From 6b4caa82232fe7ba62728311f168c3269d3665f6 Mon Sep 17 00:00:00 2001
From: Claudio Maggioni <claudio@maggioni.xyz>
Date: Fri, 27 Sep 2019 09:58:45 +0200
Subject: [PATCH] 2019-09-27 in class

---
 swap.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 swap.c

diff --git a/swap.c b/swap.c
new file mode 100644
index 0000000..116c482
--- /dev/null
+++ b/swap.c
@@ -0,0 +1,14 @@
+#include <stdio.h>
+
+void swap(int* a, int* b) {
+	*a = *a ^ *b;
+	*b = *b ^ *a;
+	*a = *a ^ *b;
+}
+
+int main() {
+	int a = 3, b = 5;
+	swap(&a, &b);
+	printf("%d %d", a, b);
+}
+