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The output of which code will be zero:

a$.$

main $()$

$\{$ int $x=10$;

while $(x<mn\; id="EditorElement\_2475565">0</mn><mi\; id="EditorElement\_2475567">)</mi>$

$x++$;

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

$$;

$$;