View Compilation Error

0_0_39395685_32250.cpp:2:1: error: 'cin' does not name a type
    2 | cin >> x1 >> y1 >> x2 >> y2;
      | ^~~
0_0_39395685_32250.cpp:5:1: error: 'cin' does not name a type
    5 | cin >> a1 >> b1 >> a2 >> b2;
      | ^~~
0_0_39395685_32250.cpp:6:1: error: 'cout' does not name a type
    6 | cout << std::fixed << std::setprecision(2)<<sqrt(pow(x1 - x2, 2) + pow(y1 - y2, 2)) << endl;
      | ^~~~
0_0_39395685_32250.cpp:7:1: error: 'cout' does not name a type
    7 | cout << std::fixed << std::setprecision(2) << sqrt(pow(a1 - a2, 2) + pow(b1 - b2, 2)) << endl;
      | ^~~~