From 373dae1453b6b0ef75424a3cefe379f27f83b939 Mon Sep 17 00:00:00 2001
From: Kirito <1362050620@qq.com>
Date: Fri, 5 Aug 2016 11:56:39 +0800
Subject: [PATCH] Create 1110.cpp

---
 QUSTOJ/1110.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 QUSTOJ/1110.cpp

diff --git a/QUSTOJ/1110.cpp b/QUSTOJ/1110.cpp
new file mode 100644
index 0000000..4ceebbd
--- /dev/null
+++ b/QUSTOJ/1110.cpp
@@ -0,0 +1,10 @@
+#include <iostream>
+
+int main(){
+    long long re,n;
+    std::cin>>n;
+    re=n*(n+1)*(2*n+1);
+    re/=6;
+    std::cout<<re;
+    return 0;
+}