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Add 2019 Day 1 Solution (#11)
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‎2019/01/input.txt‎

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‎2019/01/solution.ipynb‎

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{
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"cells": [
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{
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"cell_type": "markdown",
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"source": [
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"# Advent of Code 2019 - Day 1\n",
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"\n",
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"## Part 1"
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],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"source": [
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"total_fuel = 0\n",
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"with open('input.txt', 'r') as f:\n",
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" for mass in [int(i) for i in f]:\n",
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" module_fuel = int(mass / 3) - 2\n",
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" total_fuel = total_fuel + module_fuel\n",
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" \n",
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"print(f'Part 1 fuel needed: {total_fuel}')"
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],
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"outputs": [
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{
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"output_type": "stream",
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"name": "stdout",
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"text": [
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"Part 1 fuel needed: 3275518\n"
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]
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}
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],
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"execution_count": 1,
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"metadata": {
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"collapsed": false,
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"outputHidden": false,
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"inputHidden": false
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}
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},
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{
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"cell_type": "markdown",
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"source": [
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"## Part 2"
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],
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"metadata": {}
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},
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{
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"cell_type": "code",
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"source": [
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"def get_fuel_reqs(mass):\n",
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" fuel = int(mass / 3) - 2\n",
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" \n",
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" if fuel <= 0:\n",
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" return 0\n",
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" else:\n",
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" return fuel + get_fuel_reqs(fuel)\n",
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" \n",
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"print(f'Test data: {get_fuel_reqs(1969)}')"
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],
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"outputs": [
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{
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"output_type": "stream",
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"name": "stdout",
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"text": [
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"Test data: 966\n"
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]
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}
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],
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"execution_count": 2,
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"metadata": {
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"collapsed": false,
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"outputHidden": false,
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"inputHidden": false
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}
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},
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{
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"cell_type": "code",
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"source": [
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"total_fuel = 0\n",
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"with open('input.txt', 'r') as f:\n",
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" for mass in [int(i) for i in f]:\n",
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" total_fuel = total_fuel + get_fuel_reqs(mass)\n",
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" \n",
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"print(f'Part 2 fuel needed: {total_fuel}')"
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],
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"outputs": [
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{
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"output_type": "stream",
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"name": "stdout",
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"text": [
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"Part 2 fuel needed: 4910404\n"
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]
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}
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],
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"execution_count": 3,
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"metadata": {
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"collapsed": false,
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"outputHidden": false,
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"inputHidden": false
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}
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}
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],
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"metadata": {
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"kernel_info": {
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"name": "advent-of-code"
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},
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"language_info": {
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"name": "python",
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"version": "3.8.0",
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"mimetype": "text/x-python",
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"pygments_lexer": "ipython3",
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"nbconvert_exporter": "python",
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"file_extension": ".py"
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},
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"kernelspec": {
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"name": "advent-of-code",
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"language": "python",
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"display_name": "advent-of-code"
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},
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"nteract": {
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"version": "0.15.0"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 4
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}

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