Re: Sliding window

[JavaFan]

my %hash = (a=>2, b=>1, c=>5, d=>3, e=>4);
my $input = "abcdaeec";
my @input = split //, $input;

for my $w (2, 3) {
    for (my $i = $w; $i < @input; $i++) {
        printf "%s+%s = %d+%d = %d\n",
               $input[$i-$w], $input[$i],
               $hash{$input[$i-$w]}, $hash{$input[$i]},
               $hash{$input[$i-$w]} + $hash{$input[$i]};
    }
}

__END__
a+c = 2+5 = 7
b+d = 1+3 = 4
c+a = 5+2 = 7
d+e = 3+4 = 7
a+e = 2+4 = 6
e+c = 4+5 = 9
a+d = 2+3 = 5
b+a = 1+2 = 3
c+e = 5+4 = 9
d+e = 3+4 = 7
a+c = 2+5 = 7