#include using namespace std; int main() { long long t,a,b,c,l,r,max,min,i; cin>>t; while(t--) { max=-999999999; min=999999999; cin>>a>>b>>c>>l>>r; for(i=l;i<=r;++i) { if(a*i*i+b*i+c>max) { max=a*i*i+b*i+c; } if(a*i*i+b*i+c