bryce1010模板
http://codeforces.com/gym/101810
#include<bits/stdc++.h>
using namespace std;
int a[1005];
int main()
{
int t,x,n,cnt,ans,p;
cin>>t;
while(t--)
{
cin>>x>>n;
if(x<n)
{
cout<<-1<<endl;
continue;
}
ans=x/n;
p=x%n;
for(int i=n;i>1;i--)
{
if(i<=p)
cout<<ans+1<<" ";
else
cout<<ans<<" ";
}
if(p!=0)
cout<<ans+1<<endl;
else
cout<<ans<<endl;
}
return 0;
}