#include<iostream>
using namespace std;

void main()
{
	int root, a;

	while ( cin >> a)
	{
		if (a == 0)
			return;
		root = a;
		
		while (root >= 10)
		{
			a = a / 10 + a % 10;
			root = a;
		}
		cout << root << endl;
	}
	
}

• 输入的数可能相当大 (6) Judas 2006-04-10 18:00:52
  • Re:输入的数可能相当大 (13) stoundmire 2007-04-01 20:42:02