diff options
Diffstat (limited to '2019/day2/intcode.pl')
| -rw-r--r-- | 2019/day2/intcode.pl | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/2019/day2/intcode.pl b/2019/day2/intcode.pl new file mode 100644 index 0000000..984784a --- /dev/null +++ b/2019/day2/intcode.pl | |||
| @@ -0,0 +1,57 @@ | |||
| 1 | use strict; | ||
| 2 | use warnings; | ||
| 3 | use Data::Dumper; | ||
| 4 | # use Smart::Comments; | ||
| 5 | |||
| 6 | my $inputline = <STDIN>; | ||
| 7 | chomp $inputline; | ||
| 8 | my @memory = split /,/, $inputline; | ||
| 9 | |||
| 10 | @memory = map {int $_} @memory; | ||
| 11 | |||
| 12 | my $op_code_pos = 0; | ||
| 13 | my $pos_1 = 1; | ||
| 14 | my $pos_2 = 2; | ||
| 15 | my $loc_pos = 3; | ||
| 16 | my $pc = 4; | ||
| 17 | |||
| 18 | my @actions = (sub {print "noop"}, sub {return $_[0] + $_[1]}, sub {return $_[0] * $_[1]}); | ||
| 19 | |||
| 20 | my $output = 0; | ||
| 21 | |||
| 22 | my $one_inc = 0; | ||
| 23 | my $two_inc = 0; | ||
| 24 | my $turn = 0; | ||
| 25 | my @mem = @memory; | ||
| 26 | |||
| 27 | foreach my $x (0..99) { | ||
| 28 | foreach my $y (0..99) { | ||
| 29 | |||
| 30 | @mem = @memory; | ||
| 31 | $mem[1] = $x; | ||
| 32 | $mem[2] = $y; | ||
| 33 | |||
| 34 | for (my $add = 0; $add < scalar @mem; $add += $pc) { | ||
| 35 | |||
| 36 | my $op_code = $mem[$add + $op_code_pos]; | ||
| 37 | last if ($op_code == 99); | ||
| 38 | |||
| 39 | my $op_1 = $mem[$mem[$add + $pos_1]]; | ||
| 40 | my $op_2 = $mem[$mem[$add + $pos_2]]; | ||
| 41 | my $loc = $mem[$add + $loc_pos]; | ||
| 42 | my $res = $actions[$op_code]->($op_1, $op_2); | ||
| 43 | |||
| 44 | $mem[$loc] = $res; | ||
| 45 | } | ||
| 46 | $output = $mem[0]; | ||
| 47 | ### $output | ||
| 48 | exit if $output == 19690720; | ||
| 49 | } | ||
| 50 | } | ||
| 51 | |||
| 52 | # print Dumper \@mem; | ||
| 53 | # print join ',', @mem; | ||
| 54 | END { | ||
| 55 | print STDERR "Output: >$mem[0]<\nFor mem[1] = $mem[1] and mem[2] = $mem[2]\n"; | ||
| 56 | print 100 * $mem[1] + $mem[2]; | ||
| 57 | } | ||
