From 76cb3a4d4786e5c93d56f03144fa5c8ae6ba22aa Mon Sep 17 00:00:00 2001
From: sakshi292 <114948270+sakshi292@users.noreply.github.com>
Date: Mon, 10 Oct 2022 23:19:19 +0530
Subject: [PATCH] Create C++9.cpp

---
 C++9.cpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 C++9.cpp

diff --git a/C++9.cpp b/C++9.cpp
new file mode 100644
index 0000000..17a4da1
--- /dev/null
+++ b/C++9.cpp
@@ -0,0 +1,25 @@
+// Factorial of n = 1*2*3*...*n
+
+#include <iostream>
+using namespace std;
+
+int factorial(int);
+
+int main() {
+    int n, result;
+
+    cout << "Enter a non-negative number: ";
+    cin >> n;
+
+    result = factorial(n);
+    cout << "Factorial of " << n << " = " << result;
+    return 0;
+}
+
+int factorial(int n) {
+    if (n > 1) {
+        return n * factorial(n - 1);
+    } else {
+        return 1;
+    }
+}