From c09291c8cb6d84bb31fda9b644e638e1c79a71b1 Mon Sep 17 00:00:00 2001
From: Alaa Muhammad Abdul Azim Ali Amara <es-alaa.mohamed2027@alexu.edu.eg>
Date: Sat, 2 Aug 2025 09:56:45 +0300
Subject: [PATCH] my solution to problem

---
 Alaa.md | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 Alaa.md

diff --git a/Alaa.md b/Alaa.md
new file mode 100644
index 0000000..d5d0c83
--- /dev/null
+++ b/Alaa.md
@@ -0,0 +1,8 @@
+```
+#include <bits/stdc++.h>
+using namespace std;
+int main(){
+    long long  n ;
+    cout<< n*(n+1)/2 << endl ;
+}
+```
\ No newline at end of file