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贴个代码:

Posted by 0810311106 at 2009-10-09 20:12:53 on Problem 2853
#include"iostream"
using namespace std;
int main()
{
	int n;
	cin>>n;
	while(n--)
	{
		long  sum;
		int num,t=0;
		int i;
		cin>>num>>sum;
		for(i=2;i<70000;i++)
             if((2*sum-i*i+i)%(2*i)==0&&(2*sum-i*i+i)>0)
				 t++;
			 else if(2*sum-i*i+i<=0)
				 break;
		cout<<num<<" "<<t<<endl;
	}
	return 0;
}

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