Add day 14

3 files changed, 648 insertions, 0 deletions

diff --git a/14/a.rb b/14/a.rb
new file mode 100644
index 0000000..6dfab22
--- /dev/null
+++ b/14/a.rb
@@ -0,0 +1,41 @@
+lines = File.readlines('input.txt')
+
+one_mask = 0
+zero_mask = (1 << 36) - 1
+
+mem = Hash.new 0
+
+lines.each do |line|
+  if line.slice(0, 4) == 'mask'
+    mask = line.split(' = ')[1].strip
+    one_mask = 2
+    zero_mask = 3
+    mask.each_char do |c|
+      case c
+      when '1'
+        one_mask += 1
+      when '0'
+        zero_mask -= 1
+      end
+      one_mask *= 2
+      zero_mask *= 2
+      zero_mask += 1
+    end
+    one_mask >>= 1
+    zero_mask >>= 1
+  else
+    split = line.split(/\[|\] = /)
+    address = split[1].to_i
+    value = split[2].to_i
+    actual_value = (value & zero_mask) | one_mask
+    mem[address] = actual_value
+  end
+end
+
+sum = 0
+mem.each_value do |v|
+  sum += v
+  sum -= 1 << 36
+end
+
+puts sum
diff --git a/14/b.rb b/14/b.rb
new file mode 100644
index 0000000..e70c756
--- /dev/null
+++ b/14/b.rb
@@ -0,0 +1,58 @@
+def mask_address address, mask 
+  address.chars.zip(mask.chars).map do |bit, mask_bit|
+    case mask_bit
+    when '0'
+      bit
+    when '1'
+      '1'
+    when 'X'
+      'X'
+    end
+  end.join ''
+end
+lines = File.readlines('input.txt')
+
+mask = ''
+
+code = []
+
+lines.each do |line|
+  if line.slice(0, 4) == 'mask'
+    mask = line.split(' = ')[1].strip
+  else
+    split = line.split(/\[|\] = /)
+    address = split[1].to_i.to_s(2).rjust 36, '0'
+    value = split[2].to_i
+    code.push [mask_address(address, mask), value]
+  end
+end
+
+def enumerate_addresses address
+  first_x = address.index 'X'
+  if !first_x
+    return [address]
+  end
+  first_segment = address.slice(0, first_x)
+  rest = address.slice(first_x + 1, address.length)
+  enumerate_addresses(rest).flat_map do |a|
+    [
+      (first_segment + '0' + a),
+      (first_segment + '1' + a)
+    ]
+  end
+end
+
+mem = Hash.new 0
+code.each do |address, value|
+  addresses = enumerate_addresses address 
+  addresses.each do |a|
+    mem[a] = value
+  end
+end
+
+sum = 0
+mem.each_value do |v|
+  sum += v
+end
+
+puts sum
diff --git a/14/input.txt b/14/input.txt
new file mode 100644
index 0000000..d364e92
--- /dev/null
+++ b/14/input.txt
@@ -0,0 +1,549 @@
+mask = 11110X1XXX11001X01X00011001X00X00000
+mem[28496] = 122879146
+mem[62261] = 32295460
+mem[493] = 1117432
+mem[52235] = 813357
+mask = 1X0111001110011X1011010110X0X0000100
+mem[8994] = 14305
+mem[34732] = 37943
+mem[20855] = 1556305
+mem[13410] = 14988
+mem[32276] = 32738
+mem[2228] = 3149408
+mem[31631] = 1233
+mask = 10011X0X11XX0010X0XX00001000X000100X
+mem[37384] = 36816
+mem[50366] = 4863299
+mem[54732] = 2809
+mask = 1101101001X000001X1X11001000X1100100
+mem[54859] = 3282
+mem[28888] = 4510
+mem[1970] = 43265503
+mem[26507] = 431322090
+mem[52936] = 15708
+mask = 1001X000011001X0101111X01101001XX0X0
+mem[55315] = 1244
+mem[996] = 16606304
+mem[33560] = 51327154
+mem[62976] = 214
+mem[38483] = 1247
+mask = 1001000X0111XX1101X1X1110011X111000X
+mem[29056] = 6114031
+mem[43840] = 53837995
+mem[792] = 96146
+mem[54993] = 397780
+mem[21841] = 68218295
+mem[21807] = 247938216
+mask = 1X0110X001110011XXX10101X01X001X1101
+mem[42679] = 47607
+mem[32352] = 45087
+mem[40900] = 58663424
+mem[13233] = 890
+mem[38085] = 243713
+mem[33164] = 53393
+mask = 1X01001001110000X10101X0000X0X100001
+mem[37053] = 982127
+mem[11500] = 1038946
+mask = 10010X1X01100110101101XX10010X110X11
+mem[30594] = 89921232
+mem[14439] = 12553808
+mem[48894] = 525879475
+mem[59355] = 241595
+mem[35032] = 3037
+mem[42800] = 582558
+mem[38986] = 6250854
+mask = X001X01001X101X00X011110000101100000
+mem[21166] = 12947223
+mem[59468] = 7426127
+mem[31693] = 23713925
+mem[50226] = 1955
+mask = 1X01X010XX1X0000X11111X01010X1X00100
+mem[25586] = 11522
+mem[37651] = 9964
+mem[52236] = 3269458
+mem[25564] = 855216
+mem[13888] = 47133652
+mem[6216] = 295582935
+mem[38085] = 1030124
+mask = X1010XX0X11010000XX1000X000110X10001
+mem[37312] = 769892
+mem[44553] = 39935
+mem[8664] = 2078
+mem[38810] = 4723422
+mask = 1001000X0111001XXXX111110XXX11010X00
+mem[14168] = 440
+mem[184] = 7742149
+mem[56255] = 223802814
+mask = 100100XX011100100X0X1000X01000011100
+mem[52991] = 22485
+mem[996] = 83278
+mem[26332] = 475
+mem[32941] = 4463
+mem[32157] = 182264843
+mem[15541] = 5197
+mem[29396] = 3054
+mask = 1XX10010001X00100111111X01001X111110
+mem[58063] = 220909
+mem[64200] = 217342
+mem[62205] = 57377569
+mem[6527] = 23955
+mem[5637] = 2701
+mask = 100XXX0001X001X1X01100011000XX000011
+mem[62525] = 9958
+mem[27750] = 270520
+mem[13733] = 45389110
+mem[16216] = 865919078
+mem[13880] = 16730603
+mem[7477] = 9819
+mem[62795] = 686530
+mask = 00010101X111X01010110011000011X0X0X0
+mem[39797] = 491650
+mem[45553] = 1907
+mem[57186] = 518
+mem[33017] = 4842627
+mem[29677] = 78117467
+mask = 10X1X0000110X1110011011X1X0000001011
+mem[4908] = 932
+mem[50496] = 284837
+mem[30932] = 668
+mem[33716] = 38203
+mem[9473] = 35636204
+mask = 100X0001011X0111011111010X11100X000X
+mem[1190] = 947843
+mem[13122] = 508226085
+mem[42840] = 534125021
+mem[12720] = 9630921
+mem[15565] = 64233130
+mask = 10X1000011110000X0110X001XX101110000
+mem[45798] = 62463
+mem[9152] = 3098
+mem[21343] = 2323768
+mask = X00X0001X1110010001101X0X10111111000
+mem[62932] = 985789
+mem[184] = 27943
+mem[21343] = 6809205
+mem[27463] = 720666
+mem[31517] = 410656
+mask = X00X001010110010010X0111101X010X0000
+mem[33725] = 953827
+mem[31337] = 52073107
+mem[24780] = 3747
+mem[14664] = 2978878
+mem[54462] = 1743
+mask = 101100001X1100000011X010X01X00100X10
+mem[53968] = 2522890
+mem[48118] = 22306106
+mem[62157] = 18708031
+mask = 1001X0XX0111X01X10111X00X0011000X10X
+mem[33164] = 96936963
+mem[916] = 123092
+mem[5857] = 105415
+mask = 100X0X0011X10XX010110110110101X10XXX
+mem[17056] = 708
+mem[42735] = 56971
+mask = 01X11XX1111110101X1X00010111XX00010X
+mem[255] = 103917161
+mem[24313] = 9303
+mem[39248] = 34494
+mem[17795] = 85207
+mask = 1X1100X1X1X10010010X011010100100X000
+mem[33164] = 3447
+mem[15952] = 47594490
+mem[1993] = 11276
+mask = 1001X0100111001X011101010X11X0000101
+mem[65389] = 358768373
+mem[5922] = 21201821
+mem[38483] = 8968
+mem[24744] = 270318
+mem[44666] = 5613326
+mask = 1001X0X0XX1X0X00011XX11010101010110X
+mem[31783] = 3732
+mem[28249] = 60160
+mem[8137] = 68398
+mask = 10010000X1X10XX01011010X0X111001X000
+mem[33164] = 14211929
+mem[1157] = 39792
+mem[32624] = 79716
+mem[63222] = 21016026
+mem[59282] = 954891645
+mem[46536] = 2174620
+mem[58276] = 3285
+mask = X00100010X1X001010X111XX000111011000
+mem[45798] = 6023
+mem[45146] = 24399107
+mem[20872] = 5264
+mask = 1001000X01X1101X101X1000100X000001X0
+mem[2436] = 594
+mem[60642] = 118
+mask = XXX1XXX11111101010110XX01X1110010101
+mem[43703] = 111003459
+mem[53069] = 971
+mem[6636] = 966034
+mem[47713] = 3508879
+mask = 1001000011110110X011X11X0011000XXX00
+mem[5502] = 11044565
+mem[28161] = 102792785
+mem[37274] = 552
+mem[1025] = 556926
+mem[13079] = 1331
+mem[49077] = 379631
+mask = 10011X00111X011110X10100101X1X00X0X0
+mem[13233] = 8774064
+mem[13875] = 27148
+mem[4988] = 234997
+mem[61445] = 413
+mask = 11010010XX10100X0011X00XXX00X00100X0
+mem[33716] = 248058226
+mem[2385] = 689005228
+mem[12849] = 635348
+mem[19552] = 364123
+mem[5048] = 8581432
+mem[35793] = 125558802
+mask = X0X110000100010X10X1010101001X10X100
+mem[65018] = 2357446
+mem[8956] = 364396106
+mem[25714] = 14052
+mem[14339] = 519539
+mem[28560] = 15646102
+mem[15778] = 26031
+mem[29947] = 535619
+mask = 1101001010XX1X01X0110000X0010011X010
+mem[32112] = 3746
+mem[25979] = 687775
+mem[2874] = 560632068
+mem[8517] = 221678804
+mem[8294] = 21059
+mem[61154] = 1530796
+mem[27146] = 21164
+mask = X0110100010101101X1101000X0010X0X000
+mem[20405] = 426362
+mem[1157] = 369152539
+mask = 1X01000X011XX111011XXX110011X01X0000
+mem[37120] = 200
+mem[41360] = 6127
+mem[58276] = 7317
+mem[57680] = 32092
+mask = 1XXX000011X1011010X101101010100XX000
+mem[21718] = 15085
+mem[21468] = 1096
+mem[42143] = 180407337
+mem[42725] = 103143
+mem[26037] = 3418537
+mem[44240] = 95963584
+mask = 0XX000XX0111X0100X110XX10011101X1101
+mem[17484] = 22276
+mem[37470] = 59555570
+mask = 0X01X0XX010X11111X0101X01X01010110X1
+mem[50115] = 40783124
+mem[25094] = 589
+mem[21308] = 6670
+mem[45293] = 124853
+mem[5761] = 1573
+mask = 100100000X010000101X010000010X000X00
+mem[45798] = 5885
+mem[60733] = 66990973
+mem[19504] = 1664
+mem[917] = 26840163
+mask = 100110X1011X1010X011100010110000X10X
+mem[31631] = 13676
+mem[53968] = 10834507
+mem[30594] = 17285061
+mem[24079] = 52275785
+mem[33428] = 250814863
+mem[18370] = 7376
+mem[25322] = 2165016
+mask = X1X10XX011110X110110001X00010010X10X
+mem[62795] = 452850119
+mem[61969] = 191229
+mem[47890] = 2184
+mem[65456] = 317
+mask = 1101001X00X0X0000X11X1X1010X011000XX
+mem[60814] = 3464536
+mem[24683] = 3841479
+mem[27801] = 20001
+mem[22640] = 885
+mask = 100X00X001X1001X011110X00101X101XX01
+mem[16212] = 739746125
+mem[60733] = 56658758
+mem[21898] = 9618927
+mask = 1000XXX00100010110110011110X10XX001X
+mem[24084] = 29140570
+mem[29808] = 40803
+mem[63496] = 19816
+mem[65197] = 3728
+mask = 1X0110000X1X1111110101101000X0110X01
+mem[16116] = 1010
+mem[26150] = 31541461
+mem[35715] = 2674
+mem[38986] = 3747344
+mem[4988] = 149164
+mask = 10011X10011100X10011010X011X10001101
+mem[2241] = 3386946
+mem[4694] = 48652179
+mem[47835] = 13389799
+mem[63403] = 747876
+mem[63312] = 455292
+mem[32352] = 144809
+mem[38504] = 270482
+mask = 100110X001X0X10X10X1010111XX0110000X
+mem[51554] = 45323634
+mem[56133] = 235458
+mem[38483] = 204623
+mem[24806] = 3668
+mask = 1X01X000XX1101X1011001X10X0110110000
+mem[7796] = 1791
+mem[58913] = 6047
+mem[25120] = 38172
+mem[15065] = 418
+mem[24806] = 261219
+mem[8258] = 476
+mem[64053] = 54588494
+mask = 1X0XX0010111001X0011X011001000011000
+mem[53968] = 423903129
+mem[21349] = 2647137
+mem[31517] = 3585
+mask = 10X0X010010001X11000XX0X11000X110000
+mem[50050] = 6227
+mem[46260] = 9258
+mem[11056] = 312913
+mem[8137] = 13263
+mem[56042] = 1562420
+mem[31633] = 10828
+mask = 1001000101X10X11101100X010011001XXX0
+mem[109] = 64416
+mem[33532] = 912488995
+mem[49949] = 7342
+mask = 100100X00X11001101X110100X0101X1XX00
+mem[53652] = 762
+mem[27821] = 16182
+mem[63222] = 1973429
+mem[54488] = 1867910
+mem[47023] = 2651
+mem[22348] = 197797
+mem[47953] = 264
+mask = 01010X00010X111X100110X0110X11XX0001
+mem[49944] = 7483
+mem[48355] = 9970614
+mem[11768] = 4137531
+mem[49992] = 158624
+mask = 1X0100X0011X111X01010011011X01X11000
+mem[1453] = 1587
+mem[21358] = 518966
+mem[33663] = 36033
+mask = 1X0X101001X0010X10X111010010010XX010
+mem[30932] = 374511
+mem[42432] = 136
+mem[17842] = 2831
+mem[53043] = 24388
+mem[21652] = 1489
+mask = 10010000011XX1X01011X0X111010X01X111
+mem[4130] = 3235
+mem[5393] = 428043752
+mem[61907] = 123036862
+mask = X101X000X1110111X11X1011001X001101XX
+mem[55424] = 982
+mem[12576] = 29997
+mem[14339] = 3059
+mem[61371] = 267595737
+mem[823] = 1609
+mem[35021] = 1382
+mem[12706] = 87331694
+mask = X0011000X1X1XX111X010111XX110X110000
+mem[22424] = 279
+mem[51180] = 295550182
+mem[31115] = 1850
+mem[12301] = 73241049
+mem[33164] = 3871
+mask = 01011001X10111111X0111110001011X1X01
+mem[52398] = 201274372
+mem[55800] = 28230327
+mem[5502] = 87426428
+mask = 100100X001110XX000010000X011X11X010X
+mem[33532] = 66980
+mem[36494] = 1648
+mem[62205] = 121045
+mask = 1011X01011111X001011101111X0X0X00001
+mem[1968] = 1754627
+mem[15833] = 18240875
+mem[17309] = 198847487
+mask = X0XX00010111X01X0X111X111X1011110000
+mem[9152] = 84981
+mem[13024] = 8632028
+mem[52235] = 2771863
+mask = 010X1001010011111101110X1X111X011011
+mem[36263] = 250349
+mem[51076] = 173684668
+mem[33663] = 748056
+mem[41406] = 3701
+mem[39943] = 57465561
+mem[35274] = 274579
+mem[23794] = 1882
+mask = X0010000011100XXX1110111001001110000
+mem[53968] = 215965864
+mem[8480] = 710284
+mem[52105] = 48723601
+mem[29947] = 1008060704
+mask = 100100X00X1XXX10X01111011XX10111X010
+mem[64640] = 29613000
+mem[30909] = 1529
+mem[16737] = 2346
+mem[51743] = 17672
+mask = 1001X010XX1100X001X1X111X0X0000X1100
+mem[56016] = 5032
+mem[20653] = 54205997
+mem[42679] = 15900742
+mem[16216] = 20765
+mem[39391] = 1810
+mem[1438] = 64806160
+mask = X00100X0011X0010101100011111X0X0110X
+mem[62001] = 2293734
+mem[51570] = 27410324
+mem[31337] = 31818
+mem[33164] = 463505
+mem[6180] = 6643
+mask = 1X010010X01010X00011XXX0000X01X000X1
+mem[16186] = 127457
+mem[23827] = 140497823
+mem[14322] = 3676
+mask = 10X10000110X011XX0X1101X10X1110X1000
+mem[28416] = 109560691
+mem[48751] = 572
+mem[30535] = 179917
+mem[51179] = 6268
+mem[64835] = 12137
+mem[43669] = 736
+mem[62926] = 4115424
+mask = 1X010000010100X010X1X10000X111X10000
+mem[8480] = 2963
+mem[61456] = 513016
+mem[49992] = 709344
+mask = 11010X00011X01110X10X0X000XXX0X00000
+mem[37403] = 6499
+mem[21296] = 51167
+mem[23652] = 4199949
+mem[42179] = 48597
+mem[16348] = 1690
+mem[4036] = 93033986
+mask = 10X100XXXX111XX010111001X11100010001
+mem[23410] = 2403013
+mem[20872] = 91570
+mem[33663] = 323614
+mem[57205] = 5579
+mem[44209] = 16475050
+mask = 1000010011X101101011XX101110110110X1
+mem[41225] = 34201
+mem[26085] = 225
+mask = 1X01000X1111X0X01011100X000111XX0110
+mem[52925] = 2762745
+mem[61937] = 234765
+mem[9152] = 135872
+mem[62192] = 86367797
+mask = 100X0000110101101011010X110011X0X001
+mem[11499] = 777007112
+mem[10001] = 24795
+mask = 1001X010X1X1001001010X01X01111001101
+mem[5827] = 36
+mem[40561] = 27397
+mem[44014] = 24725086
+mem[15240] = 856132753
+mem[25486] = 122947210
+mem[10913] = 1208874
+mem[31115] = 338582297
+mask = X010000101XX10X10111X101X0X0XX111010
+mem[60347] = 925
+mem[42179] = 22624563
+mem[64211] = 115718
+mem[41056] = 101406007
+mask = 1X0100X0111101010110X0XX00X110X10X0X
+mem[3567] = 248440
+mem[43297] = 3245
+mem[56133] = 13350
+mem[19206] = 24622
+mem[17296] = 9874
+mem[4430] = 12106
+mem[13899] = 1007
+mask = 00000001X1110010XX11000111X0100X0000
+mem[18301] = 57682
+mem[5637] = 3651
+mem[4204] = 174
+mask = 10X100100111X1X0000X1000101100X1X100
+mem[64125] = 903
+mem[19166] = 874
+mem[32923] = 14459
+mem[11815] = 4710371
+mask = X10100X000101010X0111X0111000001XX01
+mem[49963] = 6202
+mem[50226] = 1293
+mem[16805] = 785963
+mem[36474] = 1712
+mem[41464] = 127690959
+mem[7796] = 229787
+mask = X001X01001XX101010111000000100000100
+mem[23141] = 395681
+mem[32112] = 16739306
+mem[51326] = 11867463
+mem[17309] = 127987
+mem[21841] = 1262419
+mem[40166] = 43597
+mask = 110100X011X010XXX0111001X001110X00XX
+mem[4577] = 37220
+mem[48751] = 759375343
+mem[61421] = 2088
+mask = 101100111011101010111X0X1X000111X1X1
+mem[59278] = 121317
+mem[12296] = 256848
+mem[5984] = 770548
+mask = 101100XX1111101X10110X011X111X010X0X
+mem[20405] = 15
+mem[52642] = 183027
+mem[41648] = 1832603
+mask = 1001001X001010000011X100001X11100X0X
+mem[7022] = 839
+mem[56720] = 17045
+mem[38260] = 107128
+mem[63473] = 44276
+mem[43] = 4895197
+mem[54588] = 63
+mask = 10X10X0XX10101101011010X0X00100X0100
+mem[1025] = 195457
+mem[38808] = 11614153
+mask = 100110X0X1X1001XXX111001001XX00X1000
+mem[18861] = 88662
+mem[39313] = 9810008
+mem[41860] = 54612
+mem[50913] = 356833256
+mem[4910] = 1969
+mask = 0X011XXX1X1X01111110101100X1001000X0
+mem[1655] = 783
+mem[36884] = 80188745
+mem[32624] = 37276
+mask = 1X00X0100100010110XX01X0101110110000
+mem[34530] = 17739279
+mem[29750] = 3920
+mem[20436] = 1163
+mask = 100000001101X000X01X0X101111XX0000X1
+mem[10993] = 525443409
+mem[30909] = 918
+mem[16631] = 5671
+mem[46190] = 1006
+mem[49551] = 563314224
+mem[3536] = 847707
+mem[65309] = 197434302
+mask = 10011010110100100X0X0111XXX111X01XX1
+mem[14662] = 32542216
+mem[36119] = 17304
+mem[52991] = 17232
+mask = 10XX0XX0011X1110X0X10X001011X0000100
+mem[47449] = 215013226
+mem[20588] = 55592
+mask = X001000001110110X01XX011X10XX0100X10
+mem[13179] = 512319
+mem[45178] = 619
+mem[14837] = 266
+mem[29808] = 4353
+mask = 10X1X0000111X11111X101X110111X11X00X
+mem[55424] = 10051
+mem[47452] = 2089
+mem[19355] = 4637532
+mem[17193] = 4322102
+mem[1569] = 22208