mscha

#!/usr/bin/env raku
use v6.d;
$*OUT.out-buffer = False;   # Autoflush

# Advent of Code 2024 day 7 -- https://adventofcode.com/2024/day/7

sub infix:<∥>(Int $i, Int $j --> Int)
{
    # Slightly faster than ($i~$j).Int
    return 10*$i + $j if $j < 10;

mscha

#!/usr/bin/env raku
use v6.d;
$*OUT.out-buffer = False;   # Autoflush

# Advent of Code 2024 day 7 -- https://adventofcode.com/2024/day/7

sub infix:<∥>(Int $i, Int $j --> Int) { ($i ~ $j).Int }

sub valid-equation($equation)
{

mscha

#!/usr/bin/env raku
use v6.d;
$*OUT.out-buffer = False;   # Autoflush

# Advent of Code 2024 day 6 -- https://adventofcode.com/2024/day/6

enum Direction <north east south west>;
sub left(Direction $d --> Direction) { Direction(($d - 1) % 4) }
sub right(Direction $d --> Direction) { Direction(($d + 1) % 4) }

mscha

#!/usr/bin/env raku
use v6.d;
$*OUT.out-buffer = False;   # Autoflush

# Advent of Code 2024 day 5 -- https://adventofcode.com/2024/day/5

class Printer
{
    has $.input;

mscha

#!/usr/bin/env raku
use v6.d;
$*OUT.out-buffer = False;   # Autoflush

# Advent of Code 2024 day 4 -- https://adventofcode.com/2024/day/4

class WordFinder
{
    has @.grid;

mscha

#!/usr/bin/env raku
use v6.d;

class SnakesAndLadders
{
    enum OvershootRules <StepBack StandStill>;

    #constant $START-POS = 1;
    #constant $WIN-POS = 64;
    #constant %SNAKES = 23=>4, 30=>10, 42=>9, 49=>15, 54=>20, 61=>46;