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<?php
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function arabic_rome($num)
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{
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$c='IVXLCDM';
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for($x=5,$y=$result='';$num;$y++,$x^=7)
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for($o=$num%$x,$num=$num/$x^0;$o--;$result=$c[$o>2?$y+$num-($num=-2)+$o=1:$y].$result);
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return $result;
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}
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print_r(arabic_rome(101)."\n");
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?>
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