#!/usr/bin/perl -w

#Initialization
@vals = reverse "a".."daaaa";

#O(NlogN)
my $max = pop @{[ sort @vals ]};

#O(N)
#my $max = $vals[0];
#$max = ( $_ gt $max ) ? $_ : $max foreach @vals;

$e=@vals;
print "elements=$e max=$max\n";