Added full days 1-3 2018, full days 1-11 2015, first star day 12 2015

2015/day1.py

@@ -0,0 +1,12 @@
+with open('day1-input', 'r') as file:
+  data = file.readlines()
+print(data[0].count('(') - data[0].count(')'))  # Part 1
+f = 0
+for i, c in enumerate(data[0]):
+  if c == '(':
+    f += 1
+  else:
+    f -= 1
+  if f < 0:
+    print(i+1)  # Part 2
+    break

2015/day10.py

@@ -0,0 +1,23 @@
+data = '3113322113'
+
+def iterate(s):
+  lastchar = s[0]
+  lastcount = 1
+  output = []
+  for c in s[1:] + '\x00':
+    if c == lastchar:
+      lastcount += 1
+    else:
+      output += [str(lastcount), lastchar] # [lastchar]*lastcount
+      lastchar = c
+      lastcount = 1
+  return ''.join(output)
+
+s = data
+for i in range(40):
+  s = iterate(s)
+print(len(s))  # Part 1
+s2 = s
+for i in range(10):  # equivalent to 50 times from starting input. Doesn't really save time though.
+  s2 = iterate(s2)
+print(len(s2))  # Part 2

2015/day11.py

@@ -0,0 +1,48 @@
+data = 'cqjxjnds'
+#import numpy as np
+#base26m = np.array([26**n for n in range(7, -1, -1)], dtype=np.int64)
+#def increment(s):
+  #digits = [ord(c)-97 for c in s]
+  #base26 = np.dot(base26m, digits)
+  #num = base26 + 1
+  #digits2 = []
+  #while num:
+    #digits2.append(num % 26)
+    #num //= 26
+  #digits2 += [0]*(8-len(digits2))
+  #return ''.join([chr(d+97) for d in reversed(digits2)])
+
+def increment(s):
+  if 'a' <= s[-1] < 'z':
+    inc = 2 if s[-1] in 'hnk' else 1
+    return s[:-1] + chr(ord(s[-1])+inc)
+  else:
+    return increment(s[:-1]) + 'a'
+
+def is_valid(s):
+  #if 'i' in s or 'o' in s or 'l' in s:
+    #return False
+  straight = False
+  for a, b, c in zip(s[:-2], s[1:-1], s[2:]):
+    if ord(a) == ord(b)-1 == ord(c)-2:
+      straight = True
+      break
+  if not straight:
+    return False
+  pairs = set()
+  for a, b in zip(s[:-1], s[1:]):
+    if a == b:
+      pairs.add(a)
+    if len(pairs) >= 2:
+      return True
+  return False
+
+password = increment(data)
+while not is_valid(password):
+  password = increment(password)
+print(password)  # Part 1  -- cqkkaabc is not correct?! - actually cqjxxyzz
+
+password2 = increment(password)
+while not is_valid(password2):
+  password2 = increment(password2)
+print(password2)  # Part 2

2015/day12.py

@@ -0,0 +1,15 @@
+import json
+number_sum = 0.0
+def parse_int(val):
+  i = int(val)
+  global number_sum
+  number_sum += i
+  return i
+def parse_float(val):
+  i = float(val)
+  global number_sum
+  number_sum += i
+  return i
+with open('day12-input', 'r') as file:
+  data = json.load(file, parse_float=parse_float, parse_int=parse_int)
+print(number_sum)  # Part 1

2015/day2.py

@@ -0,0 +1,17 @@
+with open('day2-input', 'r') as file:
+  data = [l.strip('\n') for l in file]
+dimensions = [[int(x) for x in d.split('x')] for d in data]
+
+def area(l, w, h):
+  sides = [l*w, w*h, h*l]
+  slack = min(sides)
+  return 2*sum(sides) + slack
+
+print(sum([area(*present) for present in dimensions]))  # Part 1
+
+def ribbon(l, w, h):
+  perimeter = 2 * (sum([l,w,h])-max([l,w,h]))
+  volume = l*w*h
+  return perimeter + volume
+
+print(sum([ribbon(*present) for present in dimensions]))  # Part 2

2015/day3.py

@@ -0,0 +1,47 @@
+with open('day3-input', 'r') as file:
+  data = file.readlines()
+
+x = 0
+y = 0
+houses = set()
+houses.add((x, y))
+for c in data[0]:
+  if c == '>':
+    x += 1
+  elif c == '<':
+    x -= 1
+  elif c == '^':
+    y += 1
+  elif c == 'v':
+    y -= 1
+  houses.add((x, y))
+print(len(houses))  # Part 1
+
+x1 = 0
+y1 = 0
+x2 = 0
+y2 = 0
+houses2 = set()
+houses2.add((0, 0))
+for i, c in enumerate(data[0]):
+  if i%2:
+    if c == '>':
+      x1 += 1
+    elif c == '<':
+      x1 -= 1
+    elif c == '^':
+      y1 += 1
+    elif c == 'v':
+      y1 -= 1
+    houses2.add((x1, y1))
+  else:
+    if c == '>':
+      x2 += 1
+    elif c == '<':
+      x2 -= 1
+    elif c == '^':
+      y2 += 1
+    elif c == 'v':
+      y2 -= 1
+    houses2.add((x2, y2))
+print(len(houses2))  # Part 2

2015/day4.py

@@ -0,0 +1,15 @@
+data = 'yzbqklnj'
+from hashlib import md5
+i = 0
+while True:
+  i += 1
+  if md5(f'{data}{i}'.encode('utf-8')).hexdigest().startswith('00000'):
+    print(i)  # Part 1
+    break
+
+i -= 1  # Just in case the first hit was 6 zeros
+while True:
+  i += 1
+  if md5(f'{data}{i}'.encode('utf-8')).hexdigest().startswith('000000'):
+    print(i)  # Part 2
+    break

2015/day5.py

@@ -0,0 +1,34 @@
+with open('day5-input', 'r') as file:
+  data = [l.strip('\n') for l in file]
+
+naughty_substrings = ['ab', 'cd', 'pq', 'xy']
+vowels = set(['a', 'e', 'i', 'o', 'u'])
+def is_nice(s):
+  for n in naughty_substrings:
+    if n in s:
+      return False
+  v_count = 0
+  rep_count = 0
+  last_char = ''
+  for c in s:
+    if c in vowels:
+      v_count += 1
+    if c == last_char:
+      rep_count += 1
+    last_char = c
+  return v_count >= 3 and rep_count > 0
+print(len([s for s in data if is_nice(s)]))  # Part 1
+
+def is_nice2(s):
+  spaced_rep = False
+  for a, b in zip(s[:-2], s[2:]):
+    if a == b:
+      spaced_rep = True
+      break
+  if not spaced_rep:
+    return False
+  for a, b in zip(s[:-1], s[1:]):
+    if s.count(a+b) > 1:
+      return True
+  return False
+print(len([s for s in data if is_nice2(s)]))  # Part 2

2015/day6-input

@@ -0,0 +1,300 @@
+turn on 887,9 through 959,629
+turn on 454,398 through 844,448
+turn off 539,243 through 559,965
+turn off 370,819 through 676,868
+turn off 145,40 through 370,997
+turn off 301,3 through 808,453
+turn on 351,678 through 951,908
+toggle 720,196 through 897,994
+toggle 831,394 through 904,860
+toggle 753,664 through 970,926
+turn off 150,300 through 213,740
+turn on 141,242 through 932,871
+toggle 294,259 through 474,326
+toggle 678,333 through 752,957
+toggle 393,804 through 510,976
+turn off 6,964 through 411,976
+turn off 33,572 through 978,590
+turn on 579,693 through 650,978
+turn on 150,20 through 652,719
+turn off 782,143 through 808,802
+turn off 240,377 through 761,468
+turn off 899,828 through 958,967
+turn on 613,565 through 952,659
+turn on 295,36 through 964,978
+toggle 846,296 through 969,528
+turn off 211,254 through 529,491
+turn off 231,594 through 406,794
+turn off 169,791 through 758,942
+turn on 955,440 through 980,477
+toggle 944,498 through 995,928
+turn on 519,391 through 605,718
+toggle 521,303 through 617,366
+turn off 524,349 through 694,791
+toggle 391,87 through 499,792
+toggle 562,527 through 668,935
+turn off 68,358 through 857,453
+toggle 815,811 through 889,828
+turn off 666,61 through 768,87
+turn on 27,501 through 921,952
+turn on 953,102 through 983,471
+turn on 277,552 through 451,723
+turn off 64,253 through 655,960
+turn on 47,485 through 734,977
+turn off 59,119 through 699,734
+toggle 407,898 through 493,955
+toggle 912,966 through 949,991
+turn on 479,990 through 895,990
+toggle 390,589 through 869,766
+toggle 593,903 through 926,943
+toggle 358,439 through 870,528
+turn off 649,410 through 652,875
+turn on 629,834 through 712,895
+toggle 254,555 through 770,901
+toggle 641,832 through 947,850
+turn on 268,448 through 743,777
+turn off 512,123 through 625,874
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+toggle 546,310 through 607,773
+turn on 501,505 through 896,909
+turn off 666,796 through 817,924
+toggle 987,789 through 993,809
+toggle 745,8 through 860,693
+toggle 181,983 through 731,988
+turn on 826,174 through 924,883
+turn on 239,228 through 843,993
+turn on 205,613 through 891,667
+toggle 867,873 through 984,896
+turn on 628,251 through 677,681
+toggle 276,956 through 631,964
+turn on 78,358 through 974,713
+turn on 521,360 through 773,597
+turn off 963,52 through 979,502
+turn on 117,151 through 934,622
+toggle 237,91 through 528,164
+turn on 944,269 through 975,453
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+toggle 585,106 through 651,425
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+turn off 902,924 through 976,973
+turn off 389,442 through 824,638
+turn off 622,863 through 798,863
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+toggle 567,374 through 925,439
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+toggle 185,42 through 294,810
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+toggle 828,303 through 979,770
+turn off 174,272 through 280,311
+turn off 540,50 through 880,212
+turn on 141,994 through 221,998
+turn on 476,695 through 483,901
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+turn on 368,458 through 437,612
+turn on 290,149 through 705,919
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+toggle 916,242 through 926,786
+toggle 522,272 through 773,314
+turn on 432,897 through 440,954
+turn off 132,169 through 775,380
+toggle 52,205 through 693,747
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+turn off 838,342 through 938,444
+turn on 144,431 through 260,951
+toggle 780,318 through 975,495
+turn off 185,412 through 796,541
+turn on 879,548 through 892,860
+turn on 294,132 through 460,338
+turn on 823,500 through 899,529
+turn off 225,603 through 483,920
+toggle 717,493 through 930,875
+toggle 534,948 through 599,968
+turn on 522,730 through 968,950
+turn off 102,229 through 674,529

2015/day6.py

@@ -0,0 +1,33 @@
+with open('day6-input', 'r') as file:
+  data = [l.strip('\n') for l in file]
+import numpy as np
+lights = np.zeros((1000,1000), dtype=np.int8)
+
+for line in data:
+  tokens = line.split(' ')
+  x1, y1 = [int(i) for i in tokens[-3].split(',')]
+  x2, y2 = [int(i)+1 for i in tokens[-1].split(',')]  # inclusive
+  if tokens[0] == 'toggle':
+    lights[x1:x2, y1:y2] ^= 1
+  else:  # elif tokens[0] == 'turn':
+    if tokens[1] == 'on':
+      lights[x1:x2, y1:y2] = 1
+    else:  # Off
+      lights[x1:x2, y1:y2] = 0
+print(np.sum(lights))  # Part 1
+
+lights2 = np.zeros((1000,1000), dtype=np.int32)
+
+for line in data:
+  tokens = line.split(' ')
+  x1, y1 = [int(i) for i in tokens[-3].split(',')]
+  x2, y2 = [int(i)+1 for i in tokens[-1].split(',')]  # inclusive
+  if tokens[0] == 'toggle':
+    lights2[x1:x2, y1:y2] += 2
+  else:  # elif tokens[0] == 'turn':
+    if tokens[1] == 'on':
+      lights2[x1:x2, y1:y2] += 1
+    else:  # Off
+      lights2[x1:x2, y1:y2] -= 1
+      np.clip(lights2[x1:x2, y1:y2], 0, None, out=lights2[x1:x2, y1:y2])
+print(np.sum(lights2))  # Part 2

2015/day7-input

@@ -0,0 +1,339 @@
+lf AND lq -> ls
+iu RSHIFT 1 -> jn
+bo OR bu -> bv
+gj RSHIFT 1 -> hc
+et RSHIFT 2 -> eu
+bv AND bx -> by
+is OR it -> iu
+b OR n -> o
+gf OR ge -> gg
+NOT kt -> ku
+ea AND eb -> ed
+kl OR kr -> ks
+hi AND hk -> hl
+au AND av -> ax
+lf RSHIFT 2 -> lg
+dd RSHIFT 3 -> df
+eu AND fa -> fc
+df AND dg -> di
+ip LSHIFT 15 -> it
+NOT el -> em
+et OR fe -> ff
+fj LSHIFT 15 -> fn
+t OR s -> u
+ly OR lz -> ma
+ko AND kq -> kr
+NOT fx -> fy
+et RSHIFT 1 -> fm
+eu OR fa -> fb
+dd RSHIFT 2 -> de
+NOT go -> gp
+kb AND kd -> ke
+hg OR hh -> hi
+jm LSHIFT 1 -> kg
+NOT cn -> co
+jp RSHIFT 2 -> jq
+jp RSHIFT 5 -> js
+1 AND io -> ip
+eo LSHIFT 15 -> es
+1 AND jj -> jk
+g AND i -> j
+ci RSHIFT 3 -> ck
+gn AND gp -> gq
+fs AND fu -> fv
+lj AND ll -> lm
+jk LSHIFT 15 -> jo
+iu RSHIFT 3 -> iw
+NOT ii -> ij
+1 AND cc -> cd
+bn RSHIFT 3 -> bp
+NOT gw -> gx
+NOT ft -> fu
+jn OR jo -> jp
+iv OR jb -> jc
+hv OR hu -> hw
+19138 -> b
+gj RSHIFT 5 -> gm
+hq AND hs -> ht
+dy RSHIFT 1 -> er
+ao OR an -> ap
+ld OR le -> lf
+bk LSHIFT 1 -> ce
+bz AND cb -> cc
+bi LSHIFT 15 -> bm
+il AND in -> io
+af AND ah -> ai
+as RSHIFT 1 -> bl
+lf RSHIFT 3 -> lh
+er OR es -> et
+NOT ax -> ay
+ci RSHIFT 1 -> db
+et AND fe -> fg
+lg OR lm -> ln
+k AND m -> n
+hz RSHIFT 2 -> ia
+kh LSHIFT 1 -> lb
+NOT ey -> ez
+NOT di -> dj
+dz OR ef -> eg
+lx -> a
+NOT iz -> ja
+gz LSHIFT 15 -> hd
+ce OR cd -> cf
+fq AND fr -> ft
+at AND az -> bb
+ha OR gz -> hb
+fp AND fv -> fx
+NOT gb -> gc
+ia AND ig -> ii
+gl OR gm -> gn
+0 -> c
+NOT ca -> cb
+bn RSHIFT 1 -> cg
+c LSHIFT 1 -> t
+iw OR ix -> iy
+kg OR kf -> kh
+dy OR ej -> ek
+km AND kn -> kp
+NOT fc -> fd
+hz RSHIFT 3 -> ib
+NOT dq -> dr
+NOT fg -> fh
+dy RSHIFT 2 -> dz
+kk RSHIFT 2 -> kl
+1 AND fi -> fj
+NOT hr -> hs
+jp RSHIFT 1 -> ki
+bl OR bm -> bn
+1 AND gy -> gz
+gr AND gt -> gu
+db OR dc -> dd
+de OR dk -> dl
+as RSHIFT 5 -> av
+lf RSHIFT 5 -> li
+hm AND ho -> hp
+cg OR ch -> ci
+gj AND gu -> gw
+ge LSHIFT 15 -> gi
+e OR f -> g
+fp OR fv -> fw
+fb AND fd -> fe
+cd LSHIFT 15 -> ch
+b RSHIFT 1 -> v
+at OR az -> ba
+bn RSHIFT 2 -> bo
+lh AND li -> lk
+dl AND dn -> do
+eg AND ei -> ej
+ex AND ez -> fa
+NOT kp -> kq
+NOT lk -> ll
+x AND ai -> ak
+jp OR ka -> kb
+NOT jd -> je
+iy AND ja -> jb
+jp RSHIFT 3 -> jr
+fo OR fz -> ga
+df OR dg -> dh
+gj RSHIFT 2 -> gk
+gj OR gu -> gv
+NOT jh -> ji
+ap LSHIFT 1 -> bj
+NOT ls -> lt
+ir LSHIFT 1 -> jl
+bn AND by -> ca
+lv LSHIFT 15 -> lz
+ba AND bc -> bd
+cy LSHIFT 15 -> dc
+ln AND lp -> lq
+x RSHIFT 1 -> aq
+gk OR gq -> gr
+NOT kx -> ky
+jg AND ji -> jj
+bn OR by -> bz
+fl LSHIFT 1 -> gf
+bp OR bq -> br
+he OR hp -> hq
+et RSHIFT 5 -> ew
+iu RSHIFT 2 -> iv
+gl AND gm -> go
+x OR ai -> aj
+hc OR hd -> he
+lg AND lm -> lo
+lh OR li -> lj
+da LSHIFT 1 -> du
+fo RSHIFT 2 -> fp
+gk AND gq -> gs
+bj OR bi -> bk
+lf OR lq -> lr
+cj AND cp -> cr
+hu LSHIFT 15 -> hy
+1 AND bh -> bi
+fo RSHIFT 3 -> fq
+NOT lo -> lp
+hw LSHIFT 1 -> iq
+dd RSHIFT 1 -> dw
+dt LSHIFT 15 -> dx
+dy AND ej -> el
+an LSHIFT 15 -> ar
+aq OR ar -> as
+1 AND r -> s
+fw AND fy -> fz
+NOT im -> in
+et RSHIFT 3 -> ev
+1 AND ds -> dt
+ec AND ee -> ef
+NOT ak -> al
+jl OR jk -> jm
+1 AND en -> eo
+lb OR la -> lc
+iu AND jf -> jh
+iu RSHIFT 5 -> ix
+bo AND bu -> bw
+cz OR cy -> da
+iv AND jb -> jd
+iw AND ix -> iz
+lf RSHIFT 1 -> ly
+iu OR jf -> jg
+NOT dm -> dn
+lw OR lv -> lx
+gg LSHIFT 1 -> ha
+lr AND lt -> lu
+fm OR fn -> fo
+he RSHIFT 3 -> hg
+aj AND al -> am
+1 AND kz -> la
+dy RSHIFT 5 -> eb
+jc AND je -> jf
+cm AND co -> cp
+gv AND gx -> gy
+ev OR ew -> ex
+jp AND ka -> kc
+fk OR fj -> fl
+dy RSHIFT 3 -> ea
+NOT bs -> bt
+NOT ag -> ah
+dz AND ef -> eh
+cf LSHIFT 1 -> cz
+NOT cv -> cw
+1 AND cx -> cy
+de AND dk -> dm
+ck AND cl -> cn
+x RSHIFT 5 -> aa
+dv LSHIFT 1 -> ep
+he RSHIFT 2 -> hf
+NOT bw -> bx
+ck OR cl -> cm
+bp AND bq -> bs
+as OR bd -> be
+he AND hp -> hr
+ev AND ew -> ey
+1 AND lu -> lv
+kk RSHIFT 3 -> km
+b AND n -> p
+NOT kc -> kd
+lc LSHIFT 1 -> lw
+km OR kn -> ko
+id AND if -> ig
+ih AND ij -> ik
+jr AND js -> ju
+ci RSHIFT 5 -> cl
+hz RSHIFT 1 -> is
+1 AND ke -> kf
+NOT gs -> gt
+aw AND ay -> az
+x RSHIFT 2 -> y
+ab AND ad -> ae
+ff AND fh -> fi
+ci AND ct -> cv
+eq LSHIFT 1 -> fk
+gj RSHIFT 3 -> gl
+u LSHIFT 1 -> ao
+NOT bb -> bc
+NOT hj -> hk
+kw AND ky -> kz
+as AND bd -> bf
+dw OR dx -> dy
+br AND bt -> bu
+kk AND kv -> kx
+ep OR eo -> eq
+he RSHIFT 1 -> hx
+ki OR kj -> kk
+NOT ju -> jv
+ek AND em -> en
+kk RSHIFT 5 -> kn
+NOT eh -> ei
+hx OR hy -> hz
+ea OR eb -> ec
+s LSHIFT 15 -> w
+fo RSHIFT 1 -> gh
+kk OR kv -> kw
+bn RSHIFT 5 -> bq
+NOT ed -> ee
+1 AND ht -> hu
+cu AND cw -> cx
+b RSHIFT 5 -> f
+kl AND kr -> kt
+iq OR ip -> ir
+ci RSHIFT 2 -> cj
+cj OR cp -> cq
+o AND q -> r
+dd RSHIFT 5 -> dg
+b RSHIFT 2 -> d
+ks AND ku -> kv
+b RSHIFT 3 -> e
+d OR j -> k
+NOT p -> q
+NOT cr -> cs
+du OR dt -> dv
+kf LSHIFT 15 -> kj
+NOT ac -> ad
+fo RSHIFT 5 -> fr
+hz OR ik -> il
+jx AND jz -> ka
+gh OR gi -> gj
+kk RSHIFT 1 -> ld
+hz RSHIFT 5 -> ic
+as RSHIFT 2 -> at
+NOT jy -> jz
+1 AND am -> an
+ci OR ct -> cu
+hg AND hh -> hj
+jq OR jw -> jx
+v OR w -> x
+la LSHIFT 15 -> le
+dh AND dj -> dk
+dp AND dr -> ds
+jq AND jw -> jy
+au OR av -> aw
+NOT bf -> bg
+z OR aa -> ab
+ga AND gc -> gd
+hz AND ik -> im
+jt AND jv -> jw
+z AND aa -> ac
+jr OR js -> jt
+hb LSHIFT 1 -> hv
+hf OR hl -> hm
+ib OR ic -> id
+fq OR fr -> fs
+cq AND cs -> ct
+ia OR ig -> ih
+dd OR do -> dp
+d AND j -> l
+ib AND ic -> ie
+as RSHIFT 3 -> au
+be AND bg -> bh
+dd AND do -> dq
+NOT l -> m
+1 AND gd -> ge
+y AND ae -> ag
+fo AND fz -> gb
+NOT ie -> if
+e AND f -> h
+x RSHIFT 3 -> z
+y OR ae -> af
+hf AND hl -> hn
+NOT h -> i
+NOT hn -> ho
+he RSHIFT 5 -> hh

2015/day7.py

@@ -0,0 +1,53 @@
+with open('day7-input', 'r') as file:
+  data = [l.strip('\n') for l in file]
+
+bin_ops = {'AND': int.__and__, 'OR': int.__or__, 'RSHIFT': int.__rshift__, 'LSHIFT': int.__lshift__}
+
+class dict_int_giver(dict):
+  def __init__(self, kvs=[], readonly=None):
+    super().__init__(kvs)
+    self.readonly = set()
+    if readonly:
+      self.readonly = set(readonly)
+  def __getitem__(self, key):
+    try:
+      return int(key.replace(',', ''))
+    except ValueError:
+      return dict.get(self, key, None)
+  def __setitem__(self, key, value):
+    if key in self.readonly:
+      return
+    dict.__setitem__(self, key, value)
+
+def run_circuit(identifiers):
+  queue = [line for line in data]
+  while queue:
+    line = queue.pop(0)
+    tokens = line.split(' ')
+    output = tokens[-1]
+    input = tokens[:-2]
+    if len(input) == 1:  # Can only be a -> b
+      i = identifiers[input[0]]
+      if i is not None:
+        identifiers[output] = i
+      else:
+        queue.append(line)
+    elif len(input) == 2:  # Can only be NOT a -> b. a must be identifier.
+      if input[1] in identifiers:
+        identifiers[output] = identifiers[input[1]] ^ 0xFFFF  # 16bit values
+      else:
+        queue.append(line)
+    elif len(input) == 3:  # Can be any of the binary operators
+      i = identifiers[input[0]]
+      j = identifiers[input[2]]
+      if i is not None and j is not None:
+        identifiers[output] = bin_ops[input[1]](i, j) & 0xFFFF
+      else:
+        queue.append(line)
+
+identifiers_1 = dict_int_giver()
+run_circuit(identifiers_1)
+print(identifiers_1['a'])  # Part 1
+identifiers_2 = dict_int_giver([ ['b', identifiers_1['a'] ] ], ['b'])
+run_circuit(identifiers_2)
+print(identifiers_2['a'])  # Part 2

2015/day8-input

@@ -0,0 +1,300 @@
+"\xa8br\x8bjr\""
+"nq"
+"zjrfcpbktjmrzgsz\xcaqsc\x03n\"huqab"
+"daz\\zyyxddpwk"
+"draes\xa2n\\g\x27ek\"lj\"\\viqych"
+"nnx\\krnrfomdnt\x2flbl\xd2xpo\"cp\"k"
+"kwdaapalq"
+"u\"ptk"
+"ckhorczuiudfjmmcc\\u\"wozqxibsfjma"
+"ydctdrxat\"pd\"lwi\"bjesevfw\xe8"
+"v\"\xa8rrzep\"\"r"
+"nbydghkfvmq\\\xe0\"lfsrsvlsj\"i\x61liif"
+"jsas\"u"
+"odipikxlo"
+"\"rnubsgwltqkbsu\"pcpcs"
+"eitk\\f\\mhcqqoym\\ji"
+"vnedc"
+"\"lhcaurdqzyjyu"
+"haxzsa\"zcn\"y\"foclgtjfcnv\"m\x68krc"
+"\"eoeggg\"tmiydvcay\"vfavc"
+"snqvyqoncwxcvwbdktoywch"
+"rnfgjsyr\xd5wacy"
+"ik\"hebrpvsts"
+"txw"
+"\x15pxtdkogd\"urbm\"gevhh\"nxr\x3erxtk"
+"cetqtcy"
+"inleep\\mgl"
+"uflwbxvww\x2cxzezqnaply\"yh\"qlllzk"
+"eepak\"xqtedzt"
+"na\x61qzfieafvyrsnwkssznohjmc"
+"yceaonylz\xc1\\jrlbbkzwsidfi"
+"ybqafngkcqpbp"
+"\xaft"
+"yidjpaobqydso"
+"ju\\ldxig\\lrdrhjcmm\x77rc"
+"tylacqeslnwj\x48ds\"tjxa"
+"efbfm"
+"\\fxkgoprgdcjgyajykg\\dtbrz"
+"eujvva"
+"h\x7acwfpikme\\vwthyvrqdnx\""
+"rbpbrxm\\\"\"\"voxx"
+"ykiw\"tkb\\lforu\"rsf\\tf\"x\"rqti"
+"e\\wh\x77aqeugiq\\ihhfqfuaij"
+"g\"t\\o"
+"nxzo\"hf\\xp"
+"dxiaqfo\xea"
+"kali\\zczhiqkqzybjj\"fgdjnik"
+"zdkgrqmdv"
+"bimxim\xb6lrwsaj\"ui\"a"
+"\"rrznitibgx\\olpsjmjqzctxaubdifsq"
+"zb\"khzixaacmhuzmlymoformipdzml"
+"qfwi"
+"hjwsxfpphttjy\"\"zixais\xbblgnqfto"
+"puj\\qmyu\"nqgaqfthbwjokbmrpbhpi"
+"cyxdpkh\\\""
+"q"
+"m"
+"tbxdzzllarlo"
+"gbtys"
+"gytilk\\vlqxvcuutjunrqc"
+"uugkvcuzan\\eyhb"
+"yaxr\"genlbgw\"\\uc"
+"nrgecjeip\\sjdvgqaqxwsqactopu"
+"pu\"r\"txpyrkfny\\zmwfneyvwmnkkdipv"
+"jm\xa3bhwvq"
+"qxojmnml\"w\x9airr"
+"xbzsuihs\x4dcedy\xaclrhgii\\\""
+"drgjirusrekrwmvxllwdm"
+"\x28hfxnfpycmpnkku\"csuf\xaarxlqyg\"x"
+"\"zvz\\rmg\"\\sxxoifffyqfyn\"iq\"ps"
+"\"z"
+"zbwkmk\"sgzos\x93gtc\""
+"bvm\x28aa\\\\\"pywuhaniox\\z\\hbp\xd7mold"
+"aszgvsyna"
+"qf\"vdwuss"
+"lnohni\"qwiacjsjegstlbfq\\kyjhyd"
+"c\\naawulxlqplnacvytspry\xf5ytxxqq"
+"razwqmsqgbaaxcd\\f"
+"radggyrjrg\"zx"
+"\"pu\x11t\\ajcjuieinlkvya"
+"veggiskh"
+"eglfhjxiet\"kouqfskwsy\"hpthsldel"
+"mv\xc1b\"f\\shrssnjwcpmurepdxdlcj"
+"dlayjd\"suvzotgdtc"
+"\xa9pvxeopn"
+"lpplsaxy\"oiwaq"
+"hqwh\\lusv"
+"hykykwlx\"\xa5atkgh\\d\x63dff"
+"vfktanpjy\"xxetc"
+"dnhwkgjnsmsswfuelvihvjl\"jtf"
+"x\"dwvzra\"nbbsewftehczgbvfzd\"rau"
+"csfi\"mzejnjqkqupwadrgti\"von"
+"xckf\xf7xsm\\pgvlpetjndpyblais\\z"
+"yecy\x6fuj\x58bwpgeuiw\"mdu"
+"fgb"
+"c\\lx\x3efthet\xfdelgvwvpem"
+"kgyrmarvfwjinlowt"
+"yzte"
+"vc\"z"
+"sxevqfzmmdwsuu\""
+"fxbaercmcy\xb6md"
+"f"
+"m\x44gqbcppho\\b"
+"gtafr\x57m\x11jy\"\"erwmmpiwjkbckuw"
+"ufdjt\"kssprzxqixzxmq\x58q"
+"yzbyo\"lfdbyaxexyfbnyv\\\xe8xmre"
+"u\x43ntr\\\\byyfjr\"iveujvnwsqbnpuvrta"
+"us\xf6bai"
+"c\\edh"
+"tzckolphexfq\\\x23\xfbdqv\\\"m"
+"yjafhbvhhj\x1b\"bplb"
+"\"o"
+"rubahvmp\""
+"qmkukrnrmqumh"
+"wdpxyvyidhwjf\\nabbijwhr\xc5bksvy\"p"
+"u\"prlpg\""
+"nsvcquyxbwilsxxemf\xd9leq"
+"y\xcetxuafl"
+"it"
+"kwdlysf\\xjpelae"
+"viwh\x58wpjjlnvryuti\x2chngrx\\nhtkui"
+"vhn\x9ehre\xc3ncsqbozms\"nl"
+"ytc\xa3mgeeogjcqavmmmd"
+"xzlexlitseozoxtpzzutfq"
+"cish\x07lmovj"
+"ekbflwqzaiivdr\"pq\\azrfbntqwkn"
+"uc\"xdbegmlmhksofzohavtrnxf"
+"xfdnrdqdrcjzbe"
+"ndg\"ckgrpisib\"rg\"p\\lmpfzlssnvk"
+"witfjwpbyyzlop"
+"zonlww\"emrbcsgdtrg\"rjzy\x64zqntlw"
+"dvgb\"zn\\vrbzema\"ckmd"
+"\\vdlmxhlvldk\"pmzazeip"
+"\"\"r"
+"rsntinv"
+"iy"
+"lr\x20efh"
+"csgexlb\"zqdavlxxhtdbh\"\"\x0fkpvhiphm"
+"ouwhp\"ogbft"
+"cm\\ckltng\"dw\x8brf\xf0eppgckd"
+"zmnlsgalhpkejsizfsbtnfliu\"nhc"
+"pnrkaayqvwpdjbhcrbb\"yfeq\"aq"
+"ozh\\hoxow\x2csrtr\\r\""
+"bqxabj\"u\\s"
+"cpsjti\"gy"
+"aa\"p\\nki\\ajijkqev"
+"q\"\"lfdentjgd\\"
+"bmokvpoebutfki"
+"pielvcbne\xf6efvzxn"
+"kx"
+"zlgmqagcrbhrwtwtmmg"
+"aiyhmntcqjbpv\xb5hhswxbryoedvos"
+"tdpaxrb"
+"fu\"\x7dttkyvhrlwko"
+"oirc\\\"cqlnqffjqt\\k"
+"edxlia\\tcyby"
+"jpeybgwfayerfrfbvfog\"ol"
+"ysr"
+"bzwzilgwfugjk"
+"tlcc\x75nukvwjgftetjcs\xaecwc"
+"dsqssa\"vzrf\"sewbp\\ahhlmhbeihlh"
+"qtgmjck\"n\"guki\"gmdivwqxismqj"
+"\"f"
+"wuorvlovucngbzdszqpikyk"
+"dfrdsacoukmgvhbq\"\"iwto"
+"\"ey\"ch\\wcgioe\\\"ouvligmsw"
+"ciqlszzgs"
+"\\tzyrkaoi\"sopjaq"
+"lmtnv"
+"ar\"fqoroigiertjjlm\"ymgi\\kkjewsxd"
+"wehcimlvudpxtamdn\"rwy"
+"hr\"zvrwthr\"vruzqfrldn\"b"
+"sggekodkiwvym\"mhsco"
+"ltlkfbrrdvk\\"
+"uut\"sfjnz\"\\ef"
+"hxilg\\"
+"zsredsiwlzrpedibn"
+"vtfi"
+"\\h"
+"qekfrc\xf6wduodbwrguqcng\\n"
+"\"lljlfdrxftwidn\\pkv\xd9ij"
+"mrvgqynpehkliuijlpp"
+"gikjph"
+"yoxcdrdt\"wbaurnyhoyxoihu"
+"onmomwuxuammbzxe"
+"rnrr\\twviz\x61gqaljr\x0dmtw"
+"r\"vupaoi"
+"l"
+"sei"
+"jwxtdtbkd\\kxd"
+"\x22v\\"
+"ahd"
+"j\"bjqxs"
+"\\i\x24gglxub\\nzsajokt"
+"lviwpu\"uxdlh\\zuy\"xqy\"ytdzlx\"r"
+"kptfmys"
+"fwxzikfhczkjwyjszqdbkepaeellc"
+"nlqpsvbrbd\\ns"
+"qryuwkjiodw\"\"vaqyq\"dmyifm"
+"tw\x15kdmaudjl\\zorhp\"alwh"
+"aatrvczesykekkjfyb\"kb"
+"usqcutbqbxxhucwxo\xc1ltb\"j\"bghjcvws"
+"ilhsrnzxkz"
+"bianqfdfdhvw"
+"hqibqs\x7ax\"qoxqoaqtcsz"
+"htxtoojbbauztwxuiq\\ngyfy\\obzc"
+"rxn\\moxlj"
+"mtus\x84erh\"dbe"
+"asx\x50huvsitcxadt"
+"\"bugggtnrc\"\"kl\"hmpu\x83hqrvhpo"
+"ewisbp\"\"vuzf\\w\x5fvalszdhl"
+"scusplpwxfnxu\x57\"zynpn\x99xerc\\ri"
+"m\\kinmkke\x0cl"
+"xhuzit\x7fd"
+"kfbo\x04\x50ruqirn"
+"t\"\"xpbdscmdoug"
+"punvpsgnbgyxe\"sptmpz"
+"bxukkazijr"
+"nxyrcdaoo\"rjkk\"wntehcvcip\"vrd"
+"rdpvqskmihqaw"
+"p\\gwdhtqnpgthod"
+"nwnuf\"\"yebycearom\"nqym\"\xd4sii\xccle"
+"alda\"ptspo\"wkkv\"zoi\"hkb\"vnntyd"
+"ixpgpfzbqv"
+"znui\"\\fzn\x03qozabh\"rva\"pv\x67"
+"e\"zswmwuk"
+"hcccygwfa"
+"ngmace\\rtyllolr\"\x68bw"
+"\\c\"jyufbry\"ryo\"xpo\x26ecninfeckh\\s"
+"hdnpngtuc\"dzbvvosn\x31fwtpzbrt"
+"hesbpd\xd4"
+"dsdbstuzrdfmrnyntufs\"dmv"
+"d\xeeibcwhcvkt"
+"fvzwrsfjdqdmy\"\"v"
+"ns\"dqafz\\lkyoflnazv\"mn\x37\"o\"yj\"e"
+"dypilgbwzccayxa\"bnmuernx"
+"q\xa9ztqrhreb\"\"kxfeyodqb"
+"iz\xa5qjxqulaawuwz\"rqmpcj\\yel"
+"z\"\\pq\"\"y\x67zpjtn"
+"ifxqvivp\"kiiftdoe"
+"jxzebj\"\x35\"qr\"ecglcutuoyywqumcs\"kk"
+"q"
+"yob\x85qmpuwexptczbkrl"
+"cjiavv\"uudpozvibyycnmxhxpxmpjoz"
+"xro\\uiqyrcid"
+"nod\\k"
+"d\"neiec"
+"tqyrqvwyvmz\\pzgzzcqsqsrgbqbtapoz"
+"r\"xvocpeuxfxslgueb\x05kzyyie\"aoec"
+"\"du\\uirlhcbgv\\cjqhfreqnvn"
+"zp\x04\x15\"pbjwhrjtmiba"
+"\\cv\""
+"k\"rwnb\\hiu\"rqd\"rc\\nyakrhly"
+"klrmafjzandiddodgz"
+"xipzhqzhvlpykzcuppx"
+"zdvrvn\xd0mtfvpylbn\\\\sxcznrzugwznl"
+"ody\\pvm\"kpjiudzhxazirgxzvumeat\"o"
+"kllvhdp\"prjikzrrc\"adgpegc\\\"gk"
+"sqtpug\xbcaauxaamw"
+"wegxxrrxdvpivrqievfeokmnojsk"
+"\\bo"
+"gijhz"
+"ylowluvabwrigssdgtxdwsiorxev\xdd"
+"\""
+"ghnsrnsqtxpygikahkrl"
+"\"rcfqkbjf\"sgxg\"vnd\\rotn"
+"ap\"smgsuexjrbuqs\"mpbstogj\"x"
+"koaunz\\sgt\"opv"
+"yialiuzwix"
+"yp\"ndxgwzml\"bt"
+"lpcjxmggfsy\\szbxccarjkqzasqkb\xcfd\x0c"
+"x"
+"mgakc"
+"vjieunoh\x73fjwx"
+"erbvv\"qulsd"
+"mimycrbfhqkarmz"
+"tihfbgcszuej\"c\xfbvoqskkhbgpaddioo"
+"mziavkwrmekriqghw"
+"izk\\tnjd\\ed\\emokvjoc"
+"c\"nhbqzndro\\g"
+"usfngdo"
+"aypljdftvptt"
+"ym\"afvq\xbcc"
+"zabi\"wjpvugwhl"
+"ebvptcjqjhc\"n\"p\"dxrphegr\\"
+"mzlqqxokhye\xd9\\rffhnzs"
+"hnipqknwpsjakanuewe"
+"rqgbfcjdrmiz\"h"
+"kzzp\\z\\txmkwaouxictybwx"
+"yzmspjkqrteiydswlvb"
+"gjpxklgpzv\"txri\\hotpuiukzzzd"
+"p\"rxergtbsxmjmkeeqwvoagnki\""
+"santipvuiq"
+"\"ihjqlhtwbuy\"hdkiv\"mtiqacnf\\"
+"oliaggtqyyx"
+"fwwnpmbb"
+"yrtdrieazfxyyneo"
+"nywbv\\"
+"twc\\ehfqxhgomgrgwpxyzmnkioj"
+"qludrkkvljljd\\xvdeum\x4e"

2015/day8.py

@@ -0,0 +1,13 @@
+with open('day8-input', 'r') as file:
+  data = [l.strip('\n') for l in file]
+
+count = 0
+for line in data:
+  count += len(line) - len(line.encode('utf-8').decode('unicode-escape')) + 2  # Overall quotes aren't removed by encoding
+print(count)  # Part 1
+
+import json
+count2 = 0
+for line in data:
+  count2 += len(json.dumps(line)) - len(line)
+print(count2)  # Part 2

2015/day9-input

@@ -0,0 +1,28 @@
+Faerun to Norrath = 129
+Faerun to Tristram = 58
+Faerun to AlphaCentauri = 13
+Faerun to Arbre = 24
+Faerun to Snowdin = 60
+Faerun to Tambi = 71
+Faerun to Straylight = 67
+Norrath to Tristram = 142
+Norrath to AlphaCentauri = 15
+Norrath to Arbre = 135
+Norrath to Snowdin = 75
+Norrath to Tambi = 82
+Norrath to Straylight = 54
+Tristram to AlphaCentauri = 118
+Tristram to Arbre = 122
+Tristram to Snowdin = 103
+Tristram to Tambi = 49
+Tristram to Straylight = 97
+AlphaCentauri to Arbre = 116
+AlphaCentauri to Snowdin = 12
+AlphaCentauri to Tambi = 18
+AlphaCentauri to Straylight = 91
+Arbre to Snowdin = 129
+Arbre to Tambi = 53
+Arbre to Straylight = 40
+Snowdin to Tambi = 15
+Snowdin to Straylight = 99
+Tambi to Straylight = 70

2015/day9.py

@@ -0,0 +1,28 @@
+with open('day9-input', 'r') as file:
+  data = [l.strip('\n') for l in file]
+
+towns = set()
+distances = {}
+def get_distance(town1, town2):
+  if town2 < town1:
+    return distances[(town2, town1)]
+  else:
+    return distances[(town1, town2)]
+def set_distance(town1, town2, value):
+  if town2 < town1:
+    distances[(town2, town1)] = value
+  else:
+    distances[(town1, town2)] = value
+
+for line in data:
+  town1, _, town2, _, distance = line.split(' ')
+  towns.add(town1)
+  towns.add(town2)
+  set_distance(town1, town2, int(distance))
+
+from itertools import permutations
+route_distances = []
+for route in permutations(towns):
+  route_distances.append(sum([get_distance(a, b) for a, b in zip(route[:-1], route[1:])]))
+print(min(route_distances))  # Part 1
+print(max(route_distances))  # Part 2

2018/day1.py

@@ -0,0 +1,13 @@
+with open('day1-input', 'r') as file:
+  data = file.readlines()
+nums = [int(d.rstrip('\n')) for d in data]
+print(sum(nums))  # Part 1 answer
+
+from itertools import cycle
+iterator = cycle(nums)
+while(True):
+  f += next(iterator)
+  if f in freqs:
+    print(f)  # Part 2 answer
+    break
+  freqs.add(f)

2018/day2-input

@@ -0,0 +1,250 @@
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2018/day2.py

@@ -0,0 +1,34 @@
+with open('day2-input') as file:
+  data = file.readlines()
+lines = [d.rstrip('\n') for d in data]
+twos = 0
+threes = 0
+for line in lines:
+  charcounts = {}
+  for c in line:
+    if c in charcounts:
+      charcounts[c] += 1
+    else:
+      charcounts[c] = 1
+  if 2 in charcounts.values():
+    twos += 1
+  if 3 in charcounts.values():
+    threes += 1
+print(twos * threes)  # Part 1
+
+def diff(s1, s2):
+  count = 0
+  common = []
+  for c1, c2 in zip(s1, s2):
+    if c1 != c2:
+      count += 1
+    else:
+      common.append(c1)
+  return count, common
+
+for i, line in enumerate(lines):
+  for line2 in lines[i:]:
+    count, common = diff(line, line2)
+    if count == 1:
+      print(line, line2, ''.join(common))  # Part 2
+      break

2018/day3.py

@@ -0,0 +1,21 @@
+with open('day3-input', 'r') as file:
+  data = [l.strip('\n') for l in file]
+
+import numpy as np
+fabric = np.zeros((1000, 1000), dtype=np.int32)
+
+for line in data:
+  tokens = line.split(' ')
+  w, h = [int(i) for i in tokens[-1].split('x')]
+  x, y = [int(i) for i in tokens[-2].rstrip(':').split(',')]
+  fabric[x:x+w, y:y+h] += 1
+
+print((fabric > 1).sum())  # Part 1
+
+for line in data:
+  tokens = line.split(' ')
+  w, h = [int(i) for i in tokens[-1].split('x')]
+  x, y = [int(i) for i in tokens[-2].rstrip(':').split(',')]
+  if fabric[x:x+w, y:y+h].sum() == w*h:
+    print(tokens[0])  # Part 2
+    break