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这也叫题目吗...#include<iostream>
using namespace std;
int main()
{
int n,i,sum=1;
cin>>n;
n*=2;
for(i=2;i*i<n;i++)
{
if((n-i*i)%i==0&&(n-i*i)/i%2)
sum++;
}
cout<<sum<<endl;
}
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