Add day5 problem + solution
This commit is contained in:
Joey Yakimowich-Payne
parent
51c79c64e3
commit
e989c5d9f4
4 changed files with 662 additions and 0 deletions
500
day5/input.txt
Normal file
500
day5/input.txt
Normal file
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@ -0,0 +1,500 @@
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242,601 -> 242,18
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938,357 -> 938,128
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920,574 -> 750,574
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804,978 -> 804,813
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955,932 -> 68,45
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232,604 -> 232,843
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69,570 -> 467,968
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355,432 -> 611,688
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945,19 -> 700,19
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904,932 -> 904,918
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455,65 -> 516,65
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571,485 -> 588,485
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717,142 -> 217,142
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377,344 -> 66,344
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510,818 -> 132,818
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848,709 -> 848,950
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785,50 -> 785,857
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23,981 -> 971,33
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938,45 -> 938,327
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212,402 -> 601,13
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749,142 -> 651,240
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94,930 -> 22,930
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436,467 -> 820,851
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544,265 -> 458,265
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517,708 -> 517,785
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957,893 -> 957,22
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684,610 -> 526,452
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713,687 -> 526,687
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220,781 -> 988,13
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12,45 -> 912,945
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854,677 -> 646,677
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382,498 -> 382,64
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676,879 -> 148,351
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809,52 -> 336,525
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959,951 -> 41,33
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943,162 -> 132,973
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897,732 -> 897,308
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21,196 -> 702,877
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938,972 -> 656,972
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||||
798,139 -> 90,847
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||||
213,597 -> 582,966
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||||
248,955 -> 973,230
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985,606 -> 985,885
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166,693 -> 804,693
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||||
807,897 -> 28,118
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433,306 -> 433,447
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899,61 -> 60,900
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984,582 -> 691,582
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||||
803,583 -> 910,583
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||||
348,142 -> 348,244
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||||
352,775 -> 352,430
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||||
240,285 -> 240,406
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||||
394,541 -> 394,655
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||||
887,622 -> 298,33
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||||
62,37 -> 861,836
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||||
819,136 -> 29,926
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717,332 -> 717,408
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709,63 -> 276,496
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384,441 -> 150,441
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||||
292,251 -> 557,516
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518,311 -> 52,777
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50,735 -> 479,306
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932,865 -> 139,72
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43,21 -> 982,960
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63,927 -> 796,194
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958,351 -> 958,623
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643,451 -> 35,451
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534,14 -> 459,14
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20,649 -> 924,649
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983,18 -> 35,966
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84,668 -> 203,668
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40,654 -> 748,654
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474,760 -> 85,371
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512,431 -> 272,431
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588,93 -> 112,569
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648,687 -> 832,687
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988,867 -> 116,867
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979,46 -> 94,931
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242,307 -> 800,865
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100,204 -> 807,911
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890,962 -> 88,962
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273,510 -> 273,201
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||||
184,748 -> 813,119
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214,915 -> 950,179
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||||
960,975 -> 89,104
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||||
853,347 -> 853,79
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||||
853,308 -> 884,308
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245,394 -> 245,640
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850,554 -> 604,800
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141,159 -> 141,378
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635,632 -> 897,894
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352,182 -> 550,182
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748,613 -> 748,887
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531,664 -> 255,388
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785,414 -> 432,767
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374,457 -> 653,736
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451,535 -> 444,535
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600,179 -> 434,13
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489,605 -> 845,961
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658,786 -> 658,196
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305,556 -> 305,914
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820,368 -> 204,984
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903,70 -> 548,425
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840,450 -> 796,494
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289,183 -> 768,662
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21,54 -> 950,983
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765,294 -> 209,850
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467,511 -> 703,747
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354,645 -> 730,645
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176,30 -> 964,818
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290,259 -> 345,259
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868,945 -> 96,173
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536,884 -> 536,94
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415,177 -> 415,99
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250,140 -> 466,140
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||||
900,107 -> 900,249
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||||
74,394 -> 137,394
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||||
364,957 -> 364,81
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||||
718,477 -> 718,227
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27,14 -> 988,975
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491,956 -> 154,956
|
||||
289,283 -> 289,225
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||||
479,583 -> 604,583
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||||
581,406 -> 23,964
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837,526 -> 732,526
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417,435 -> 417,206
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502,184 -> 20,666
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903,754 -> 817,668
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381,284 -> 967,870
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31,17 -> 176,17
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225,377 -> 179,377
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||||
316,932 -> 358,890
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605,841 -> 559,841
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||||
865,193 -> 865,827
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836,834 -> 142,140
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229,610 -> 232,610
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26,13 -> 872,859
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26,444 -> 26,79
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||||
272,690 -> 531,949
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964,954 -> 331,954
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||||
545,91 -> 335,91
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||||
906,942 -> 906,301
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608,778 -> 608,364
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||||
475,723 -> 475,710
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454,207 -> 614,207
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||||
200,180 -> 917,897
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||||
966,44 -> 71,939
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||||
288,252 -> 288,413
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||||
795,791 -> 66,62
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81,39 -> 588,546
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||||
249,244 -> 892,244
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||||
483,579 -> 853,579
|
||||
220,921 -> 220,286
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||||
917,834 -> 675,834
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569,692 -> 569,521
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344,586 -> 835,95
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116,153 -> 888,925
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681,52 -> 871,242
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980,976 -> 27,23
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828,567 -> 482,567
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660,432 -> 660,441
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826,379 -> 280,379
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42,839 -> 259,622
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743,23 -> 91,23
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318,400 -> 318,528
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539,745 -> 734,940
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||||
831,194 -> 831,210
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||||
582,630 -> 361,851
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284,900 -> 213,829
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52,855 -> 763,855
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215,753 -> 452,753
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290,187 -> 417,187
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69,48 -> 69,126
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76,628 -> 76,365
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257,694 -> 54,694
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755,713 -> 556,912
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519,265 -> 342,265
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||||
193,319 -> 193,651
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||||
496,231 -> 900,231
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||||
83,942 -> 83,524
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||||
524,59 -> 989,524
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288,800 -> 907,181
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||||
458,138 -> 586,138
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||||
338,244 -> 934,840
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||||
843,728 -> 843,476
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42,634 -> 657,19
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827,634 -> 369,176
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779,900 -> 779,503
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20,20 -> 870,870
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467,241 -> 467,142
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677,483 -> 501,483
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||||
10,989 -> 989,10
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11,989 -> 989,11
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244,750 -> 244,607
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479,497 -> 48,928
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372,341 -> 615,341
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817,941 -> 339,941
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352,67 -> 352,581
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590,747 -> 590,405
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524,26 -> 524,37
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501,300 -> 117,300
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265,194 -> 491,420
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397,891 -> 983,305
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423,717 -> 423,922
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197,863 -> 197,217
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12,91 -> 379,91
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364,426 -> 364,185
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649,835 -> 649,309
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517,380 -> 485,380
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||||
328,469 -> 568,469
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||||
781,298 -> 781,264
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||||
25,794 -> 25,197
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||||
570,744 -> 570,544
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||||
664,352 -> 632,320
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||||
528,944 -> 528,696
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||||
242,44 -> 900,702
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||||
486,775 -> 486,556
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||||
608,245 -> 788,245
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||||
114,11 -> 114,508
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||||
751,560 -> 751,884
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||||
211,513 -> 448,513
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389,219 -> 308,300
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638,200 -> 105,200
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258,243 -> 365,243
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||||
120,558 -> 556,122
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787,166 -> 274,166
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617,666 -> 185,234
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537,172 -> 808,172
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633,980 -> 282,980
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270,150 -> 270,225
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925,32 -> 48,909
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979,14 -> 891,102
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98,278 -> 98,485
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333,771 -> 119,771
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132,673 -> 132,189
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416,470 -> 482,404
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762,151 -> 925,151
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148,721 -> 378,491
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255,576 -> 255,474
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21,48 -> 938,965
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876,615 -> 777,615
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713,209 -> 209,209
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250,474 -> 271,453
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684,71 -> 451,71
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406,614 -> 519,501
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479,252 -> 112,252
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721,768 -> 284,331
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290,344 -> 290,111
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359,934 -> 544,934
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754,976 -> 726,976
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358,544 -> 358,904
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597,344 -> 597,581
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915,222 -> 915,255
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931,160 -> 135,956
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160,657 -> 348,657
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35,942 -> 949,28
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298,837 -> 298,356
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540,195 -> 540,119
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29,140 -> 29,955
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118,117 -> 980,979
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240,384 -> 464,608
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677,667 -> 361,351
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982,987 -> 11,16
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638,770 -> 95,227
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135,285 -> 135,349
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843,313 -> 843,529
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208,220 -> 945,957
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450,889 -> 977,362
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876,69 -> 283,69
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57,586 -> 57,231
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602,78 -> 602,564
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708,704 -> 267,704
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697,336 -> 697,264
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564,522 -> 519,567
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195,217 -> 274,138
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35,885 -> 116,804
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680,28 -> 148,28
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736,34 -> 736,616
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918,454 -> 52,454
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143,40 -> 415,40
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985,469 -> 985,282
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804,703 -> 107,703
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707,59 -> 296,470
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37,935 -> 931,41
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45,723 -> 45,531
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897,959 -> 165,227
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691,948 -> 523,948
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545,560 -> 545,45
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251,24 -> 748,521
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625,506 -> 625,626
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302,702 -> 989,15
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489,926 -> 489,507
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405,830 -> 405,871
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736,851 -> 19,134
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712,848 -> 48,184
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925,914 -> 33,22
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593,254 -> 369,478
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965,691 -> 155,691
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758,931 -> 349,522
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64,135 -> 820,891
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79,933 -> 79,683
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609,454 -> 233,454
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617,853 -> 309,545
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695,130 -> 695,578
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508,198 -> 363,198
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184,414 -> 275,505
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627,901 -> 519,901
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765,715 -> 213,715
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445,134 -> 669,134
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785,33 -> 302,516
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563,218 -> 470,125
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136,461 -> 264,461
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523,643 -> 674,643
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473,695 -> 473,235
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616,835 -> 757,976
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406,763 -> 406,224
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483,111 -> 203,111
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70,863 -> 922,11
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738,141 -> 738,54
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146,697 -> 332,883
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939,16 -> 23,932
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836,15 -> 317,534
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||||
853,586 -> 853,596
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733,377 -> 733,461
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378,597 -> 378,640
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522,225 -> 522,78
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875,886 -> 875,130
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302,83 -> 771,83
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969,588 -> 419,38
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268,159 -> 585,476
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658,955 -> 33,330
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940,149 -> 492,149
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||||
157,254 -> 962,254
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265,778 -> 265,365
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414,494 -> 608,494
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27,959 -> 948,38
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220,160 -> 220,891
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||||
836,316 -> 836,179
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843,727 -> 163,47
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225,695 -> 598,695
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678,249 -> 892,249
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938,36 -> 938,170
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190,486 -> 40,336
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815,256 -> 815,866
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961,200 -> 961,89
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67,895 -> 67,853
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480,727 -> 852,727
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334,94 -> 334,452
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67,622 -> 987,622
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48,29 -> 982,963
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90,29 -> 963,902
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859,739 -> 338,739
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869,254 -> 474,649
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||||
196,43 -> 69,43
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||||
336,439 -> 336,837
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||||
248,387 -> 587,48
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378,729 -> 162,513
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||||
699,658 -> 513,844
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||||
447,410 -> 670,410
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||||
739,593 -> 889,443
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||||
83,970 -> 964,89
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276,406 -> 276,191
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||||
860,75 -> 247,688
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||||
435,858 -> 435,905
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||||
691,893 -> 691,757
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||||
136,896 -> 611,421
|
||||
693,211 -> 477,427
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||||
181,793 -> 181,717
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||||
674,326 -> 664,336
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||||
938,826 -> 164,52
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||||
833,380 -> 833,753
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||||
833,349 -> 230,952
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||||
662,870 -> 662,23
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||||
974,511 -> 145,511
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||||
38,579 -> 57,579
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966,965 -> 966,498
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641,217 -> 240,618
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||||
418,986 -> 834,986
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||||
971,716 -> 971,263
|
||||
254,313 -> 254,823
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||||
61,790 -> 61,834
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||||
262,439 -> 262,864
|
||||
345,856 -> 894,307
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||||
736,862 -> 281,862
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||||
814,636 -> 814,240
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||||
853,865 -> 853,22
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||||
792,106 -> 207,106
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||||
647,303 -> 531,303
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||||
506,706 -> 337,706
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402,140 -> 402,958
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899,796 -> 669,796
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806,619 -> 463,276
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||||
340,347 -> 340,363
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||||
18,21 -> 979,982
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395,214 -> 395,862
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||||
228,330 -> 333,330
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||||
723,950 -> 723,150
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||||
392,298 -> 36,298
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||||
916,118 -> 114,920
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||||
210,854 -> 80,724
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||||
212,206 -> 513,507
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||||
44,659 -> 161,659
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||||
771,44 -> 198,617
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||||
485,706 -> 169,706
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||||
385,455 -> 308,455
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||||
390,317 -> 390,385
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||||
492,532 -> 56,968
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||||
237,674 -> 712,674
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||||
988,909 -> 254,175
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||||
86,276 -> 448,276
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||||
688,418 -> 927,179
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||||
667,773 -> 504,610
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||||
968,974 -> 109,115
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||||
843,54 -> 843,265
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||||
19,249 -> 19,437
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||||
307,326 -> 341,360
|
||||
531,891 -> 531,202
|
||||
281,535 -> 270,546
|
||||
503,305 -> 164,644
|
||||
170,971 -> 30,971
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||||
763,247 -> 946,247
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||||
795,920 -> 623,920
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||||
673,16 -> 899,16
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||||
785,845 -> 290,845
|
||||
68,614 -> 68,711
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||||
284,984 -> 67,984
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||||
787,942 -> 120,942
|
||||
953,369 -> 773,549
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||||
927,727 -> 315,115
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||||
884,686 -> 254,56
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||||
432,276 -> 432,287
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||||
658,99 -> 81,676
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||||
622,917 -> 679,917
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938,978 -> 938,793
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945,15 -> 369,15
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||||
603,709 -> 603,74
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||||
670,422 -> 222,870
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||||
190,702 -> 190,362
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354,349 -> 369,334
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26,880 -> 876,30
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636,31 -> 636,731
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||||
778,628 -> 778,25
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||||
23,483 -> 170,483
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23,972 -> 963,32
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725,308 -> 384,308
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||||
97,962 -> 620,962
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||||
136,929 -> 136,768
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||||
656,295 -> 851,295
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||||
125,801 -> 755,171
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||||
120,32 -> 553,32
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||||
698,196 -> 286,608
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||||
66,721 -> 66,836
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||||
931,680 -> 931,499
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||||
862,449 -> 862,743
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||||
71,143 -> 180,252
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||||
510,327 -> 612,225
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||||
932,874 -> 352,874
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||||
599,372 -> 583,372
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||||
821,770 -> 126,75
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||||
317,186 -> 495,186
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||||
557,710 -> 56,209
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||||
895,866 -> 306,277
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||||
571,948 -> 571,738
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||||
287,864 -> 243,864
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||||
802,728 -> 802,198
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||||
711,642 -> 983,642
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||||
969,922 -> 969,645
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||||
89,417 -> 57,385
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||||
567,967 -> 567,781
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||||
350,498 -> 142,498
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||||
92,931 -> 988,35
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||||
980,940 -> 152,112
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||||
55,944 -> 679,320
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||||
669,410 -> 669,679
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||||
151,431 -> 241,431
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||||
984,882 -> 80,882
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||||
431,374 -> 431,39
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||||
30,91 -> 765,826
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730,228 -> 80,878
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379,570 -> 705,570
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67,398 -> 67,136
|
||||
491,515 -> 491,344
|
||||
396,453 -> 749,453
|
||||
203,660 -> 203,579
|
||||
912,900 -> 912,280
|
||||
909,88 -> 367,88
|
||||
41,942 -> 825,158
|
||||
724,417 -> 17,417
|
||||
463,536 -> 170,536
|
||||
715,737 -> 715,134
|
||||
627,453 -> 805,453
|
||||
934,795 -> 695,556
|
||||
404,729 -> 738,729
|
||||
973,685 -> 973,310
|
||||
563,348 -> 771,556
|
||||
716,232 -> 983,232
|
||||
975,183 -> 975,759
|
||||
934,958 -> 117,958
|
||||
538,806 -> 538,84
|
||||
695,677 -> 629,677
|
||||
45
day5/p1.nim
Normal file
45
day5/p1.nim
Normal file
|
|
@ -0,0 +1,45 @@
|
|||
import os
|
||||
import std/strutils
|
||||
|
||||
type
|
||||
Point = tuple[x, y: int]
|
||||
Field = array[1000, array[1000, int]]
|
||||
|
||||
|
||||
template makeLine(field: Field, pointA: Point, pointB: Point) =
|
||||
if pointA.x == pointB.x: #vertical
|
||||
let top = min(pointA.y, pointB.y)
|
||||
let bottom = max(pointA.y, pointB.y)
|
||||
for i in top .. bottom:
|
||||
field[i][pointA.x] += 1
|
||||
elif pointA.y == pointB.y: # horizontal
|
||||
let left = min(pointA.x, pointB.x)
|
||||
let right = max(pointA.x, pointB.x)
|
||||
for i in left .. right:
|
||||
field[pointA.y][i] += 1
|
||||
|
||||
|
||||
proc main() =
|
||||
let fileName = paramStr(1)
|
||||
|
||||
var field: Field
|
||||
|
||||
for line in fileName.lines:
|
||||
let arrowSplit = line.split(" -> ")
|
||||
let leftSplit = arrowSplit[0].split(",")
|
||||
let rightSplit = arrowSplit[1].split(",")
|
||||
|
||||
let pointA: Point = (x: leftSplit[0].parseInt, y: leftSplit[1].parseInt)
|
||||
let pointB: Point = (x: rightSplit[0].parseInt, y: rightSplit[1].parseInt)
|
||||
|
||||
field.makeLine(pointA, pointB)
|
||||
|
||||
var count = 0
|
||||
for i in 0..<field.len:
|
||||
for j in 0..<field[0].len:
|
||||
if field[i][j] > 1:
|
||||
count += 1
|
||||
|
||||
echo "Count: ", count
|
||||
|
||||
main()
|
||||
52
day5/p2.nim
Normal file
52
day5/p2.nim
Normal file
|
|
@ -0,0 +1,52 @@
|
|||
import os
|
||||
import std/strutils
|
||||
|
||||
type
|
||||
Point = tuple[x, y: int]
|
||||
Field = array[1000, array[1000, int]]
|
||||
|
||||
|
||||
template makeLine(field: Field, pointA: Point, pointB: Point) =
|
||||
if pointA.x == pointB.x: #vertical
|
||||
let top = min(pointA.y, pointB.y)
|
||||
let bottom = max(pointA.y, pointB.y)
|
||||
for i in top .. bottom:
|
||||
field[i][pointA.x] += 1
|
||||
elif pointA.y == pointB.y: # horizontal
|
||||
let left = min(pointA.x, pointB.x)
|
||||
let right = max(pointA.x, pointB.x)
|
||||
for i in left .. right:
|
||||
field[pointA.y][i] += 1
|
||||
else:
|
||||
let diagonalLen = abs(pointA.y - pointB.y) + 1
|
||||
|
||||
for i in 0 ..< diagonalLen:
|
||||
let offsetX = (if (pointB.x - pointA.x) > 0: i else: -i)
|
||||
let offsetY = (if (pointB.y - pointA.y) > 0: i else: -i)
|
||||
field[pointA.y+offsetY][pointA.x+offsetX] += 1
|
||||
|
||||
|
||||
proc main() =
|
||||
let fileName = paramStr(1)
|
||||
|
||||
var field: Field
|
||||
|
||||
for line in fileName.lines:
|
||||
let arrowSplit = line.split(" -> ")
|
||||
let leftSplit = arrowSplit[0].split(",")
|
||||
let rightSplit = arrowSplit[1].split(",")
|
||||
|
||||
let pointA: Point = (x: leftSplit[0].parseInt, y: leftSplit[1].parseInt)
|
||||
let pointB: Point = (x: rightSplit[0].parseInt, y: rightSplit[1].parseInt)
|
||||
|
||||
field.makeLine(pointA, pointB)
|
||||
|
||||
var count = 0
|
||||
for i in 0..<field.len:
|
||||
for j in 0..<field[0].len:
|
||||
if field[i][j] > 1:
|
||||
count += 1
|
||||
|
||||
echo "Count: ", count
|
||||
|
||||
main()
|
||||
65
day5/prob.md
Normal file
65
day5/prob.md
Normal file
|
|
@ -0,0 +1,65 @@
|
|||
--- Day 5: Hydrothermal Venture ---
|
||||
You come across a field of hydrothermal vents on the ocean floor! These vents constantly produce large, opaque clouds, so it would be best to avoid them if possible.
|
||||
|
||||
They tend to form in lines; the submarine helpfully produces a list of nearby lines of vents (your puzzle input) for you to review. For example:
|
||||
|
||||
0,9 -> 5,9
|
||||
8,0 -> 0,8
|
||||
9,4 -> 3,4
|
||||
2,2 -> 2,1
|
||||
7,0 -> 7,4
|
||||
6,4 -> 2,0
|
||||
0,9 -> 2,9
|
||||
3,4 -> 1,4
|
||||
0,0 -> 8,8
|
||||
5,5 -> 8,2
|
||||
Each line of vents is given as a line segment in the format x1,y1 -> x2,y2 where x1,y1 are the coordinates of one end the line segment and x2,y2 are the coordinates of the other end. These line segments include the points at both ends. In other words:
|
||||
|
||||
An entry like 1,1 -> 1,3 covers points 1,1, 1,2, and 1,3.
|
||||
An entry like 9,7 -> 7,7 covers points 9,7, 8,7, and 7,7.
|
||||
For now, only consider horizontal and vertical lines: lines where either x1 = x2 or y1 = y2.
|
||||
|
||||
So, the horizontal and vertical lines from the above list would produce the following diagram:
|
||||
|
||||
.......1..
|
||||
..1....1..
|
||||
..1....1..
|
||||
.......1..
|
||||
.112111211
|
||||
..........
|
||||
..........
|
||||
..........
|
||||
..........
|
||||
222111....
|
||||
In this diagram, the top left corner is 0,0 and the bottom right corner is 9,9. Each position is shown as the number of lines which cover that point or . if no line covers that point. The top-left pair of 1s, for example, comes from 2,2 -> 2,1; the very bottom row is formed by the overlapping lines 0,9 -> 5,9 and 0,9 -> 2,9.
|
||||
|
||||
To avoid the most dangerous areas, you need to determine the number of points where at least two lines overlap. In the above example, this is anywhere in the diagram with a 2 or larger - a total of 5 points.
|
||||
|
||||
Consider only horizontal and vertical lines. At how many points do at least two lines overlap?
|
||||
|
||||
Your puzzle answer was 4993.
|
||||
|
||||
--- Part Two ---
|
||||
Unfortunately, considering only horizontal and vertical lines doesn't give you the full picture; you need to also consider diagonal lines.
|
||||
|
||||
Because of the limits of the hydrothermal vent mapping system, the lines in your list will only ever be horizontal, vertical, or a diagonal line at exactly 45 degrees. In other words:
|
||||
|
||||
An entry like 1,1 -> 3,3 covers points 1,1, 2,2, and 3,3.
|
||||
An entry like 9,7 -> 7,9 covers points 9,7, 8,8, and 7,9.
|
||||
Considering all lines from the above example would now produce the following diagram:
|
||||
|
||||
1.1....11.
|
||||
.111...2..
|
||||
..2.1.111.
|
||||
...1.2.2..
|
||||
.112313211
|
||||
...1.2....
|
||||
..1...1...
|
||||
.1.....1..
|
||||
1.......1.
|
||||
222111....
|
||||
You still need to determine the number of points where at least two lines overlap. In the above example, this is still anywhere in the diagram with a 2 or larger - now a total of 12 points.
|
||||
|
||||
Consider all of the lines. At how many points do at least two lines overlap?
|
||||
|
||||
Your puzzle answer was 21101.
|
||||
Loading…
Add table
Add a link
Reference in a new issue