Source Code

Problem: 2000  User: hustzh 
Memory: 204K  Time: 0MS 
Language: C++  Result: Accepted 

Source Code 
#include <cstdio>
int main()
{
	int d;
	int s1,s2,i;
	while(scanf("%d",&d) != EOF,d)
	{
		for(s1 = s2 = 0,i = 1;s2 < d;i ++)
		{
			s1 += i*i;
			s2 += i;
		}
		if(d != s2)
			s1 += (d-s2)*(i-1);
		printf("%d %d\n",d,s1);
	}
	return 0;
}