Eroare de compilare: user.cpp: In function ‘double Dst(Point, Point)’: user.cpp:30:40: error: ‘sqrt’ was not declared in this scope return sqrt(difx * difx + dify * dify); ^ user.cpp: In function ‘int main()’: user.cpp:51:3: error: ‘out’ was not declared in this scope out << setprecision(6) << fixed << 0.0 << '\n'; ^ user.cpp:51:24: error: ‘setprecision’ was not declared in this scope out << setprecision(6) << fixed << 0.0 << '\n'; ^ user.cpp:68:34: error: ‘sort’ was not declared in this scope sort(graph + 1, graph + 1 + m); ^ user.cpp:70:15: error: unable to find numeric literal operator ‘operator"" d’ var sum = 0d; ^ user.cpp:87:11: error: ‘ncrr’ was not declared in this scope ++ncrr; ^ user.cpp:92:9: error: ‘ncrr’ was not declared in this scope m = ncrr; ^ user.cpp:53:14: warning: unused variable ‘crr’ [-Wunused-variable] int m = 0, crr = 0; ^ user.cpp: In function ‘double Dst(Point, Point)’: user.cpp:31:1: warning: control reaches end of non-void function [-Wreturn-type] } ^