delete pics to save space

2023-08-03 09:22:52 +08:00
commit de60cd6ed4
1334 changed files with 66221 additions and 0 deletions
--- a/history_source/信息学奥赛一本通/1.4.4.10.cpp
+++ b/history_source/信息学奥赛一本通/1.4.4.10.cpp
@ -0,0 +1,18 @@
+#include<iostream>
+using namespace std;
+int main()
+{
+	int n;
+	cin>>n;
+	long long ans=0;
+	int i;
+	for(i=1;n-i>=0;i++)
+	{
+		ans+=i*i;
+		n-=i;
+	}
+	if(n>0) ans+=n*i;
+	cout<<ans<<endl; 
+	return 0;
+}
+