Compilare: user.cpp: In function ‘void rezolva()’: user.cpp:84:26: warning: ‘sol_y’ may be used uninitialized in this function [-Wmaybe-uninitialized] g << sol_x << ' ' << sol_y << ' ' << sol << '\n'; ^ user.cpp:84:10: warning: ‘sol_x’ may be used uninitialized in this function [-Wmaybe-uninitialized] g << sol_x << ' ' << sol_y << ' ' << sol << '\n'; ^