1
NR>1{i=0;while rshift($0,++i);print 2^i}

1
NR>1{while(rshift($0,++$2));print 2^$2}

1
NR>1{while(rshift($0,++$2));$0=2^$2}

1
NR>1{while(rshift($0,++$2));print 2^$2}

1
NR>1{while(rshift($0,++$2));print 2^$2/2}

1
{i=-1;while(rshift($0,++i)>0);print 2^i}

1
{while(rshift($0,$2)>0)++$2;print 2^$2}

1
{while($0/=2>0)++$2;print 2^$2}

1
{while(rshift($0,$2))++$2;print 2^$2}

1
{while(rshift($0,$2))++$2;print 2*2^$2}

1
{while(rshift($0,$2))++$2;print lshift(1,$2)}

1
{while(rshift($0,$2))++$2;print lshift(1,$2)}

1
{while(rshift($0,$2++));print lshift(1,$2)}

1
{while(rshift($0,++$2));print lshift(1,$2)}

1
{n=0;while(rshift($0,++n));print lshift(1,n)}

1
{n=0;while(rshift($0,++n)>1);print lshift(1,++n)}

1
{while(rshift($0,++n)>1);print lshift(1,++n)}

1
2
$0+=and($0,$0-1)?($0+and($0,$0-1)):$0
END{for(i=0; i<100; ++i) print i " " and(i,i-1);}

1
2
$0+=and($0,$0-1)?($0+and($0,$0-1)):$0
END{for(i=0; i<100; ++i) print i and(i,i-1);}

1
$0+=and($0,$0-1)?($0+and($0,$0-1)):$0

1
$0+=and($0,$0-1)?($0+and($0,$0-1))/2:$0

1
$0+=and($0,$0-1)?($0-and($0,$0-1))/2:$0

1
$0+=and($0,$0-1)?int(($0-and($0,$0-1))/2)*2:$0

1
$0+=and($0,$0-1)?($0-and($0,$0-1))/2:$0

1
$0+=and($0,$0-1)?and($0,$0-1)/2:$0

1
$0+=and($0,$0-1)

1
$0=$0==0?1:and($0,$0-1)?int($0^.5+1)*int($0^.5+1):$0*2

1
$0=$0==0?1:and($0,$0-1)?2^int($0^.5+1):$0*2

1
$0=$0==0?1:and($0,$0-1)?2^int($0^.5+1):$0*2

1
$0=and($0,$0-1)?2^int($0^.5+1):$0*2