{
 "nbformat": 4,
 "nbformat_minor": 2,
 "metadata": {
  "language_info": {
   "name": "python",
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "version": "3.7.2"
  },
  "orig_nbformat": 2,
  "file_extension": ".py",
  "mimetype": "text/x-python",
  "name": "python",
  "npconvert_exporter": "python",
  "pygments_lexer": "ipython3",
  "version": 3
 },
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [],
   "source": [
    "with open(\"C:\\Coding\\Advent Of Code 2019\\Day 2\\input.txt\") as input:\n",
    "    main_sequence = list(map(int, input.read().split(\",\")))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "metadata": {},
   "outputs": [],
   "source": [
    "def intcode(seq, offset=0):\n",
    "    opcode = seq[0 + offset]\n",
    "    if opcode == 99:\n",
    "        return seq\n",
    "    vals = [seq[seq[1 + offset]], seq[seq[2 + offset]]]\n",
    "    index = seq[3 + offset]\n",
    "    if index == 0:\n",
    "        print(offset)\n",
    "\n",
    "    if opcode == 1:\n",
    "        seq[index] = sum(vals)\n",
    "        return intcode(seq, offset + 4)\n",
    "    elif opcode == 2:\n",
    "        seq[index] = vals[0] * vals[1]\n",
    "        return intcode(seq, offset + 4)\n",
    "\n",
    "    else:\n",
    "        # raise \"invalid opcode\"\n",
    "        return seq"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 39,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": "172\n"
    }
   ],
   "source": [
    "for i in range(100):\n",
    "    for j in range(100):\n",
    "        sequence = main_sequence\n",
    "        sequence[1] = i\n",
    "        sequence[2] = j\n",
    "        if intcode(sequence)[0] == 19690720:\n",
    "            print(i,j)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": "[1, 171, 13, 0, 99]"
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "sequence[172:177]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ]
}