commit 4da653b66769f39b7a9c169d563b23f0202c990d · hauleth.dev/advent-of-code

+500

2021/day5.txt

···

       1
       +
       445,187 -> 912,654

     

       2
       +
       820,46 -> 25,841

     

       3
       +
       216,621 -> 458,379

     

       4
       +
       955,898 -> 67,10

     

       5
       +
       549,572 -> 549,520

     

       6
       +
       796,107 -> 109,794

     

       7
       +
       729,698 -> 338,698

     

       8
       +
       11,987 -> 968,30

     

       9
       +
       381,840 -> 381,409

     

       10
       +
       80,467 -> 80,48

     

       11
       +
       132,197 -> 132,92

     

       12
       +
       343,96 -> 343,710

     

       13
       +
       42,854 -> 346,550

     

       14
       +
       503,56 -> 804,56

     

       15
       +
       599,206 -> 60,206

     

       16
       +
       702,920 -> 474,920

     

       17
       +
       496,790 -> 223,517

     

       18
       +
       969,579 -> 583,579

     

       19
       +
       897,66 -> 604,66

     

       20
       +
       484,754 -> 640,910

     

       21
       +
       330,49 -> 949,49

     

       22
       +
       908,132 -> 714,132

     

       23
       +
       517,153 -> 97,573

     

       24
       +
       317,865 -> 678,504

     

       25
       +
       800,61 -> 800,51

     

       26
       +
       179,242 -> 179,202

     

       27
       +
       529,757 -> 529,838

     

       28
       +
       288,953 -> 393,953

     

       29
       +
       372,15 -> 925,568

     

       30
       +
       100,85 -> 654,639

     

       31
       +
       663,562 -> 737,636

     

       32
       +
       576,981 -> 245,981

     

       33
       +
       347,240 -> 347,928

     

       34
       +
       91,119 -> 413,441

     

       35
       +
       637,397 -> 330,90

     

       36
       +
       534,257 -> 950,257

     

       37
       +
       155,636 -> 694,97

     

       38
       +
       539,274 -> 539,327

     

       39
       +
       329,795 -> 824,300

     

       40
       +
       103,51 -> 961,909

     

       41
       +
       87,868 -> 168,787

     

       42
       +
       21,250 -> 157,386

     

       43
       +
       591,316 -> 670,395

     

       44
       +
       722,670 -> 630,670

     

       45
       +
       28,167 -> 28,489

     

       46
       +
       480,210 -> 68,622

     

       47
       +
       573,700 -> 354,919

     

       48
       +
       186,59 -> 700,59

     

       49
       +
       121,186 -> 670,186

     

       50
       +
       797,985 -> 671,985

     

       51
       +
       836,804 -> 335,804

     

       52
       +
       701,835 -> 104,238

     

       53
       +
       456,718 -> 456,964

     

       54
       +
       694,891 -> 694,839

     

       55
       +
       205,637 -> 205,318

     

       56
       +
       40,958 -> 773,225

     

       57
       +
       151,391 -> 151,779

     

       58
       +
       693,894 -> 417,894

     

       59
       +
       418,700 -> 656,700

     

       60
       +
       196,985 -> 896,985

     

       61
       +
       357,509 -> 608,258

     

       62
       +
       552,558 -> 552,482

     

       63
       +
       184,412 -> 170,412

     

       64
       +
       122,746 -> 643,225

     

       65
       +
       268,930 -> 247,930

     

       66
       +
       979,820 -> 407,248

     

       67
       +
       755,893 -> 845,893

     

       68
       +
       706,843 -> 706,225

     

       69
       +
       162,726 -> 895,726

     

       70
       +
       140,888 -> 289,888

     

       71
       +
       614,432 -> 903,721

     

       72
       +
       272,725 -> 272,598

     

       73
       +
       529,672 -> 967,234

     

       74
       +
       903,989 -> 785,871

     

       75
       +
       422,355 -> 422,360

     

       76
       +
       313,722 -> 713,322

     

       77
       +
       460,121 -> 460,151

     

       78
       +
       55,944 -> 946,944

     

       79
       +
       795,744 -> 221,744

     

       80
       +
       816,953 -> 471,953

     

       81
       +
       865,186 -> 557,186

     

       82
       +
       94,976 -> 747,323

     

       83
       +
       302,961 -> 811,452

     

       84
       +
       361,966 -> 921,406

     

       85
       +
       197,988 -> 571,988

     

       86
       +
       310,905 -> 722,493

     

       87
       +
       699,91 -> 272,518

     

       88
       +
       295,306 -> 84,95

     

       89
       +
       220,116 -> 395,291

     

       90
       +
       183,364 -> 523,364

     

       91
       +
       16,986 -> 16,319

     

       92
       +
       54,980 -> 635,399

     

       93
       +
       340,110 -> 651,421

     

       94
       +
       788,76 -> 788,635

     

       95
       +
       933,375 -> 458,375

     

       96
       +
       12,434 -> 494,916

     

       97
       +
       253,892 -> 962,183

     

       98
       +
       240,508 -> 240,234

     

       99
       +
       763,934 -> 506,677

     

       100
       +
       308,135 -> 239,66

     

       101
       +
       117,649 -> 751,15

     

       102
       +
       95,535 -> 428,868

     

       103
       +
       16,937 -> 902,51

     

       104
       +
       547,404 -> 547,830

     

       105
       +
       128,581 -> 970,581

     

       106
       +
       959,810 -> 564,415

     

       107
       +
       971,738 -> 378,145

     

       108
       +
       919,210 -> 295,210

     

       109
       +
       737,43 -> 231,43

     

       110
       +
       82,577 -> 455,204

     

       111
       +
       821,337 -> 570,337

     

       112
       +
       688,753 -> 538,753

     

       113
       +
       891,844 -> 124,844

     

       114
       +
       74,957 -> 946,85

     

       115
       +
       43,942 -> 43,210

     

       116
       +
       100,391 -> 100,142

     

       117
       +
       975,527 -> 175,527

     

       118
       +
       510,844 -> 395,959

     

       119
       +
       558,231 -> 558,858

     

       120
       +
       839,915 -> 262,338

     

       121
       +
       784,290 -> 875,199

     

       122
       +
       644,824 -> 812,824

     

       123
       +
       899,657 -> 500,657

     

       124
       +
       263,668 -> 263,964

     

       125
       +
       157,374 -> 820,374

     

       126
       +
       530,301 -> 530,67

     

       127
       +
       15,688 -> 15,572

     

       128
       +
       216,844 -> 479,581

     

       129
       +
       973,59 -> 68,964

     

       130
       +
       104,92 -> 104,547

     

       131
       +
       421,472 -> 421,176

     

       132
       +
       887,805 -> 231,149

     

       133
       +
       140,980 -> 852,980

     

       134
       +
       248,602 -> 346,602

     

       135
       +
       334,961 -> 334,471

     

       136
       +
       892,892 -> 958,958

     

       137
       +
       270,83 -> 270,135

     

       138
       +
       950,105 -> 404,651

     

       139
       +
       979,476 -> 930,427

     

       140
       +
       416,430 -> 879,430

     

       141
       +
       796,937 -> 796,415

     

       142
       +
       670,679 -> 72,679

     

       143
       +
       733,884 -> 733,302

     

       144
       +
       745,196 -> 306,196

     

       145
       +
       174,353 -> 667,846

     

       146
       +
       285,978 -> 254,978

     

       147
       +
       10,63 -> 936,989

     

       148
       +
       242,107 -> 242,725

     

       149
       +
       238,341 -> 238,800

     

       150
       +
       975,102 -> 174,903

     

       151
       +
       530,474 -> 530,853

     

       152
       +
       931,47 -> 467,47

     

       153
       +
       86,141 -> 821,141

     

       154
       +
       263,15 -> 654,15

     

       155
       +
       688,542 -> 378,232

     

       156
       +
       826,793 -> 989,793

     

       157
       +
       729,285 -> 729,192

     

       158
       +
       587,915 -> 587,79

     

       159
       +
       548,667 -> 877,667

     

       160
       +
       15,836 -> 783,68

     

       161
       +
       662,673 -> 71,82

     

       162
       +
       312,681 -> 910,83

     

       163
       +
       760,418 -> 491,418

     

       164
       +
       175,502 -> 443,502

     

       165
       +
       817,878 -> 29,90

     

       166
       +
       798,569 -> 811,582

     

       167
       +
       703,141 -> 743,181

     

       168
       +
       941,849 -> 941,778

     

       169
       +
       63,24 -> 500,461

     

       170
       +
       697,183 -> 119,761

     

       171
       +
       705,672 -> 152,672

     

       172
       +
       150,567 -> 656,567

     

       173
       +
       158,411 -> 965,411

     

       174
       +
       702,872 -> 276,446

     

       175
       +
       141,179 -> 741,779

     

       176
       +
       533,886 -> 817,886

     

       177
       +
       569,949 -> 285,949

     

       178
       +
       699,764 -> 699,780

     

       179
       +
       333,863 -> 805,391

     

       180
       +
       861,804 -> 524,467

     

       181
       +
       791,501 -> 718,501

     

       182
       +
       976,265 -> 976,713

     

       183
       +
       129,342 -> 339,132

     

       184
       +
       322,738 -> 212,738

     

       185
       +
       700,534 -> 622,456

     

       186
       +
       68,314 -> 14,314

     

       187
       +
       146,112 -> 215,181

     

       188
       +
       170,211 -> 482,211

     

       189
       +
       159,412 -> 159,32

     

       190
       +
       312,939 -> 312,95

     

       191
       +
       232,18 -> 912,698

     

       192
       +
       950,114 -> 950,826

     

       193
       +
       620,848 -> 620,11

     

       194
       +
       624,288 -> 544,208

     

       195
       +
       752,479 -> 752,577

     

       196
       +
       784,796 -> 784,872

     

       197
       +
       130,55 -> 974,899

     

       198
       +
       434,82 -> 434,481

     

       199
       +
       988,230 -> 892,134

     

       200
       +
       159,252 -> 159,291

     

       201
       +
       462,14 -> 462,977

     

       202
       +
       553,981 -> 553,390

     

       203
       +
       231,936 -> 51,936

     

       204
       +
       58,759 -> 60,759

     

       205
       +
       572,891 -> 584,891

     

       206
       +
       705,303 -> 124,303

     

       207
       +
       144,894 -> 970,68

     

       208
       +
       865,275 -> 865,956

     

       209
       +
       492,491 -> 470,491

     

       210
       +
       971,15 -> 977,15

     

       211
       +
       750,521 -> 33,521

     

       212
       +
       913,947 -> 387,421

     

       213
       +
       368,677 -> 570,677

     

       214
       +
       795,186 -> 882,186

     

       215
       +
       404,840 -> 678,840

     

       216
       +
       187,488 -> 403,488

     

       217
       +
       824,706 -> 642,706

     

       218
       +
       330,541 -> 330,195

     

       219
       +
       564,531 -> 774,531

     

       220
       +
       271,857 -> 20,606

     

       221
       +
       976,975 -> 976,843

     

       222
       +
       323,341 -> 21,39

     

       223
       +
       575,643 -> 267,643

     

       224
       +
       827,295 -> 827,854

     

       225
       +
       749,486 -> 749,780

     

       226
       +
       656,716 -> 656,470

     

       227
       +
       635,187 -> 417,187

     

       228
       +
       503,488 -> 503,393

     

       229
       +
       592,688 -> 592,567

     

       230
       +
       515,408 -> 128,795

     

       231
       +
       608,158 -> 780,158

     

       232
       +
       677,96 -> 11,762

     

       233
       +
       127,452 -> 339,452

     

       234
       +
       117,985 -> 291,811

     

       235
       +
       157,371 -> 157,916

     

       236
       +
       640,758 -> 983,758

     

       237
       +
       906,413 -> 906,776

     

       238
       +
       224,842 -> 627,439

     

       239
       +
       903,728 -> 903,459

     

       240
       +
       358,138 -> 822,602

     

       241
       +
       30,16 -> 929,915

     

       242
       +
       440,900 -> 294,900

     

       243
       +
       809,73 -> 987,73

     

       244
       +
       55,410 -> 304,161

     

       245
       +
       441,672 -> 315,672

     

       246
       +
       939,40 -> 234,40

     

       247
       +
       334,698 -> 309,698

     

       248
       +
       572,738 -> 572,226

     

       249
       +
       445,71 -> 445,468

     

       250
       +
       225,660 -> 427,458

     

       251
       +
       390,320 -> 449,320

     

       252
       +
       507,635 -> 507,169

     

       253
       +
       47,116 -> 738,807

     

       254
       +
       127,14 -> 689,14

     

       255
       +
       316,760 -> 316,432

     

       256
       +
       831,101 -> 250,682

     

       257
       +
       370,807 -> 370,898

     

       258
       +
       678,186 -> 491,186

     

       259
       +
       866,83 -> 539,83

     

       260
       +
       518,848 -> 518,962

     

       261
       +
       188,135 -> 81,28

     

       262
       +
       378,226 -> 597,226

     

       263
       +
       646,534 -> 141,534

     

       264
       +
       275,672 -> 275,854

     

       265
       +
       67,421 -> 676,421

     

       266
       +
       386,323 -> 988,323

     

       267
       +
       903,984 -> 10,91

     

       268
       +
       37,348 -> 529,840

     

       269
       +
       872,134 -> 358,648

     

       270
       +
       42,826 -> 42,822

     

       271
       +
       688,922 -> 21,922

     

       272
       +
       47,539 -> 942,539

     

       273
       +
       739,483 -> 375,847

     

       274
       +
       23,217 -> 800,217

     

       275
       +
       589,512 -> 589,953

     

       276
       +
       292,229 -> 107,229

     

       277
       +
       873,678 -> 873,770

     

       278
       +
       794,295 -> 739,240

     

       279
       +
       464,559 -> 936,559

     

       280
       +
       685,736 -> 368,736

     

       281
       +
       114,941 -> 114,307

     

       282
       +
       571,643 -> 74,643

     

       283
       +
       281,185 -> 273,177

     

       284
       +
       497,937 -> 497,469

     

       285
       +
       152,815 -> 702,815

     

       286
       +
       76,43 -> 980,947

     

       287
       +
       272,149 -> 101,149

     

       288
       +
       934,945 -> 107,118

     

       289
       +
       532,476 -> 759,476

     

       290
       +
       955,942 -> 397,942

     

       291
       +
       31,918 -> 931,18

     

       292
       +
       790,420 -> 389,420

     

       293
       +
       36,496 -> 215,317

     

       294
       +
       252,209 -> 139,209

     

       295
       +
       704,148 -> 719,133

     

       296
       +
       413,571 -> 165,571

     

       297
       +
       690,433 -> 864,607

     

       298
       +
       976,417 -> 517,876

     

       299
       +
       803,568 -> 443,568

     

       300
       +
       335,558 -> 335,334

     

       301
       +
       405,807 -> 691,521

     

       302
       +
       194,482 -> 486,190

     

       303
       +
       377,856 -> 377,802

     

       304
       +
       313,842 -> 313,254

     

       305
       +
       449,961 -> 198,710

     

       306
       +
       197,916 -> 197,797

     

       307
       +
       82,965 -> 959,88

     

       308
       +
       371,239 -> 829,697

     

       309
       +
       471,70 -> 596,70

     

       310
       +
       835,144 -> 835,950

     

       311
       +
       283,486 -> 506,486

     

       312
       +
       147,29 -> 147,747

     

       313
       +
       187,485 -> 187,195

     

       314
       +
       781,144 -> 480,144

     

       315
       +
       801,839 -> 925,715

     

       316
       +
       415,960 -> 415,442

     

       317
       +
       877,939 -> 29,91

     

       318
       +
       22,118 -> 22,439

     

       319
       +
       460,315 -> 450,315

     

       320
       +
       982,960 -> 71,49

     

       321
       +
       105,231 -> 105,331

     

       322
       +
       98,174 -> 551,174

     

       323
       +
       721,978 -> 38,295

     

       324
       +
       167,290 -> 167,133

     

       325
       +
       218,158 -> 218,908

     

       326
       +
       819,812 -> 758,812

     

       327
       +
       123,92 -> 123,132

     

       328
       +
       66,721 -> 66,906

     

       329
       +
       478,441 -> 967,930

     

       330
       +
       284,58 -> 464,58

     

       331
       +
       958,15 -> 37,936

     

       332
       +
       310,337 -> 359,288

     

       333
       +
       212,763 -> 212,373

     

       334
       +
       101,279 -> 101,267

     

       335
       +
       622,409 -> 106,925

     

       336
       +
       318,657 -> 318,432

     

       337
       +
       938,631 -> 938,650

     

       338
       +
       142,881 -> 254,881

     

       339
       +
       848,987 -> 848,451

     

       340
       +
       686,223 -> 481,223

     

       341
       +
       124,248 -> 812,248

     

       342
       +
       246,267 -> 246,148

     

       343
       +
       96,670 -> 324,442

     

       344
       +
       645,888 -> 385,628

     

       345
       +
       417,555 -> 417,858

     

       346
       +
       543,495 -> 543,150

     

       347
       +
       73,350 -> 440,717

     

       348
       +
       459,704 -> 459,179

     

       349
       +
       871,493 -> 871,764

     

       350
       +
       911,34 -> 64,881

     

       351
       +
       544,791 -> 703,791

     

       352
       +
       447,218 -> 62,218

     

       353
       +
       202,649 -> 396,649

     

       354
       +
       935,916 -> 55,36

     

       355
       +
       124,408 -> 477,761

     

       356
       +
       608,850 -> 484,850

     

       357
       +
       935,876 -> 582,876

     

       358
       +
       377,612 -> 269,612

     

       359
       +
       413,727 -> 365,679

     

       360
       +
       64,451 -> 850,451

     

       361
       +
       684,807 -> 357,807

     

       362
       +
       323,364 -> 372,364

     

       363
       +
       887,300 -> 419,300

     

       364
       +
       837,831 -> 837,927

     

       365
       +
       294,255 -> 768,729

     

       366
       +
       878,23 -> 141,760

     

       367
       +
       36,627 -> 157,627

     

       368
       +
       824,703 -> 824,968

     

       369
       +
       356,109 -> 657,109

     

       370
       +
       799,266 -> 313,752

     

       371
       +
       71,600 -> 650,21

     

       372
       +
       564,863 -> 564,54

     

       373
       +
       36,720 -> 109,720

     

       374
       +
       318,488 -> 682,488

     

       375
       +
       249,350 -> 979,350

     

       376
       +
       560,502 -> 255,502

     

       377
       +
       132,327 -> 132,246

     

       378
       +
       287,906 -> 791,906

     

       379
       +
       818,110 -> 818,882

     

       380
       +
       937,17 -> 113,841

     

       381
       +
       50,710 -> 673,87

     

       382
       +
       702,952 -> 702,533

     

       383
       +
       666,552 -> 611,552

     

       384
       +
       612,962 -> 112,462

     

       385
       +
       260,529 -> 351,529

     

       386
       +
       440,313 -> 440,663

     

       387
       +
       605,341 -> 405,141

     

       388
       +
       277,287 -> 461,287

     

       389
       +
       268,890 -> 268,92

     

       390
       +
       764,526 -> 877,639

     

       391
       +
       165,697 -> 832,697

     

       392
       +
       240,716 -> 801,155

     

       393
       +
       872,429 -> 578,429

     

       394
       +
       88,816 -> 338,816

     

       395
       +
       981,881 -> 981,138

     

       396
       +
       457,351 -> 457,679

     

       397
       +
       850,526 -> 850,447

     

       398
       +
       139,449 -> 165,449

     

       399
       +
       127,544 -> 127,934

     

       400
       +
       160,890 -> 745,305

     

       401
       +
       526,113 -> 303,336

     

       402
       +
       17,500 -> 17,621

     

       403
       +
       796,311 -> 181,926

     

       404
       +
       260,218 -> 787,218

     

       405
       +
       536,989 -> 536,261

     

       406
       +
       257,826 -> 257,180

     

       407
       +
       531,37 -> 531,493

     

       408
       +
       961,942 -> 206,187

     

       409
       +
       536,668 -> 536,868

     

       410
       +
       154,967 -> 154,931

     

       411
       +
       808,317 -> 808,873

     

       412
       +
       487,258 -> 599,258

     

       413
       +
       59,962 -> 802,219

     

       414
       +
       322,945 -> 322,837

     

       415
       +
       378,973 -> 33,628

     

       416
       +
       668,556 -> 691,556

     

       417
       +
       819,728 -> 787,728

     

       418
       +
       484,261 -> 484,874

     

       419
       +
       333,271 -> 278,271

     

       420
       +
       733,515 -> 741,523

     

       421
       +
       775,854 -> 523,602

     

       422
       +
       67,215 -> 616,215

     

       423
       +
       951,685 -> 951,433

     

       424
       +
       372,105 -> 372,494

     

       425
       +
       917,788 -> 917,23

     

       426
       +
       890,584 -> 245,584

     

       427
       +
       748,276 -> 893,276

     

       428
       +
       733,721 -> 733,747

     

       429
       +
       225,908 -> 897,908

     

       430
       +
       437,140 -> 423,140

     

       431
       +
       456,513 -> 136,833

     

       432
       +
       413,135 -> 413,596

     

       433
       +
       143,245 -> 879,981

     

       434
       +
       870,639 -> 942,639

     

       435
       +
       28,175 -> 696,843

     

       436
       +
       393,303 -> 393,197

     

       437
       +
       169,986 -> 458,986

     

       438
       +
       43,44 -> 952,953

     

       439
       +
       236,405 -> 60,229

     

       440
       +
       266,845 -> 292,845

     

       441
       +
       529,98 -> 95,532

     

       442
       +
       95,658 -> 695,658

     

       443
       +
       368,454 -> 112,710

     

       444
       +
       506,776 -> 662,776

     

       445
       +
       928,494 -> 604,170

     

       446
       +
       179,138 -> 900,859

     

       447
       +
       45,560 -> 408,197

     

       448
       +
       655,654 -> 37,36

     

       449
       +
       56,432 -> 56,456

     

       450
       +
       844,614 -> 844,898

     

       451
       +
       240,191 -> 240,112

     

       452
       +
       639,911 -> 213,911

     

       453
       +
       47,887 -> 830,104

     

       454
       +
       57,50 -> 977,970

     

       455
       +
       899,928 -> 111,928

     

       456
       +
       962,676 -> 962,518

     

       457
       +
       129,585 -> 469,245

     

       458
       +
       988,775 -> 988,553

     

       459
       +
       417,344 -> 842,769

     

       460
       +
       468,110 -> 506,72

     

       461
       +
       687,204 -> 687,345

     

       462
       +
       828,553 -> 765,490

     

       463
       +
       75,894 -> 75,93

     

       464
       +
       26,798 -> 11,783

     

       465
       +
       967,44 -> 967,478

     

       466
       +
       240,481 -> 947,481

     

       467
       +
       794,254 -> 162,254

     

       468
       +
       502,944 -> 812,944

     

       469
       +
       331,417 -> 410,417

     

       470
       +
       850,275 -> 850,980

     

       471
       +
       671,130 -> 671,941

     

       472
       +
       240,99 -> 240,381

     

       473
       +
       771,399 -> 318,399

     

       474
       +
       946,11 -> 28,929

     

       475
       +
       731,939 -> 824,846

     

       476
       +
       268,71 -> 832,635

     

       477
       +
       968,37 -> 968,642

     

       478
       +
       935,365 -> 515,365

     

       479
       +
       199,792 -> 932,792

     

       480
       +
       32,116 -> 371,116

     

       481
       +
       324,67 -> 941,67

     

       482
       +
       453,181 -> 453,128

     

       483
       +
       958,982 -> 115,139

     

       484
       +
       962,168 -> 154,976

     

       485
       +
       474,215 -> 333,215

     

       486
       +
       458,675 -> 458,315

     

       487
       +
       577,302 -> 300,302

     

       488
       +
       704,493 -> 704,876

     

       489
       +
       887,549 -> 887,439

     

       490
       +
       81,328 -> 724,328

     

       491
       +
       575,490 -> 670,490

     

       492
       +
       576,17 -> 576,218

     

       493
       +
       21,46 -> 963,988

     

       494
       +
       532,235 -> 532,615

     

       495
       +
       796,213 -> 796,407

     

       496
       +
       55,948 -> 980,23

     

       497
       +
       775,471 -> 272,471

     

       498
       +
       26,138 -> 344,138

     

       499
       +
       635,518 -> 915,518

     

       500
       +
       727,365 -> 727,216

2021/day6.txt

···

       0

···

       1
       +
       3,5,2,5,4,3,2,2,3,5,2,3,2,2,2,2,3,5,3,5,5,2,2,3,4,2,3,5,5,3,3,5,2,4,5,4,3,5,3,2,5,4,1,1,1,5,1,4,1,4,3,5,2,3,2,2,2,5,2,1,2,2,2,2,3,4,5,2,5,4,1,3,1,5,5,5,3,5,3,1,5,4,2,5,3,3,5,5,5,3,2,2,1,1,3,2,1,2,2,4,3,4,1,3,4,1,2,2,4,1,3,1,4,3,3,1,2,3,1,3,4,1,1,2,5,1,2,1,2,4,1,3,2,1,1,2,4,3,5,1,3,2,1,3,2,3,4,5,5,4,1,3,4,1,2,3,5,2,3,5,2,1,1,5,5,4,4,4,5,3,3,2,5,4,4,1,5,1,5,5,5,2,2,1,2,4,5,1,2,1,4,5,4,2,4,3,2,5,2,2,1,4,3,5,4,2,1,1,5,1,4,5,1,2,5,5,1,4,1,1,4,5,2,5,3,1,4,5,2,1,3,1,3,3,5,5,1,4,1,3,2,2,3,5,4,3,2,5,1,1,1,2,2,5,3,4,2,1,3,2,5,3,2,2,3,5,2,1,4,5,4,4,5,5,3,3,5,4,5,5,4,3,5,3,5,3,1,3,2,2,1,4,4,5,2,2,4,2,1,4

+149 -1

2021/solutions.livemd

···

       8
        
       ## Setup

     

       9
        
       

     

       10
        
       ```elixir

     

       11
       -
       Mix.install([])

     

       0
        
       
     

       0
        
       
     

       12
        
       ```

     

       13
        
       

     

       14
        
       ## Day 1

     
···

       302
        
       ```

     

       303
        
       

     

       304
        
       ## Day 5

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0

···

       8
        
       ## Setup

     

       9
        
       

     

       10
        
       ```elixir

     

       11
       +
       Mix.install([

     

       12
       +
         {:nx, github: "elixir-nx/nx", sparse: "nx"}

     

       13
       +
       ])

     

       14
        
       ```

     

       15
        
       

     

       16
        
       ## Day 1

     
···

       304
        
       ```

     

       305
        
       

     

       306
        
       ## Day 5

     

       307
       +
       

     

       308
       +
       ```elixir

     

       309
       +
       defmodule Day5 do

     

       310
       +
         defmodule Point do

     

       311
       +
           defstruct [:x, :y]

     

       312
       +
       

     

       313
       +
           def parse(input) do

     

       314
       +
             [x, y] = String.split(input, ",")

     

       315
       +
       

     

       316
       +
             %__MODULE__{x: String.to_integer(x), y: String.to_integer(y)}

     

       317
       +
           end

     

       318
       +
         end

     

       319
       +
       

     

       320
       +
         defmodule Line do

     

       321
       +
           defstruct [:start, :finish]

     

       322
       +
       

     

       323
       +
           def new(a, b) do

     

       324
       +
             {start, finish} =

     

       325
       +
               cond do

     

       326
       +
                 a.x < b.x -> {a, b}

     

       327
       +
                 a.y < b.y -> {a, b}

     

       328
       +
                 true -> {b, a}

     

       329
       +
               end

     

       330
       +
       

     

       331
       +
             %__MODULE__{start: start, finish: finish}

     

       332
       +
           end

     

       333
       +
       

     

       334
       +
           def horizontal?(a), do: a.start.y == a.finish.y

     

       335
       +
           def vertical?(a), do: a.start.x == a.finish.x

     

       336
       +
       

     

       337
       +
           def intersect?(a, b) do

     

       338
       +
             a.start.x in b.start.x..b.finish.y and b.start.y in a.start.y..a.finish.y

     

       339
       +
           end

     

       340
       +
       

     

       341
       +
           def overlapping?(a, b) do

     

       342
       +
             {a.start.x, a.finish.x} == {b.start.x, b.finish.x} or

     

       343
       +
               {a.start.y, a.finish.y} == {b.start.y, b.start.y}

     

       344
       +
           end

     

       345
       +
       

     

       346
       +
           def orientation(a) do

     

       347
       +
             cond do

     

       348
       +
               horizontal?(a) -> :horizontal

     

       349
       +
               vertical?(a) -> :vertical

     

       350
       +
               true -> :diagonal

     

       351
       +
             end

     

       352
       +
           end

     

       353
       +
         end

     

       354
       +
       end

     

       355
       +
       

     

       356
       +
       lines =

     

       357
       +
         File.stream!("day5.txt")

     

       358
       +
         |> Stream.map(&String.trim/1)

     

       359
       +
         |> Stream.map(fn input ->

     

       360
       +
           [a, b] = String.split(input, " -> ")

     

       361
       +
       

     

       362
       +
           pa = Day5.Point.parse(a)

     

       363
       +
           pb = Day5.Point.parse(b)

     

       364
       +
       

     

       365
       +
           Day5.Line.new(pa, pb)

     

       366
       +
         end)

     

       367
       +
       

     

       368
       +
       x_min =

     

       369
       +
         lines

     

       370
       +
         |> Enum.map(& &1.start.x)

     

       371
       +
         |> Enum.min()

     

       372
       +
       

     

       373
       +
       x_max =

     

       374
       +
         lines

     

       375
       +
         |> Enum.map(& &1.finish.x)

     

       376
       +
         |> Enum.max()

     

       377
       +
       

     

       378
       +
       y_min =

     

       379
       +
         lines

     

       380
       +
         |> Enum.map(& &1.start.y)

     

       381
       +
         |> Enum.min()

     

       382
       +
       

     

       383
       +
       y_max =

     

       384
       +
         lines

     

       385
       +
         |> Enum.map(& &1.finish.y)

     

       386
       +
         |> Enum.max()

     

       387
       +
       

     

       388
       +
       {x_min, x_max, y_min, y_max}

     

       389
       +
       

     

       390
       +
       arr = Nx.iota({1000, 1000})

     

       391
       +
       

     

       392
       +
       arr = Nx.subtract(arr, arr)

     

       393
       +
       

     

       394
       +
       lines

     

       395
       +
       |> Enum.flat_map(fn a ->

     

       396
       +
         case Day5.Line.orientation(a) do

     

       397
       +
           :diagonal -> [(a.start.x - a.finish.x) / (a.start.y - a.finish.y)]

     

       398
       +
           _ -> []

     

       399
       +
         end

     

       400
       +
       end)

     

       401
       +
       ```

     

       402
       +
       

     

       403
       +
       ### Task 1

     

       404
       +
       

     

       405
       +
       ```elixir

     

       406
       +
       %{horizontal: horiz, vertical: vert} = Enum.group_by(lines, &Day5.Line.orientation/1)

     

       407
       +
       

     

       408
       +
       horiz = Enum.sort_by(horiz, &{&1.start.x, &1.start.y})

     

       409
       +
       vert = Enum.sort_by(vert, & &1.start.x)

     

       410
       +
       ```

     

       411
       +
       

     

       412
       +
       ## Day 6

     

       413
       +
       

     

       414
       +
       ```elixir

     

       415
       +
       initial = for i <- 0..8, into: %{}, do: {i, 0}

     

       416
       +
       

     

       417
       +
       counts =

     

       418
       +
         File.read!("day6.txt")

     

       419
       +
         |> String.trim()

     

       420
       +
         |> String.split(",")

     

       421
       +
         |> Enum.map(&String.to_integer/1)

     

       422
       +
         |> Enum.frequencies()

     

       423
       +
         |> Map.merge(initial, fn _, a, _ -> a end)

     

       424
       +
       ```

     

       425
       +
       

     

       426
       +
       ### Task 1

     

       427
       +
       

     

       428
       +
       ```elixir

     

       429
       +
       1..80

     

       430
       +
       |> Enum.reduce(counts, fn _, %{0 => next} = acc ->

     

       431
       +
         1..8

     

       432
       +
         |> Map.new(fn idx -> {idx - 1, acc[idx]} end)

     

       433
       +
         |> Map.update!(6, &(&1 + next))

     

       434
       +
         |> Map.put(8, next)

     

       435
       +
       end)

     

       436
       +
       |> Map.values()

     

       437
       +
       |> Enum.sum()

     

       438
       +
       ```

     

       439
       +
       

     

       440
       +
       ### Task 2

     

       441
       +
       

     

       442
       +
       ```elixir

     

       443
       +
       1..256

     

       444
       +
       |> Enum.reduce(counts, fn _, %{0 => next} = acc ->

     

       445
       +
         1..8

     

       446
       +
         |> Map.new(fn idx -> {idx - 1, acc[idx]} end)

     

       447
       +
         |> Map.update!(6, &(&1 + next))

     

       448
       +
         |> Map.put(8, next)

     

       449
       +
       end)

     

       450
       +
       |> Map.values()

     

       451
       +
       |> Enum.sum()

     

       452
       +
       ```