AP-complete the series(easy)

[gkatariya_sof]

what's problem in this code......it's showing WA(7).but working fine on my pc

include

define LL long long

using namespace std;

int main()
{ LL t,i,a,c,b,d,n,sum;
cin>>t;

while(t--)
{
      cin>>b>>c>>sum;
  n=(sum*2)/(c+b);
  d=(c-b)/(n-5);
  a=b-2*d;
  cout<<n<<endl;
  for(i=0;i<n;i++)
  {cout<<(a+i*d)<<" ";}
  cout<<endl<<endl;
}
return 0;

}

//please reply

[leppyr64]

Please use code tags when posting code.

This problem makes it pretty easy to generate a lot of test cases easily. How have you tested your code?

[gkatariya_sof]

i tested the given test cases in problem.

[leppyr64]

The sample inputs in the problem statement are meant simply to show you how the input is structured. They are not meant to be exhaustive. You need to test more.

[gkatariya_sof]

yes, i did check many other inputs also and they all are giving correct ans