00:07:20 +0200
Subject: [PATCH] Exemple du cours

---
 exemple.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 exemple.c

diff --git a/exemple.c b/exemple.c
new file mode 100644
index 0000000..206bed4
--- /dev/null
+++ b/exemple.c
@@ -0,0 +1,32 @@
+#include <stdio.h>
+
+int est_premier(int n) {
+    if (n < 2) return 0;
+    for (int d = 2; d < n; d++)
+        if (n % d == 0) return 0;
+    return 1;
+}
+int somme_chiffres(int n) {
+    int s = 0;
+    for (; n > 0; n /= 10) s += n % 10;
+    return s;
+}
+int compter_premiers(int limite) {
+    int total = 0;
+    for (int i = 0; i < limite; i++)
+        if (est_premier(i)) total++;
+    return total;
+}
+int premiers_chanceux(int limite) {
+    int total = 0;
+    for (int i = 0; i < limite; i++)
+        if (est_premier(somme_chiffres(i)) && est_premier(i))
+            total++;
+    return total;
+}
+
+int main(void) {
+    printf("Nombres premiers < 60000       : %d\n", compter_premiers(60000));
+    printf("Premiers « chanceux » < 60000  : %d\n", premiers_chanceux(60000));
+    return 0;
+}