简单的题解

#include<iostream>
using namespace std;
int main()
{
int n;
cin>>n;
int a[n+1]={0};
for(int i=1;i<=n;i++)for(int j=1;j<=n;j++)if(j%i==0)a[j];
for(int i=1;i<=n;i)if(a[i]%2)cout<<i<<" ";
}