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贴个代码:#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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