Create references.cpp

1 files changed, 22 insertions, 0 deletions

diff --git a/Sem. 12/references.cpp b/Sem. 12/references.cpp
new file mode 100644
index 0000000..5922d33
--- /dev/null
+++ b/Sem. 12/references.cpp
@@ -0,0 +1,22 @@
+#include <iostream>
+using namespace std;
+
+void f(int a)
+{
+	a += 5;
+
+}
+void f2(int& a) 
+{
+	a += 5;
+}
+
+int main()
+{
+	int x = 10;
+	f(x);
+	cout << x << endl; //10
+
+	f2(x);
+	cout << x << endl; //15
+}