can anyone help me what is problem with this code? it is giving correct answer on dev c++ but here its shows error.

general
1

#include
using namespace std;
main()
{
int t;
cin>>t;
while(t–)
{
int n;
cin>>n;
double loss=0;
for(int i=0;i<n;i++)
{
int price;

		int q,discount;
		cin>>price>>q>>discount;
		 double a1,a2,a3;
		 a1=price*q;
		a2=a1+((a1*discount)/100);
 
		a3=a2-((a2*discount)/100);
		//cout<<price1;
		loss=loss+(a1-a3);
}
	cout<<loss;
}

}

2

#include
using namespace std;
int main()
{
int q,discount,price;
cin>>price>>q>>discount;
double a1,a2,a3;
a1=priceq;
a2=a1+((a1discount)/100);

    a3=a2-((a2*discount)/100);
    //cout<<price1;
   double loss=loss+(a1-a3);

cout<<loss;

}
3

Please Specify the Error code.