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git-subtree-dir: universe
git-subtree-mainline: 15110e6de9
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William Carroll 2020-01-29 14:29:25 +00:00
commit fb9380ba26
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8
universe/advent-of-code/aoc2019.nix Normal file
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with import <nixpkgs> {};
with python35Packages;
buildPythonPackage {
name = "wpcarro";
src = ./day_5.py;
propagatedBuildInputs = [ pytest numpy ];
}

119
universe/advent-of-code/day_1.py Normal file
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from math import floor
xs = [
102473,
84495,
98490,
68860,
62204,
72810,
65185,
145951,
77892,
108861,
70764,
67286,
74002,
80773,
52442,
131505,
107162,
126993,
59784,
64231,
91564,
68585,
98735,
69020,
77332,
60445,
65826,
111506,
95431,
146687,
135119,
86804,
95915,
85434,
111303,
148127,
132921,
136213,
89004,
143137,
144853,
143017,
104386,
100612,
54760,
63813,
144191,
84481,
69718,
84936,
98621,
124993,
92736,
60369,
137284,
101902,
112726,
51784,
126496,
85005,
101661,
137278,
136637,
90340,
100209,
53683,
50222,
132060,
98797,
139054,
135638,
100632,
137849,
125333,
103981,
76954,
134352,
74229,
93402,
62552,
50286,
57066,
98439,
120708,
117827,
107884,
72837,
148663,
125645,
61460,
120555,
142473,
106668,
58612,
58576,
143366,
90058,
121087,
89546,
126161,
]
def fuel_for_mass(x):
"""Return the amount of fuel (in mass) required for a mass of X. The total
amount of fuel includes the amount of fuel required for the fuel itself,
since fuel also has a mass weights."""
mass_fuel = floor(x / 3) - 2
if mass_fuel < 0:
return 0
else:
fuel_fuel = fuel_for_mass(mass_fuel)
return mass_fuel + fuel_fuel
print(sum(fuel_for_mass(x) for x in xs))

32
universe/advent-of-code/day_2.py Normal file
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from itertools import product
x = [
1, 0, 0, 3, 1, 1, 2, 3, 1, 3, 4, 3, 1, 5, 0, 3, 2, 1, 10, 19, 1, 6, 19, 23,
2, 23, 6, 27, 2, 6, 27, 31, 2, 13, 31, 35, 1, 10, 35, 39, 2, 39, 13, 43, 1,
43, 13, 47, 1, 6, 47, 51, 1, 10, 51, 55, 2, 55, 6, 59, 1, 5, 59, 63, 2, 9,
63, 67, 1, 6, 67, 71, 2, 9, 71, 75, 1, 6, 75, 79, 2, 79, 13, 83, 1, 83, 10,
87, 1, 13, 87, 91, 1, 91, 10, 95, 2, 9, 95, 99, 1, 5, 99, 103, 2, 10, 103,
107, 1, 107, 2, 111, 1, 111, 5, 0, 99, 2, 14, 0, 0
]
def interpret(i, x):
op, a, b, out = x[i + 0], x[i + 1], x[i + 2], x[i + 3]
if op == 1:
x[out] = x[a] + x[b]
return interpret(i + 4, x)
elif op == 2:
x[out] = x[a] * x[b]
return interpret(i + 4, x)
elif op == 99:
return x
else:
raise Exception('Unsupported opcode: {}. {}, {}'.format(op, a, b))
for a, b in product(range(100), range(100)):
y = x[:]
y[1] = a
y[2] = b
if interpret(0, y)[0] == 19690720:
print(100 * a + b)

137
universe/advent-of-code/day_3.py Normal file
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from math import floor
from heapq import heappush, heappop
xs = [
"R1009", "U993", "L383", "D725", "R163", "D312", "R339", "U650", "R558",
"U384", "R329", "D61", "L172", "D555", "R160", "D972", "L550", "D801",
"L965", "U818", "L123", "D530", "R176", "D353", "L25", "U694", "L339",
"U600", "L681", "D37", "R149", "D742", "R762", "U869", "R826", "U300",
"L949", "U978", "L303", "U361", "R136", "D343", "L909", "U551", "R745",
"U913", "L566", "D292", "R820", "U886", "R205", "D431", "L93", "D71",
"R577", "U872", "L705", "U510", "L698", "U963", "R607", "U527", "L669",
"D543", "R690", "U954", "L929", "D218", "R490", "U500", "L589", "D332",
"R949", "D538", "R696", "U659", "L188", "U468", "L939", "U833", "L445",
"D430", "R78", "D303", "R130", "D649", "R849", "D712", "L511", "U745",
"R51", "U973", "R799", "U829", "R605", "D771", "L837", "U204", "L414",
"D427", "R538", "U116", "R540", "D168", "R493", "U900", "L679", "U431",
"L521", "D500", "L428", "U332", "L954", "U717", "L853", "D339", "L88",
"U807", "L607", "D496", "L163", "U468", "L25", "U267", "L759", "D898",
"L591", "U445", "L469", "U531", "R596", "D486", "L728", "D677", "R350",
"D429", "R39", "U568", "R92", "D875", "L835", "D841", "R877", "U178",
"L221", "U88", "R592", "U692", "R455", "U693", "L419", "U90", "R609",
"U672", "L293", "U168", "R175", "D456", "R319", "D570", "R504", "D165",
"L232", "D624", "L604", "D68", "R807", "D59", "R320", "D281", "L371",
"U956", "L788", "D897", "L231", "D829", "R287", "D798", "L443", "U194",
"R513", "D925", "L232", "U225", "L919", "U563", "R448", "D889", "R661",
"U852", "L950", "D558", "L269", "U186", "L625", "U673", "L995", "U732",
"R435", "U849", "L413", "D690", "L158", "D234", "R361", "D458", "L271",
"U90", "L781", "U754", "R256", "U162", "L842", "U927", "L144", "D62",
"R928", "D238", "R473", "U97", "L745", "U303", "L487", "D349", "L520",
"D31", "L825", "U385", "L133", "D948", "L39", "U62", "R801", "D664",
"L333", "U134", "R692", "U385", "L658", "U202", "L279", "D374", "R489",
"D686", "L182", "U222", "R733", "U177", "R94", "D603", "L376", "U901",
"R216", "D851", "L155", "D214", "L460", "U758", "R121", "D746", "L180",
"U175", "L943", "U146", "L166", "D251", "L238", "U168", "L642", "D341",
"R281", "U182", "R539", "D416", "R553", "D67", "L748", "U272", "R257",
"D869", "L340", "U180", "R791", "U138", "L755", "D976", "R731", "U713",
"R602", "D284", "L258", "U176", "R509", "U46", "R935", "U576", "R96",
"U89", "L913", "U703", "R833"
]
ys = [
"L1006", "D998", "R94", "D841", "R911", "D381", "R532", "U836", "L299",
"U237", "R781", "D597", "L399", "D800", "L775", "D405", "L485", "U636",
"R589", "D942", "L878", "D779", "L751", "U711", "L973", "U410", "L151",
"U15", "L685", "U417", "L106", "D648", "L105", "D461", "R448", "D743",
"L589", "D430", "R883", "U37", "R155", "U350", "L421", "U23", "R337",
"U816", "R384", "D671", "R615", "D410", "L910", "U914", "L579", "U385",
"R916", "U13", "R268", "D519", "R289", "U410", "L389", "D885", "L894",
"U734", "L474", "U707", "L72", "U155", "L237", "U760", "L127", "U806",
"L15", "U381", "L557", "D727", "L569", "U320", "L985", "D452", "L8",
"D884", "R356", "U732", "L672", "D458", "L485", "U402", "L238", "D30",
"R644", "U125", "R753", "U183", "L773", "U487", "R849", "U210", "L164",
"D808", "L595", "D668", "L340", "U785", "R313", "D72", "L76", "D263",
"R689", "U604", "R471", "U688", "R462", "D915", "R106", "D335", "R869",
"U499", "R190", "D916", "R468", "D882", "R56", "D858", "L143", "D741",
"L386", "U856", "R50", "U853", "R151", "D114", "L773", "U854", "L290",
"D344", "L23", "U796", "L531", "D932", "R314", "U960", "R643", "D303",
"L661", "D493", "L82", "D491", "L722", "U848", "L686", "U4", "L985",
"D509", "L135", "D452", "R500", "U105", "L326", "D101", "R222", "D944",
"L645", "D362", "L628", "U305", "L965", "U356", "L358", "D137", "R787",
"U728", "R967", "U404", "R18", "D928", "L695", "D965", "R281", "D597",
"L791", "U731", "R746", "U163", "L780", "U41", "L255", "U81", "L530",
"D964", "R921", "D297", "R475", "U663", "L226", "U623", "L984", "U943",
"L143", "U201", "R926", "U572", "R343", "U839", "R764", "U751", "R128",
"U939", "R987", "D108", "R474", "U599", "R412", "D248", "R125", "U797",
"L91", "D761", "L840", "U290", "L281", "U779", "R650", "D797", "R185",
"D320", "L25", "U378", "L696", "U332", "R75", "D620", "L213", "D667",
"R558", "U267", "L846", "U306", "R939", "D220", "R311", "U827", "R345",
"U534", "R56", "D679", "R48", "D845", "R898", "U8", "R862", "D960", "R753",
"U319", "L886", "D795", "R805", "D265", "R876", "U729", "R894", "D368",
"R858", "U744", "R506", "D327", "L903", "U919", "L721", "U507", "L463",
"U753", "R775", "D719", "R315", "U128", "R17", "D376", "R999", "D386",
"L259", "U181", "L162", "U605", "L265", "D430", "R35", "D968", "R207",
"U466", "R796", "D667", "R93", "U749", "L315", "D410", "R312", "U929",
"L923", "U260", "R638"
]
def to_coords(xs):
row, col = 0, 0
coords = []
for x in xs:
d, amt = x[0], int(x[1:])
if d == 'U':
for i in range(1, amt + 1):
coords.append((row + i, col))
row += amt
elif d == 'D':
for i in range(1, amt + 1):
coords.append((row - i, col))
row -= amt
elif d == 'L':
for i in range(1, amt + 1):
coords.append((row, col - i))
col -= amt
elif d == 'R':
for i in range(1, amt + 1):
coords.append((row, col + i))
col += i
return coords
def contains(row, col, d):
if row not in d:
return False
return col in d[row]
def intersections(xs, ys):
d = {}
ints = set()
for row, col in to_coords(xs):
if row in d:
d[row].add(col)
else:
d[row] = {col}
for row, col in to_coords(ys):
if contains(row, col, d):
ints.add((row, col))
return ints
def trace_to(coord, xs):
count = 0
for coord_x in to_coords(xs):
count += 1
if coord_x == coord:
return count
raise Exception("Intersection doesn't exist")
answer = []
for coord in intersections(xs, ys):
x = trace_to(coord, xs)
y = trace_to(coord, ys)
heappush(answer, x + y)
print(heappop(answer))

35
universe/advent-of-code/day_4.py Normal file
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import re
start = 134792
end = 675810
def satisfies(x):
x = str(x)
result = False
double, not_decreasing = False, False
# double and *only* double exists
for i in range(len(x) - 1):
# double and left-of-a is BOL or !x
# and right-of-b is EOL or !x
a, b = x[i], x[i + 1]
bol = i - 1 < 0
eol = i + 2 >= len(x)
if a == b and (bol or x[i - 1] != a) and (eol or x[i + 2] != a):
double = True
break
# not_decreasing
prev = int(x[0])
for a in x[1:]:
a = int(a)
if prev > a:
return False
prev = a
not_decreasing = True
return double and not_decreasing
print(len([x for x in range(start, end + 1) if satisfies(x)]))

50
universe/advent-of-code/day_5.ex Normal file
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defmodule Interpretter do
def interpret_param({mode, x}, xs) do
case mode do
:positional -> Enum.at(xs, x)
:immediate -> x
end
end
# Perhaps I can model the intepretter after Forth and make it a stack-based
# interpretter with an emphasis on debugability, introspection.
def interpret(i, xs) do
stack = []
op = Enum.at(xs, i)
# map instructions into an intermediate representation (i.e. IR) where the
# opcodes are mapped into atoms and the arguments are mapped into references
# or literals.
instructions =
%{'01' => :add,
'02' => :multiply,
'03' => :input,
'04' => :output,
'05' => :jump_if_true,
'06' => :jump_if_false,
'07' => :less_than,
'08' => :equal_to,
'99' => :return}
case xs do
[:add, a, b, {:positional, out} | rest] ->
a = interpret_param(a, xs)
b = interpret_param(b, xs)
Interpretter.interpret(i + 3, List.insert_at(xs, out, a + b))
[:multiply, a, b, {:positional, out} | rest] ->
a = interpret_param(a, xs)
b = interpret_param(b, xs)
Interpretter.interpret(i + 3, List.insert_at(xs, out, a * b))
[:input, a | rest] -> nil
[:output, a | rest] -> nil
[:jump_if_true, a, b | rest] -> nil
[:jump_if_false, a, b | rest] -> nil
[:less_than, a, b, out | rest] -> nil
[:equal_to, a, b, out | rest] -> nil
[:return | _rest] -> nil
end
end
end

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universe/advent-of-code/day_5.py Normal file
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x = [
3, 225, 1, 225, 6, 6, 1100, 1, 238, 225, 104, 0, 1102, 31, 68, 225, 1001,
13, 87, 224, 1001, 224, -118, 224, 4, 224, 102, 8, 223, 223, 1001, 224, 7,
224, 1, 223, 224, 223, 1, 174, 110, 224, 1001, 224, -46, 224, 4, 224, 102,
8, 223, 223, 101, 2, 224, 224, 1, 223, 224, 223, 1101, 13, 60, 224, 101,
-73, 224, 224, 4, 224, 102, 8, 223, 223, 101, 6, 224, 224, 1, 224, 223,
223, 1101, 87, 72, 225, 101, 47, 84, 224, 101, -119, 224, 224, 4, 224,
1002, 223, 8, 223, 1001, 224, 6, 224, 1, 223, 224, 223, 1101, 76, 31, 225,
1102, 60, 43, 225, 1102, 45, 31, 225, 1102, 63, 9, 225, 2, 170, 122, 224,
1001, 224, -486, 224, 4, 224, 102, 8, 223, 223, 101, 2, 224, 224, 1, 223,
224, 223, 1102, 29, 17, 224, 101, -493, 224, 224, 4, 224, 102, 8, 223, 223,
101, 1, 224, 224, 1, 223, 224, 223, 1102, 52, 54, 225, 1102, 27, 15, 225,
102, 26, 113, 224, 1001, 224, -1560, 224, 4, 224, 102, 8, 223, 223, 101, 7,
224, 224, 1, 223, 224, 223, 1002, 117, 81, 224, 101, -3645, 224, 224, 4,
224, 1002, 223, 8, 223, 101, 6, 224, 224, 1, 223, 224, 223, 4, 223, 99, 0,
0, 0, 677, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1105, 0, 99999, 1105, 227, 247,
1105, 1, 99999, 1005, 227, 99999, 1005, 0, 256, 1105, 1, 99999, 1106, 227,
99999, 1106, 0, 265, 1105, 1, 99999, 1006, 0, 99999, 1006, 227, 274, 1105,
1, 99999, 1105, 1, 280, 1105, 1, 99999, 1, 225, 225, 225, 1101, 294, 0, 0,
105, 1, 0, 1105, 1, 99999, 1106, 0, 300, 1105, 1, 99999, 1, 225, 225, 225,
1101, 314, 0, 0, 106, 0, 0, 1105, 1, 99999, 8, 226, 677, 224, 102, 2, 223,
223, 1005, 224, 329, 1001, 223, 1, 223, 1108, 677, 226, 224, 102, 2, 223,
223, 1006, 224, 344, 101, 1, 223, 223, 108, 677, 226, 224, 102, 2, 223,
223, 1006, 224, 359, 101, 1, 223, 223, 7, 677, 226, 224, 102, 2, 223, 223,
1005, 224, 374, 101, 1, 223, 223, 1007, 226, 677, 224, 102, 2, 223, 223,
1005, 224, 389, 101, 1, 223, 223, 8, 677, 677, 224, 102, 2, 223, 223, 1006,
224, 404, 1001, 223, 1, 223, 1007, 677, 677, 224, 1002, 223, 2, 223, 1006,
224, 419, 101, 1, 223, 223, 1108, 677, 677, 224, 1002, 223, 2, 223, 1005,
224, 434, 1001, 223, 1, 223, 1107, 226, 677, 224, 102, 2, 223, 223, 1005,
224, 449, 101, 1, 223, 223, 107, 226, 226, 224, 102, 2, 223, 223, 1006,
224, 464, 101, 1, 223, 223, 1108, 226, 677, 224, 1002, 223, 2, 223, 1005,
224, 479, 1001, 223, 1, 223, 7, 677, 677, 224, 102, 2, 223, 223, 1006, 224,
494, 1001, 223, 1, 223, 1107, 677, 226, 224, 102, 2, 223, 223, 1005, 224,
509, 101, 1, 223, 223, 107, 677, 677, 224, 1002, 223, 2, 223, 1006, 224,
524, 101, 1, 223, 223, 1008, 677, 677, 224, 1002, 223, 2, 223, 1006, 224,
539, 101, 1, 223, 223, 7, 226, 677, 224, 1002, 223, 2, 223, 1005, 224, 554,
101, 1, 223, 223, 108, 226, 226, 224, 1002, 223, 2, 223, 1006, 224, 569,
101, 1, 223, 223, 1008, 226, 677, 224, 102, 2, 223, 223, 1005, 224, 584,
101, 1, 223, 223, 8, 677, 226, 224, 1002, 223, 2, 223, 1005, 224, 599, 101,
1, 223, 223, 1007, 226, 226, 224, 1002, 223, 2, 223, 1005, 224, 614, 101,
1, 223, 223, 1107, 226, 226, 224, 1002, 223, 2, 223, 1006, 224, 629, 101,
1, 223, 223, 107, 677, 226, 224, 1002, 223, 2, 223, 1005, 224, 644, 1001,
223, 1, 223, 1008, 226, 226, 224, 1002, 223, 2, 223, 1006, 224, 659, 101,
1, 223, 223, 108, 677, 677, 224, 1002, 223, 2, 223, 1005, 224, 674, 1001,
223, 1, 223, 4, 223, 99, 226
]
# Interpretter spec:
# Op-code width: 2
# ABCDE
# A: Mode of 3rd parameter
# B: Mode of 2rd parameter
# C: Mode of 1st parameter
# DE: 2-digit op-code
#
# Not every op-code has the same arity.
#
# Parameter modes:
# - positional: index of memory. 0
# - immediate: raw value. 1
# Assert that you never attempt to write to an "immediate value"
# Parameter modes
POS = '0' # positional parameter mode
VAL = '1' # immediate parameter mode
# Pasted from day-2.py
# interpretter :: Int -> [Int] -> [Int] -> IO ()
def interpret(i, x, argv=[], outs=[]):
"""Values in `argv` will be applied to any `input` fields."""
# The widest op-code we'll see is 3 + 2 = 5 for either addition or
# multiplication since each of those is a 3-arity function with a two-digit
# op-code.
instruction = '{:05d}'.format(x[i])
op = instruction[-2:]
if op == '01':
a, b, out = x[i + 1], x[i + 2], x[i + 3]
mode_a, mode_b, mode_out = instruction[2], instruction[1], instruction[
0]
a = a if mode_a == VAL else x[a]
b = b if mode_b == VAL else x[b]
assert mode_out == POS
x[out] = a + b
return interpret(i + 4, x, argv=argv, outs=outs)
elif op == '02':
a, b, out = x[i + 1], x[i + 2], x[i + 3]
mode_a, mode_b, mode_out = instruction[2], instruction[1], instruction[
0]
a = a if mode_a == VAL else x[a]
b = b if mode_b == VAL else x[b]
assert mode_out == POS
x[out] = a * b
return interpret(i + 4, x, argv=argv, outs=outs)
# input
elif op == '03':
a = x[i + 1]
mode_a = instruction[2]
assert mode_a == POS
# What's the pythonic way to defensively get this value?
if len(argv) and argv[0] is not None:
x[a] = argv[0]
return interpret(i + 2, x, argv=argv[1:], outs=outs)
elif len(outs) and outs[-1] is not None:
x[a] = outs[-1]
return interpret(i + 2, x, argv=argv, outs=outs)
else:
# Here we want to block until the user applies input. This could be
# done easily with message passing for something similar.
x[a] = int(input('Enter: '))
return interpret(i + 2, x, argv=argv)
# output
elif op == '04':
a = x[i + 1]
mode_a = instruction[2]
a = a if mode_a == VAL else x[a]
outs.append(a)
return interpret(i + 2, x, argv=argv, outs=outs)
# jump-if-true
elif op == '05':
a, b = x[i + 1], x[i + 2]
mode_a, mode_b = instruction[2], instruction[1]
a = a if mode_a == VAL else x[a]
b = b if mode_b == VAL else x[b]
if a != 0:
return interpret(b, x, argv=argv, outs=outs)
else:
return interpret(i + 3, x, argv=argv, outs=outs)
# jump-if-false
elif op == '06':
a, b = x[i + 1], x[i + 2]
mode_a, mode_b = instruction[2], instruction[1]
a = a if mode_a == VAL else x[a]
b = b if mode_b == VAL else x[b]
if a == 0:
return interpret(b, x, argv=argv, outs=outs)
else:
return interpret(i + 3, x, argv=argv, outs=outs)
pass
# less than
elif op == '07':
a, b, out = x[i + 1], x[i + 2], x[i + 3]
mode_a, mode_b, mode_out = instruction[2], instruction[1], instruction[
0]
a = a if mode_a == VAL else x[a]
b = b if mode_b == VAL else x[b]
assert mode_out == POS
if a < b:
x[out] = 1
else:
x[out] = 0
return interpret(i + 4, x, argv=argv, outs=outs)
# equals
elif op == '08':
a, b, out = x[i + 1], x[i + 2], x[i + 3]
mode_a, mode_b, mode_out = instruction[2], instruction[1], instruction[
0]
a = a if mode_a == VAL else x[a]
b = b if mode_b == VAL else x[b]
assert mode_out == POS
if a == b:
x[out] = 1
else:
x[out] = 0
return interpret(i + 4, x, argv=argv, outs=outs)
elif op == '99':
return x[0]
else:
raise Exception('Unsupported opcode: {}.'.format(op))

BIN
universe/advent-of-code/day_5.pyc Normal file
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155
universe/advent-of-code/day_6.py Normal file
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from graphviz import Digraph
data = """6WF)DRK 2PT)PSM H42)FN8 1XR)LQD HRK)9KL TD6)H8W 98Z)BJM RCQ)LVG
RWQ)Q7H 2PS)X94 NHB)25X PXC)W57 L8L)MVX CFK)D8K R1B)43T PDY)QKX FQK)82K JJ6)MQJ
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WN7)TTB 3PV)CQD N7Y)9T3 223)8D4 RV6)LJ9 HFP)JRF VMT)DNB GJP)D3F J5G)KMS 7Q6)ZW2
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D97)HPF JKB)9L4 593)6YJ RMB)4Q5 QZB)38C H12)6R1 MKY)DDD HGX)CRG P53)WY7 22B)GMM
44X)2D8 DT8)L7H 3Y2)D3S FB8)68N 3BC)1XR 4XF)TVQ VPL)R7V Z4V)JSK B3S)FW5 49Z)YQQ
99V)D13 54Q)SS7 CYC)TXH PQ3)78W X4M)G9H WFL)M99 ZYY)3Y2 12Y)PSW W38)P29 H8W)JJ6
P66)VPH GK2)45T H5F)FJT JDJ)SNV 14F)96Q JG6)TQ4 2L6)52Q SCY)CBJ 3GN)KNC KLM)XPR
DH1)QZB DMB)X7G DPL)7SX D97)N3N GNS)T95 53P)GW2 BHR)HNB YHX)XQV 2CR)Y1V C9D)Z7P
FN8)2PT 6LF)FCQ JNL)LQR SPV)YCB HGX)N83 VS4)8BT 5RH)FTX HYC)X2J 69V)J6S 9XS)PN4
SD7)5Q3 2RN)82D QRY)FFY K2Y)3X2 79Z)S2Z YN2)Y64 JKB)MDT KJ8)NDH N57)5VH 3XK)1Q1
SCH)FJ6 17N)GMP QR4)7V2 GLV)GLY NHF)ZDY QDL)S14 QF1)BMC ZLF)DHN 3JF)7TR MKS)GCY
964)91R 9L4)L5G RRX)6ZB CD7)73M 3X2)PGC HNB)S9Z L94)KLM 8MQ)SCR 18C)3TJ M4Y)BTJ
BC9)5YR TV5)SCY 2NX)8CC C9Z)MTC B69)3QP HR7)CHJ 8ZS)JRN 31C)TJW D43)4NH 93Q)X9X
T95)DNZ LQ5)BC9 9T5)S2C RP8)DH1 GCY)SD7 Y44)9B5 VG5)ZYY 7RY)V3L PWV)Q4L NF1)7YF
DRK)Y8V D13)GYG TW1)2PB ZVZ)2VV BRJ)V2V 9CB)Y7B MK4)9CJ TMR)6XS HWF)GK8 QTF)S1S
DFW)6LF N3S)WN1 N2Q)MSW CZ5)X61 FXZ)C4H SCQ)MF7 9LY)3LN 5MZ)PMX CN9)WF9 FHY)PR8
S38)NWH M29)G5S 4NH)GZJ 5YR)54H CLX)MNY TJD)HQL RRZ)4GQ YHB)CZ5 P37)93Q YJG)3Q3
95B)QMF CMQ)BLZ QD9)45M JSK)R28 YCW)CLX 8K3)JGB N8M)PQW P75)1HL XBS)T2T 22C)PVW
689)6MS FFY)RWX YHL)2G8 Y8V)4P1 Y7B)62Z YKJ)JDJ 1HL)5LQ PZ3)B1C 52Q)7HB 3Q2)ZV7
YBF)Z4V J95)SDH NM6)YBF 8YN)J3M J6S)KNR PVT)N4X SDH)RFW RFW)7Y1 JCB)52B 3MJ)H58
4QF)XHZ F62)DFW 7LJ)KDW JHL)C9D B4D)Q8B 342)YGS PFR)ZQT Z9K)TNS 8F8)WLB 94N)DMB
QBT)RYS 3VR)KRR 8D4)ST6 X9N)2PV 632)8K3 MX5)XNP 57D)Y27 18D)PQP D3F)RJ4 PLS)PBL
1JP)YDC 79V)BG2 S14)2NX 4Q5)NCQ FTX)555 2PM)KMH HQC)RMB 9Z9)BNZ XHV)Y94 7ZP)YHR
BNZ)49Z W6D)LX6 SLS)JL3 PVW)P9W Z1L)HB5 DS5)G2V Z9Q)RV8 DFR)LPJ 836)693 K94)VWL
HRG)836 J3V)593 52N)LPK 9KL)Y7M LX6)F7D JL3)511 L4G)D97 1RH)Y9F NJ2)LML GW2)9WV
8KZ)NRC XQV)G6D R8Z)QF7 326)HML R7R)8PM 622)YCW WQY)LGS NF1)FF3 5LQ)QF1 5XR)PTD
V2V)PFR 9T5)JQ6 CBQ)8KZ VZ4)HVQ TJW)DQT 9WT)5M6 CFK)YHL JR9)1JP Y1K)CF4 8WS)JPY
VYC)1D6 GKK)7J9 JTG)RRX 6V1)F74 1H5)QR4 SN3)NMG MF7)GQ1 RYK)SCH BNZ)9LY 1DJ)9LP
L6W)5BK FCQ)BFL DCJ)3RD MXD)8MQ RWX)1RH NBF)WKM K6C)WNH H58)L6W Y7B)BJH PGC)NBF
96Q)Q2W F7D)BSN 223)Z9K K94)VYC X9X)7M3 Q1M)3J9 QXF)XQ6 DD7)3Q2 Q1L)NHB 79T)LXQ
8TZ)M29 21T)Q4C B1C)NSF 8D8)FJ2 LJH)HGJ QS2)PS1 5KX)Z2L C6C)6BQ VQ2)2YP P87)N8M
ST5)L4G 8SP)W5M T4H)69V 9WF)GHS FF3)SND C5G)GKK VQ2)X4M P43)8J6 TD6)384 66V)CN9
CX4)T9T NCQ)2JQ 29K)K8K RY5)K4Q GQ3)T4H FNH)P32 3BC)PRQ 5HN)4QY M1W)BGT 84R)ST5
S45)CJW CK4)W7G SGX)19R S2C)7ZX DHN)W5Y 8D9)HM2 BSB)SPV D8K)DFV JHL)2L6 KYP)12Y
KDN)6X7 Y44)SQZ 6G6)SJD N7D)QGF Q84)8WJ F89)LL9 LYJ)2RN 25X)Q84 HM3)53P JNB)QD9
SLW)1DQ 384)3BC PR8)NGV 49N)7ZP 65H)LHJ 6XS)S45 ZMG)FR1 X2M)Y86 QD3)QLM P4R)PQ3
RTK)4M3 4YW)N7D R7V)M4M 73M)CBF DFV)64R Z7P)LMK HRG)Y1K 3ZM)BCZ WY7)QXP DMC)9Q5
PSW)1H5 8CC)TV5 TTB)S88 BZK)K2Y T2B)CBQ HJB)Y19 DQW)KML Z8W)8ZL PBL)5TK 1D6)MX5
3MJ)4YW MDT)HJB 62Z)X33 DZ7)BDC 9CJ)FRD 82D)KDN LK7)18D 9QQ)61M Y34)DZG J4T)6KC
971)QD3 511)GQ3 MJN)F62 RNM)NKG BGW)KJ8 DL2)1YH ZQT)RYZ 1YH)ZJ6 2WT)YYQ 7HB)DYQ
3BN)WQY 2M9)62D TSK)YR1 N7Y)VJ8 WZ4)FWT MNY)YN2 DYQ)RRZ 3RG)YT3 2SM)VK9 JH5)ZXH
GYG)K2M PKF)V6G JGB)S87 X94)N57 MSW)L2Z X4N)25G BLZ)4QF JPY)GD9 WLB)V6S KML)2SM
TXH)9X1 48V)KTR 8PM)WZ4 ZW2)967 PS9)3BN 4WH)9T5 8M1)R6V N7M)VWK S88)978 N4X)8KH
6VY)PLS NRC)874 QGF)QWJ NMG)J3V B8Z)WPF 45M)2QC KDW)VQ2 FZW)223 BXW)QXF FRD)PWV
8HP)4G7 KDN)YYL LHJ)SDN P6P)XMC W5Y)RYK HX8)KW3 Z2L)H12 WPF)T2B L7H)BGW MNL)17B
GHS)66V QKX)XWV FW5)W38 PDK)Y34 FKG)Q6D DQT)YJG 15G)79V 4VK)51Y BJH)LR4 48V)6GC
DM5)Y1F CM5)VG5 KB8)HRK 5HN)RCQ 6JP)SDQ LGH)NJ2 L94)N7Y 4Y2)ZLF 25G)C4K K8K)SLS
232)ZVZ GQ1)58J RV8)H5F 78W)565 YCF)8D9 DZG)99V N83)CKR TN2)ZCX NGV)8SP BSN)FTN
LPJ)94N 3Q3)Q1M JVX)971 54W)LGH 67Y)P66 R24)P37 3QP)QTY YHR)FLT GMP)NM6 NDH)632
PWV)8D8 LMK)3PV ZWJ)KB8 967)4VK 3B1)WN7 XWS)5CV YR1)FNH 565)4PH 5BK)V98 W5Y)FR8
PS1)HX8 38C)XXG XWV)1YC M4M)LQ5 S9Z)49N XMC)R1B YYL)VC9 GMM)SCQ LXQ)J95 51Y)RP8
HLT)XBS 82K)B8Z NR5)7K3 K2M)67Y SF6)W6D CF4)85M MC3)LXM HMN)RNM BFL)4XF MT2)PM4
VWK)JKB 3JF)ZTZ QWJ)9QQ KRR)TJD VYW)Z9Q CK4)QS2 8NQ)NR5 57R)BHR 8WM)YHB Y86)GNS
2Y2)Z21 X12)9QX LJ9)YKJ 3RD)8F1 7SQ)CK4 ZXH)3XK DDD)5KX ZCX)PYR GZJ)KXL KC5)52N
PM4)RYP 14X)ZWJ FJ6)175 17B)689 HQL)14F LQR)DBK LGS)4Y2 2QQ)SGR 2VV)8F8 J6S)LM3
RTP)YZ5 XDD)14K VQ4)MT2 KMH)KYC CKR)RTP VD5)MRM CM5)KRW BG3)XDD PGM)J4T MY3)JVX
Z8F)WNP BKM)WT5 FLT)KTF N7D)8M1 Y19)CMQ HPF)WDL 65H)JJP 2MQ)66S 4Q5)54Q Q2W)ZL4
QTY)659 MRM)9Z9 X2J)SC4 YWH)RB3 FTN)LYJ LMK)N7M SGX)15G KW3)FQK 3VV)JNL JWX)R8R
9Z3)9MB BMC)N3S W7G)Z1L SD7)MW2 376)RH8 NWT)JHL 7CD)N2Z KTR)HM3 1Q1)TDZ DY9)2CR
6YJ)14G FWT)JDW C2S)C5G SNV)J6M 5TK)YWH J3M)8HF HM2)GJP P9W)7CD 1VN)SGX KMS)RBK
64R)B1V 62D)3VV 61D)F4S XPR)SKN FJT)N3P 9WV)D43 TQ8)BDB 46H)K4V 8WJ)MXD NDM)9WF
8ZL)1QJ SCR)2MQ 7Y9)LJH VPH)MKY YDC)PDK 4G7)65H 2JM)NYY T9T)VMT 8M1)TSK G5S)X4N
6FH)KYP D98)DQW G6D)C2S 6X7)N2Q 1QJ)T7S ZL4)J8T 5BT)3VR 835)KCJ YM8)3RG Y7M)PWQ
54W)9W4 CBF)7LJ 4T5)8WS RHQ)HBK CQD)D98 HGJ)J6R JVC)79Z FD1)PKF VC9)5BT C4H)6WF
D3S)P6P MR7)BG3 R6V)DF3 9X1)NQ5 ZTZ)2Y2 8WM)HFP CDC)376 TQ4)M4Y 9MB)N1R HBK)DQ4
1DQ)CYC WNP)DM8 CBJ)LK7 ZT8)FWY LQD)PNN 555)9Z3 TNS)D9L QMF)L11 FR8)5RH WF9)R87
NKG)5HT L5G)91W N2Z)YV9 9B5)CD7 ZV7)8NQ ST6)74T ZJ6)CQV S18)47M 74T)8YN WNH)TN2
874)46H 3VV)PZ3 Y1F)42W MPT)2LP FDR)HWF X7G)RTK 52B)P4R RYP)G93 NWH)YCF 7TR)FB8
RWQ)6FH 8F8)HLC CRN)P2P B6D)KC5 PNN)HRG""".split()
# COM is the root in this tree
# parent :: Vertex -> [Edge] -> Maybe(Vertex)
def parent(x, xs):
for a, b in xs:
if b == x:
return a
return None
# parents :: Vertex -> [Edge] -> [Vertex]
def parents(x, xs):
parents = []
p = parent(x, xs)
while p:
parents.append(p)
p = parent(p, xs)
return parents
# alias Vertex :: String
# alias Edge :: (String, String)
# to_edge_list :: [String] -> [(String, String)]
def to_edge_list(xs):
"""Returns a list of tuples where (A, B) represents a directed edge from
vertex A to vertex B."""
return [(x[0:3], x[4:]) for x in xs]
# to_graphviz :: [Edge] -> String
def to_graphviz(xs):
d = Digraph()
for a, b in xs:
d.node(a, label=a)
d.edge(a, b)
return d.source
graph = to_edge_list(data)
you = parents('YOU', graph)
san = parents('SAN', graph)
# Distance from YOU to shared point with SAN
yd = 1
for i in range(len(you)):
if you[i] in san:
break
yd += 1
# Distance from SAN to shared point with YOU
sd = 1
for i in range(len(san)):
if san[i] in you:
break
sd += 1
print('Number of orbital transfers required: {}'.format(yd - 1 + sd - 1))

49
universe/advent-of-code/day_7.py Normal file
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from day_5 import interpret
from itertools import permutations
# TODO: I may need to re-write this in Elixir modelling each amplifier as a
# `Process` and `Process.send`ing each amplifier the signals.
data = [
3, 8, 1001, 8, 10, 8, 105, 1, 0, 0, 21, 38, 59, 76, 89, 106, 187, 268, 349,
430, 99999, 3, 9, 1002, 9, 3, 9, 101, 2, 9, 9, 1002, 9, 4, 9, 4, 9, 99, 3,
9, 1001, 9, 5, 9, 1002, 9, 5, 9, 1001, 9, 2, 9, 1002, 9, 3, 9, 4, 9, 99, 3,
9, 1001, 9, 4, 9, 102, 4, 9, 9, 1001, 9, 3, 9, 4, 9, 99, 3, 9, 101, 4, 9,
9, 1002, 9, 5, 9, 4, 9, 99, 3, 9, 1002, 9, 3, 9, 101, 5, 9, 9, 1002, 9, 3,
9, 4, 9, 99, 3, 9, 102, 2, 9, 9, 4, 9, 3, 9, 1002, 9, 2, 9, 4, 9, 3, 9,
1002, 9, 2, 9, 4, 9, 3, 9, 101, 2, 9, 9, 4, 9, 3, 9, 1002, 9, 2, 9, 4, 9,
3, 9, 102, 2, 9, 9, 4, 9, 3, 9, 101, 1, 9, 9, 4, 9, 3, 9, 1001, 9, 1, 9, 4,
9, 3, 9, 1002, 9, 2, 9, 4, 9, 3, 9, 101, 2, 9, 9, 4, 9, 99, 3, 9, 1002, 9,
2, 9, 4, 9, 3, 9, 101, 2, 9, 9, 4, 9, 3, 9, 1002, 9, 2, 9, 4, 9, 3, 9, 101,
1, 9, 9, 4, 9, 3, 9, 102, 2, 9, 9, 4, 9, 3, 9, 102, 2, 9, 9, 4, 9, 3, 9,
101, 2, 9, 9, 4, 9, 3, 9, 101, 2, 9, 9, 4, 9, 3, 9, 102, 2, 9, 9, 4, 9, 3,
9, 1001, 9, 2, 9, 4, 9, 99, 3, 9, 1002, 9, 2, 9, 4, 9, 3, 9, 1001, 9, 2, 9,
4, 9, 3, 9, 101, 1, 9, 9, 4, 9, 3, 9, 101, 2, 9, 9, 4, 9, 3, 9, 101, 2, 9,
9, 4, 9, 3, 9, 102, 2, 9, 9, 4, 9, 3, 9, 1001, 9, 2, 9, 4, 9, 3, 9, 102, 2,
9, 9, 4, 9, 3, 9, 1001, 9, 1, 9, 4, 9, 3, 9, 1001, 9, 2, 9, 4, 9, 99, 3, 9,
1001, 9, 2, 9, 4, 9, 3, 9, 102, 2, 9, 9, 4, 9, 3, 9, 1001, 9, 2, 9, 4, 9,
3, 9, 102, 2, 9, 9, 4, 9, 3, 9, 101, 2, 9, 9, 4, 9, 3, 9, 1002, 9, 2, 9, 4,
9, 3, 9, 1002, 9, 2, 9, 4, 9, 3, 9, 1002, 9, 2, 9, 4, 9, 3, 9, 101, 1, 9,
9, 4, 9, 3, 9, 101, 1, 9, 9, 4, 9, 99, 3, 9, 101, 2, 9, 9, 4, 9, 3, 9, 102,
2, 9, 9, 4, 9, 3, 9, 1002, 9, 2, 9, 4, 9, 3, 9, 1001, 9, 2, 9, 4, 9, 3, 9,
1001, 9, 2, 9, 4, 9, 3, 9, 1001, 9, 2, 9, 4, 9, 3, 9, 1001, 9, 1, 9, 4, 9,
3, 9, 1001, 9, 2, 9, 4, 9, 3, 9, 1001, 9, 2, 9, 4, 9, 3, 9, 102, 2, 9, 9,
4, 9, 99
]
data_a, data_b, data_c, data_d, data_e = data[:], data[:], data[:], data[:], data[:]
# m = 0
# for a, b, c, d, e in permutations(range(5, 10)):
# answer = None
# z = 0
# while z is not None:
# print(a, b, c, d, e)
# print('---')
# v = interpret(0, data_a, argv=[a, z])
# print(v)
# w = interpret(0, data_b, argv=[b, v])
# x = interpret(0, data_c, argv=[c, w])
# y = interpret(0, data_d, argv=[d, x])
# z = interpret(0, data_e, argv=[e, y])
# m = max(m, z)

18
universe/advent-of-code/writePythonBin.nix Normal file
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@ -0,0 +1,18 @@
{ pkgs ? import <nixpkgs> {}, ... }:
{ name, deps, src }:
let
inherit (pkgs) pythonPackages writeTextFile;
inherit (builtins) toFile;
in writeTextFile {
inherit name;
executable = true;
destination = "/bin/${name}";
text = ''
#!/bin/sh
${pkgs.python3}/bin/python3 ${src}
'';
}