The output of which code will be zero:

a$.$

main $()$

$\{$ int $x=10$;

while $(x<mn\; id="EditorElement\_3480696">0</mn><mi\; id="EditorElement\_3480698">)</mi>$

$x++$;

cout $x=9(x>0)x++x=9(x>0)x--$;

$$;

$$;