/
day1.exs
128 lines (123 loc) · 1.41 KB
/
day1.exs
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input = [
89122,
141123,
91549,
66506,
53504,
56517,
77050,
92298,
84853,
141828,
86739,
126125,
82793,
113761,
68961,
132576,
61718,
64498,
110415,
134867,
102449,
107364,
88491,
120584,
52192,
130494,
121583,
132166,
111339,
68715,
104966,
117227,
58921,
83909,
70626,
141637,
95127,
72029,
136121,
136915,
74312,
54863,
53547,
149493,
78528,
132289,
148754,
133905,
135357,
58483,
62214,
124684,
118590,
107087,
95768,
86835,
122277,
126183,
108546,
75212,
62280,
76039,
135743,
86133,
111613,
139477,
65930,
106225,
101531,
96501,
66844,
114158,
137091,
138143,
102083,
69857,
59372,
137605,
108135,
96365,
94851,
104414,
74194,
74188,
131888,
75910,
78279,
93285,
53597,
82705,
119360,
149274,
92510,
95490,
54087,
97695,
94753,
80493,
101173,
51906
]
fake = [100756]
defmodule ToTheStars do
def calculate_fuel_cost(i) do
Integer.floor_div(i, 3) - 2
end
def more_fuel(start_mass, total_fuel) do
IO.inspect(start_mass)
IO.inspect(total_fuel)
case ToTheStars.calculate_fuel_cost(start_mass) do
mass when mass <= 0 -> total_fuel
mass -> ToTheStars.more_fuel(mass, total_fuel + mass)
end
end
end
fuels = Enum.map(input,
fn
i ->
ToTheStars.more_fuel(i, 0)
end
)
IO.inspect Enum.sum(fuels)