why i am getting runtime error ,ideone accept my code without runtime error.
#include
using namespace std;
int main()
{
long long int n,i,c,a[10000];
int t;
cin>>t;
while(t–)
{
c=0;
cin>>n;
for(i=0;i<n;i++)
{
cin>>a[i];
c = c + a[i];
}
if(c%n==0)
cout<<“YES”<<endl;
else
cout<<“NO”<<endl;
}
return 0;
}