From e6e61758bb3d1d2b561b0edda41e7fed43440f8f Mon Sep 17 00:00:00 2001
From: PanSi21 <pansi21@noreply.localhost>
Date: Sun, 5 Jan 2025 00:08:32 +0100
Subject: [PATCH] Aggiorna test.c

---
 test.c | 27 ++++++++++++---------------
 1 file changed, 12 insertions(+), 15 deletions(-)

diff --git a/test.c b/test.c
index 15124f4..e1561b8 100644
--- a/test.c
+++ b/test.c
@@ -1,17 +1,14 @@
-int fibonacci( void ) {
-   int n = 1000000;
-   if ( n <= 1 ) return n;
-   return fibonacci( n - 1 ) + fibonacci ( n - 2);
-}
+#include <stdint.h>
 
-/*
-int main(int argc, char *argv[]) {
-    if (argc != 2) {
-        printf("Usage: %s <number>\n", argv[0]);
-        return 1;
+uint64_t fibonacci( void ) {
+    const int n = 500000;
+    uint64_t a = 0, b = 1, c;
+
+    for (int i = 2; i <= n; i++) {
+        c = a + b;
+        a = b;
+        b = c;
     }
-    int n = atoi(argv[1]);
-    printf("%d\n", fibonacci(n));
-    return 0;
-}
-*/
\ No newline at end of file
+
+    return b;
+}
\ No newline at end of file