From ae9d0bd482ec7a835ee5deab7bfaf1de5e66d774 Mon Sep 17 00:00:00 2001
From: Prince Sharma <princesharma21102004@gmail.com>
Date: Mon, 28 Apr 2025 20:10:37 +0530
Subject: [PATCH 1/2] Add C++ program to swap two numbers

---
 math/swap_two_numbers.cpp | 63 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 math/swap_two_numbers.cpp

diff --git a/math/swap_two_numbers.cpp b/math/swap_two_numbers.cpp
new file mode 100644
index 00000000000..2e1f56a21f5
--- /dev/null
+++ b/math/swap_two_numbers.cpp
@@ -0,0 +1,63 @@
+#include <cassert>
+#include <iostream>
+
+/**
+ * Function to swap two numbers using reference variables.
+ * @param a First number.
+ * @param b Second number.
+ *
+ * \detail
+ * The algorithm uses a temporary variable to store the value of a,
+ * then assigns the value of b to a, and finally assigns the value
+ * stored in the temporary variable to b.
+ */
+void swap_two_numbers(int &a, int &b)
+{
+    int temp = a;
+    a = b;
+    b = temp;
+}
+
+/**
+ * Function for testing the swap_two_numbers() function with a
+ * first test case of 5 and 10 and assert statement.
+ */
+void test1()
+{
+    int a = 5, b = 10;
+    swap_two_numbers(a, b);
+    assert(a == 10 && b == 5);
+}
+
+/**
+ * Function for testing the swap_two_numbers() function with a
+ * second test case of -5 and 10 and assert statement.
+ */
+void test2()
+{
+    int a = -5, b = 10;
+    swap_two_numbers(a, b);
+    assert(a == 10 && b == -5);
+}
+
+/**
+ * Function for testing the swap_two_numbers() with
+ * all the test cases.
+ */
+void test()
+{
+    // First test.
+    test1();
+    // Second test.
+    test2();
+}
+
+/**
+ * Main Function
+ */
+int main()
+{
+    test();
+    std::cout << "Success." << std::endl;
+    return 0;
+}

From 869593a9d484d4a19ae7dc690428a88680843c50 Mon Sep 17 00:00:00 2001
From: Prince Sharma <princesharma21102004@gmail.com>
Date: Mon, 28 Apr 2025 23:27:06 +0530
Subject: [PATCH 2/2] Add C++ program to swap two numbers

---
 math/swap_two_numbers.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/math/swap_two_numbers.cpp b/math/swap_two_numbers.cpp
index 2e1f56a21f5..29a6edeb33f 100644
--- a/math/swap_two_numbers.cpp
+++ b/math/swap_two_numbers.cpp
@@ -1,3 +1,9 @@
+/**
+ * Copyright 2025 @author princesharma2004
+ *
+ * @file
+ * \brief A C++ Program to swap two numbers using reference variables.
+ */
 #include <cassert>
 #include <iostream>