From af3743ba87c1fc85c84c8c9d2056604a140ea43d Mon Sep 17 00:00:00 2001
From: Baoshuo <i@baoshuo.ren>
Date: Mon, 9 May 2022 19:29:06 +0800
Subject: [PATCH] =?UTF-8?q?84.=20=E6=B1=821+2+=E2=80=A6+n?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

https://www.acwing.com/problem/content/submission/code_detail/14064231/
---
 AcWing/84/84.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 AcWing/84/84.cpp

diff --git a/AcWing/84/84.cpp b/AcWing/84/84.cpp
new file mode 100644
index 00000000..5bdfa075
--- /dev/null
+++ b/AcWing/84/84.cpp
@@ -0,0 +1,8 @@
+class Solution {
+  public:
+    int getSum(int n) {
+        int r = n;
+        n && (r += getSum(n - 1));
+        return r;
+    }
+};