Here's mine:
#!/usr/local/bin/perl
@a=split(//,"1"); #easier to make test strings this way. :)
for (1..10) {
print "@a\n";
@b=();
$a=join("",@a);
while ( $a =~ /((.)\2*/cg ) {
push (@b, (length $1, $2));
}
@a=@b
}
500 iterations of this took 1.15 seconds. 10 iterations running 1..35 took 18.73 seconds. For reference, I'm running this on an Ultrasparc-5.
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