day 1

2019/1/README.md

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+# 1
+
+Description
+
+<details>
+  <summary>Solutions</summary>
+  <ol>
+    <li>3406527</li>
+    <li>5106932</li>
+  </ol>
+</details>

2019/1/python/main.py

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+#!/usr/bin/env python
+
+from os.path import join, dirname
+
+# Day 1
+
+# Common
+
+
+def read_input(filename):
+    data = join(dirname(__file__), '..', filename)
+    with open(data) as f:
+        return f.read().strip()
+
+
+test = read_input('test.txt')
+data = read_input('input.txt')
+
+# Running
+
+# Part 1
+
+
+def get_fuel_by_mass(mass: int):
+    return mass // 3 - 2
+
+
+total = sum([get_fuel_by_mass(int(x)) for x in data.splitlines()])
+print(total)
+
+
+# Part 2
+
+def get_fuel_by_mass_rec(mass: int):
+    if mass <= 6:
+        return 0
+    fuel = get_fuel_by_mass(mass)
+    return fuel + get_fuel_by_mass_rec(fuel)
+
+
+total = sum([get_fuel_by_mass_rec(int(x)) for x in data.splitlines()])
+print(total)