#include <iostream>
using namespace std;

int main()
{   //freopen("in.txt","r",stdin);
	int n;
	while(cin>>n&&n!=0)
	{
		int sum=0,days=1;
		int i;
		for(i=1;days<=n;i++)
		{
			sum=sum+i*i;
			days=days+(i+1);
			//cout<<i<<"    "<<sum<<"  "<<days<<endl;
		}
		sum=sum+(n+i-days)*i;
		cout<<n<<" "<<sum<<endl;
	}
	return 0;
}

• Re:一次 AC ，0MS……滚滚长江………… (8) zhongczlb 2010-07-30 15:24:05
• Re:一次 AC ，0MS……滚滚长江………… (349) miklcct 2012-07-26 14:53:03