# Example use: @result = sieve(60); sub sieve { my$m=pop;my@l=(0..$m);for(my$x=0;$x<$m;$x++){next if($l[$x]<2);my $i=2;my$n=0;for(;$n<$m;$i++){$n=$x*$i;next if($n>$m);$l[$ n]=0}}@l=grep{$l[$_]}(0..$m) } #### # Example of use: sieve(60); sub sieve { my$m=pop;@_=(2..$m);for my $c(@_){my%b=map{$_,1}grep{($_%$c)==0}($c+1..$m);@_=grep{!$b{$_}}@_}die"@_\n" } #### # Example of use: @result = sieve(60); sub sieve{ L:for(2..pop){for my $b(2..$_-1){next L if($_%$b<1)}push@_,$_}@_ }