Basic structure; day 1, 2

2024-12-03 11:21:22 +00:00
commit b24b64a22c
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+use flake
+dotenv_if_exists
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+/.env
+/.precomp/
+/.direnv/
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+default:
+    just --list
+
+_curl day url *args:
+    curl --cookie "session=$AOC_SESSION" --user-agent "AOC curl scripts by bluepython508" {{args}} https://adventofcode.com/2024/day/{{trim_start_match(day, '0')}}/{{url}}
+
+day := `date +'%d'`
+new day=day:
+    #!/usr/bin/env bash
+    set -euxo pipefail
+    mkdir day-{{day}}/
+    just _curl {{day}} input -o day-{{day}}/input
+    cat > day-{{day}}/main.raku <<'MAIN'
+    use lib $*PROGRAM.parent.parent;
+    use Lib;
+
+    grammar Solution does AOC {
+      token TOP { }
+
+      method part1(::?CLASS:U: $v) {
+      }
+
+      method part2(::?CLASS:U: $v) {
+      }
+    }
+
+
+    Solution.main()
+    MAIN
+
+run day=day:
+    raku day-{{day}}/main.raku day-{{day}}/input
+
+test day=day:
+    #!/usr/bin/env bash
+    for f in day-{{day}}/example-*.in; do
+        raku day-{{day}}/main.raku $f
+    done
+
+watch day=day:
+    watchexec just test {{day}}
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+role AOC {
+  method part1(::?CLASS:U: $v) { ... }
+
+  method part2(::?CLASS:U: $v) { ... }
+  
+  method main(::?CLASS:U:) {
+    my \parsed = self.parse(slurp(@*ARGS[0])).made;
+    say self.part1(parsed);
+    say self.part2(parsed);
+   }
+}
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@@ -0,0 +1,21 @@
+use lib $*PROGRAM.parent.parent;
+use Lib;
+
+grammar Solution does AOC {
+  token TOP { (^^ <line> \n)+ { make ([Z] $/[0]>><line>>>.made).List; }}
+  token line { <num> <.ws> <num> { make $<num>>>.made }}
+  token num { \d+ { make val($/.Str) }}
+
+  method part1(::?CLASS:U: (@l, @r)) {
+    [+] (@l.sort <<->> @r.sort)>>.abs
+  }
+
+  method part2(::?CLASS:U: (@l, @r)) {
+    my $bag = @r.Bag;
+    [+] @l.map(-> $l { $l * $bag{$l} })
+  }
+  
+}
+
+
+Solution.main()
@@ -0,0 +1,6 @@
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@@ -0,0 +1,24 @@
+use lib $*PROGRAM.parent.parent;
+use Lib;
+
+sub safe($report) {
+  my $diff = $report.rotor(2=>-1).map({ $_[1] - $_[0] }).List;
+  so (1 <= $diff.all <= 3 or -3 <= $diff.all <= -1)
+}
+
+grammar Solution does AOC {
+  token TOP { (^^ <report> \n)+ { make $/[0]>><report>>>.made; } }
+  token report { (<num> \h*)+ { make $/[0]>><num>>>.made;} }
+  token num { \d+ { make val($/.Str) } }
+
+  method part1(::?CLASS:U: $v) {
+    $v.map(&safe).Bag{True};
+  }
+
+  method part2(::?CLASS:U: $v) {
+    $v.map({so safe(.combinations(.elems - 1).any)}).Bag{True}
+  }
+}
+
+
+Solution.main()
@@ -0,0 +1,39 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1730200266,
+        "narHash": "sha256-l253w0XMT8nWHGXuXqyiIC/bMvh1VRszGXgdpQlfhvU=",
+        "path": "/nix/store/m68ikm8045fj7ys7qvgr608z9l70hh1k-source",
+        "rev": "807e9154dcb16384b1b765ebe9cd2bba2ac287fd",
+        "type": "path"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "systems": "systems"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "id": "systems",
+        "type": "indirect"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
@@ -0,0 +1,11 @@
+{
+  outputs = { self, nixpkgs, systems }: let
+    eachSystem = f: nixpkgs.lib.genAttrs (import systems) (system: f { inherit system; pkgs = nixpkgs.legacyPackages.${system}; });
+  in {
+    devShells = eachSystem ({pkgs, ...}: {
+      default = pkgs.mkShell {
+        packages = [pkgs.rakudo pkgs.just pkgs.watchexec];
+      };
+    });
+  };
+}