Find all sub sets of size k from given set

Question

Duy Nguyen · Accepted Answer

> $i) & 1){
			$str .= $set[$i] . ' ';
		}
	}
	$str .= ']' . "
";
	echo $str;	
}

function printAllSubsets($set){
	$len = pow(2, count($set));
	for($i = 0; $i

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