Day 3

day3/part1.ts

@@ -0,0 +1,8 @@
+export async function solve() {
+    const input = await Deno.readTextFile("./input.txt");
+    let sum = 0;
+    for (const match of input.matchAll(/mul\((\d{1,3}),(\d{1,3})\)/g)) {
+        sum += +match[1] * +match[2];
+    }
+    return sum
+}

day3/part2.ts

@@ -0,0 +1,10 @@
+export async function solve() {
+    const input = await Deno.readTextFile("./input.txt");
+    let sum = 0;
+    for (const part of input.split("do()").slice(1).map(e => e.split("don't()")[0])) {
+        for (const match of part.matchAll(/mul\((\d{1,3}),(\d{1,3})\)/g)) {
+            sum += +match[1] * +match[2];
+        }
+    }
+    return sum
+}

flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1733015953,
+        "narHash": "sha256-t4BBVpwG9B4hLgc6GUBuj3cjU7lP/PJfpTHuSqE+crk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ac35b104800bff9028425fec3b6e8a41de2bbfff",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,16 @@
+{
+    description = "Ty's advent of code 2024 solutions";
+
+    inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    inputs.flake-utils.url = "github:numtide/flake-utils";
+
+    outputs = { nixpkgs, flake-utils, ... }:
+        flake-utils.lib.eachDefaultSystem (system: let pkgs = nixpkgs.legacyPackages.${system}; in {
+            devShells.default = pkgs.mkShellNoCC {
+                packages = with pkgs; [
+                    deno
+                    kotlin
+                ];
+            };
+        });
+}