aoj-CGL_2_D.cpp
#include "../include/geometry/distance.cpp"
#include "../include/template/initialize.cpp"
using namespace std;
using P = Point<float11>;
using S = Segment<float11>;
int main() {
int q;
cin >> q;
while (q--) {
P a, b, c, d;
cin >> a >> b >> c >> d;
S s1(a, b), s2(c, d);
cout << dist_ss(s1, s2) << endl;
}
return 0;
}