Initial commit

Add boilerplate and day1 solution

.envrc

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+use nix

.gitignore

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+/.direnv/

day1/run.py

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+from typing import List, Dict
+
+EXAMPLE = """
+3   4
+4   3
+2   5
+1   3
+3   9
+3   3
+"""
+
+
+class SplitLists:
+    def __init__(self, input: str):
+        self.list1, self.list2 = zip(*[val.split() for val in input.split("\n") if val])
+
+    def __str__(self) -> str:
+        part1 = 0
+        for val in self.distances():
+            part1 += val
+        part2 = 0
+        for val, occ in zip(self.list1, self.occurances()):
+            part2 += int(val) * occ
+        return f"Part1: {part1}\nPart2: {part2}"
+
+    def distances(self) -> List[int]:
+        return [
+            abs(int(val1) - int(val2))
+            for val1, val2 in zip(sorted(self.list1), sorted(self.list2))
+        ]
+
+    def occurances(self) -> List[int]:
+        return [self.list2.count(key) for key in self.list1]
+
+
+def main(*args, **kwargs) -> None:
+    example = SplitLists(input=EXAMPLE)
+    print(example)
+    with open("input.txt", "r") as f:
+        print(SplitLists(input=f.read()))
+
+
+if __name__ == "__main__":
+    main()

flake.lock

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+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1733064805,
+        "narHash": "sha256-7NbtSLfZO0q7MXPl5hzA0sbVJt6pWxxtGWbaVUDDmjs=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "31d66ae40417bb13765b0ad75dd200400e98de84",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+  outputs =
+    { self, nixpkgs }:
+    let
+      supportedSystems = [
+        "x86_64-linux"
+        "x86_64-darwin"
+        "aarch64-linux"
+        "aarch64-darwin"
+      ];
+      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+      pkgs = forAllSystems (system: nixpkgs.legacyPackages.${system});
+    in
+    {
+      devShells = forAllSystems (
+        system:
+        let
+          python = pkgs.${system}.python3;
+          pythonEnv = python.withPackages (
+            ps: with ps; [
+              isort
+              mypy
+            ]
+          );
+        in
+        {
+          default = pkgs.${system}.mkShellNoCC { packages = [ pythonEnv ]; };
+        }
+      );
+    };
+}