Tidy advent-of-code directory
TL;DR: - Add README.md - Delete *.nix sketches - Delete *.pyc and *.ex python artifacts
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advent-of-code/README.md
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advent-of-code/README.md
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# 2019 Advent of Code
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Here are my attempts at the 2019 Advent of Code challenge before my dedication
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to the effort plummeted.
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with import <nixpkgs> {};
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with python35Packages;
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buildPythonPackage {
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name = "wpcarro";
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src = ./day_5.py;
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propagatedBuildInputs = [ pytest numpy ];
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}
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defmodule Interpretter do
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def interpret_param({mode, x}, xs) do
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case mode do
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:positional -> Enum.at(xs, x)
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:immediate -> x
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end
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end
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# Perhaps I can model the intepretter after Forth and make it a stack-based
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# interpretter with an emphasis on debugability, introspection.
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def interpret(i, xs) do
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stack = []
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op = Enum.at(xs, i)
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# map instructions into an intermediate representation (i.e. IR) where the
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# opcodes are mapped into atoms and the arguments are mapped into references
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# or literals.
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instructions =
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%{'01' => :add,
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'02' => :multiply,
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'03' => :input,
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'04' => :output,
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'05' => :jump_if_true,
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'06' => :jump_if_false,
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'07' => :less_than,
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'08' => :equal_to,
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'99' => :return}
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case xs do
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[:add, a, b, {:positional, out} | rest] ->
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a = interpret_param(a, xs)
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b = interpret_param(b, xs)
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Interpretter.interpret(i + 3, List.insert_at(xs, out, a + b))
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[:multiply, a, b, {:positional, out} | rest] ->
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a = interpret_param(a, xs)
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b = interpret_param(b, xs)
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Interpretter.interpret(i + 3, List.insert_at(xs, out, a * b))
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[:input, a | rest] -> nil
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[:output, a | rest] -> nil
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[:jump_if_true, a, b | rest] -> nil
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[:jump_if_false, a, b | rest] -> nil
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[:less_than, a, b, out | rest] -> nil
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[:equal_to, a, b, out | rest] -> nil
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[:return | _rest] -> nil
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end
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end
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end
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{ pkgs ? import <nixpkgs> {}, ... }:
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{ name, deps, src }:
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let
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inherit (pkgs) pythonPackages writeTextFile;
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inherit (builtins) toFile;
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in writeTextFile {
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inherit name;
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executable = true;
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destination = "/bin/${name}";
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text = ''
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#!/bin/sh
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${pkgs.python3}/bin/python3 ${src}
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'';
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}
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