Day 5
This commit is contained in:
Jonathan Hodgson
parent
89a87bf95b
commit
d8448356ef
5 changed files with 687 additions and 0 deletions
10
day5/Makefile
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10
day5/Makefile
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@ -0,0 +1,10 @@
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solution-part%: solution-part%.c
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gcc $< -o $@
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test-%: solution-% example.txt
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$< example.txt
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run-%: solution-% realinput.txt
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$< realinput.txt
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.PHONY: $(patsubst %,run-%, 1 2) $(patsubst %,test-%, 1 2)
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10
day5/example.txt
Normal file
10
day5/example.txt
Normal file
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@ -0,0 +1,10 @@
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0,9 -> 5,9
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8,0 -> 0,8
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9,4 -> 3,4
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2,2 -> 2,1
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7,0 -> 7,4
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6,4 -> 2,0
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0,9 -> 2,9
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3,4 -> 1,4
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0,0 -> 8,8
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5,5 -> 8,2
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500
day5/realinput.txt
Normal file
500
day5/realinput.txt
Normal file
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@ -0,0 +1,500 @@
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682,519 -> 682,729
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852,131 -> 25,958
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303,481 -> 206,481
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199,682 -> 183,666
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363,190 -> 571,190
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930,290 -> 221,290
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364,627 -> 952,39
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234,309 -> 234,821
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130,864 -> 130,886
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462,347 -> 699,110
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375,969 -> 481,969
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989,859 -> 275,145
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221,748 -> 212,748
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870,173 -> 106,937
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604,33 -> 604,142
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780,35 -> 780,206
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636,808 -> 721,808
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944,989 -> 334,989
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477,113 -> 192,113
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879,265 -> 879,358
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754,974 -> 17,974
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10,989 -> 989,10
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337,320 -> 674,657
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225,96 -> 557,428
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129,354 -> 299,354
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717,695 -> 695,695
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94,255 -> 317,478
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90,87 -> 90,187
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77,942 -> 952,67
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804,315 -> 989,315
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619,470 -> 491,342
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466,90 -> 466,755
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840,121 -> 840,469
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638,127 -> 638,77
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844,40 -> 151,40
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653,987 -> 653,631
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195,583 -> 195,623
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88,985 -> 570,503
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921,897 -> 165,141
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230,27 -> 171,27
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737,771 -> 832,771
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563,365 -> 665,467
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942,940 -> 776,774
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12,903 -> 644,903
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308,390 -> 308,971
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572,943 -> 572,15
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104,389 -> 104,73
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346,721 -> 974,93
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30,53 -> 562,53
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804,682 -> 804,120
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952,45 -> 15,982
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475,456 -> 475,348
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409,247 -> 664,247
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345,18 -> 816,489
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571,158 -> 505,158
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59,195 -> 27,195
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230,681 -> 23,681
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258,711 -> 921,711
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658,112 -> 366,404
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842,220 -> 842,825
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815,744 -> 540,744
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192,314 -> 703,825
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869,573 -> 869,888
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603,268 -> 603,301
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816,668 -> 816,189
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148,606 -> 948,606
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117,461 -> 506,461
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986,955 -> 986,315
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131,250 -> 192,189
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988,148 -> 518,618
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682,900 -> 31,900
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652,839 -> 652,236
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466,812 -> 466,611
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881,346 -> 401,346
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229,639 -> 731,639
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104,476 -> 840,476
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10,988 -> 988,10
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29,15 -> 987,973
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825,348 -> 825,240
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989,989 -> 10,10
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430,796 -> 926,796
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49,293 -> 610,854
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325,288 -> 918,288
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625,309 -> 439,495
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536,150 -> 356,150
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834,558 -> 822,558
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315,408 -> 315,635
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257,973 -> 813,973
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713,52 -> 122,52
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323,970 -> 578,970
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447,49 -> 829,49
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941,709 -> 941,390
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148,323 -> 391,80
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23,171 -> 23,49
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475,265 -> 322,112
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506,407 -> 69,844
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567,284 -> 483,368
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114,745 -> 114,765
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392,252 -> 109,535
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65,188 -> 455,188
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732,779 -> 732,52
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233,214 -> 759,214
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232,969 -> 957,244
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20,669 -> 20,308
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49,972 -> 285,972
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501,383 -> 433,383
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918,15 -> 32,901
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255,268 -> 935,948
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757,588 -> 757,919
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530,803 -> 284,557
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688,926 -> 48,286
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331,245 -> 331,777
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448,544 -> 209,544
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10,970 -> 951,29
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233,11 -> 897,11
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145,392 -> 628,392
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935,971 -> 935,280
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169,632 -> 54,632
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155,244 -> 155,334
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56,284 -> 205,284
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553,428 -> 553,520
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977,176 -> 497,656
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323,339 -> 971,987
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616,355 -> 616,248
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72,660 -> 72,334
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644,822 -> 510,956
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356,841 -> 587,841
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413,468 -> 605,468
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85,22 -> 645,582
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924,850 -> 522,850
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448,45 -> 345,148
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102,566 -> 551,566
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80,39 -> 847,806
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936,436 -> 934,436
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53,24 -> 495,466
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234,173 -> 282,173
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145,680 -> 456,680
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960,759 -> 960,282
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984,814 -> 308,138
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398,808 -> 716,808
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509,536 -> 25,52
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289,777 -> 803,263
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766,892 -> 257,892
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301,733 -> 688,733
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24,109 -> 887,972
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180,32 -> 577,429
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985,801 -> 687,503
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901,582 -> 586,582
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50,56 -> 50,267
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344,373 -> 437,373
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542,133 -> 905,496
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420,624 -> 420,716
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645,106 -> 645,574
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356,37 -> 114,37
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324,919 -> 357,919
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126,797 -> 120,797
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288,689 -> 435,836
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93,915 -> 639,369
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106,391 -> 478,19
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277,501 -> 714,64
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253,277 -> 643,277
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568,972 -> 350,972
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213,235 -> 213,406
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595,888 -> 595,233
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577,63 -> 37,603
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649,732 -> 931,732
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469,892 -> 549,892
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953,895 -> 953,457
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222,213 -> 290,213
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841,800 -> 841,336
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685,143 -> 25,143
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441,127 -> 441,146
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646,586 -> 56,586
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698,122 -> 465,122
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641,502 -> 641,240
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111,91 -> 185,91
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927,755 -> 874,808
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108,151 -> 108,567
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309,453 -> 309,210
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890,657 -> 491,657
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404,244 -> 404,123
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939,28 -> 26,941
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596,970 -> 596,870
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489,556 -> 489,589
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607,621 -> 903,325
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912,284 -> 571,284
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921,702 -> 743,524
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719,36 -> 719,394
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100,905 -> 798,207
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316,260 -> 316,887
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799,940 -> 885,940
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835,287 -> 199,923
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422,760 -> 64,760
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727,113 -> 727,679
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733,56 -> 59,730
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141,399 -> 485,743
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769,629 -> 769,797
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62,486 -> 62,205
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192,332 -> 800,332
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15,931 -> 727,931
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854,915 -> 988,915
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349,610 -> 886,610
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72,110 -> 72,903
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955,110 -> 78,987
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591,553 -> 591,428
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708,467 -> 516,467
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397,589 -> 353,589
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930,336 -> 930,532
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639,50 -> 228,50
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472,17 -> 472,244
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420,825 -> 420,562
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203,197 -> 203,35
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984,964 -> 223,203
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944,269 -> 935,260
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933,119 -> 87,965
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696,290 -> 696,580
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925,960 -> 52,87
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451,470 -> 235,254
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562,71 -> 562,149
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405,126 -> 405,67
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356,424 -> 356,673
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859,649 -> 859,291
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210,651 -> 210,544
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403,783 -> 403,122
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672,87 -> 586,87
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409,668 -> 984,668
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917,352 -> 511,758
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395,953 -> 141,953
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152,795 -> 152,313
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839,344 -> 811,372
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114,649 -> 650,649
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60,517 -> 60,27
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448,392 -> 845,392
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33,849 -> 719,163
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151,988 -> 876,988
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805,556 -> 124,556
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361,538 -> 706,193
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974,941 -> 141,108
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271,813 -> 968,116
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500,697 -> 80,277
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586,731 -> 586,480
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128,147 -> 174,101
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882,681 -> 882,745
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531,730 -> 677,730
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989,11 -> 11,989
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74,332 -> 234,492
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360,326 -> 932,898
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136,288 -> 113,311
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666,645 -> 916,895
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977,478 -> 561,62
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20,83 -> 566,83
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331,942 -> 331,646
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180,291 -> 405,291
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637,763 -> 637,941
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120,138 -> 120,820
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951,24 -> 14,961
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204,304 -> 204,51
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84,168 -> 880,168
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955,145 -> 955,903
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437,427 -> 437,354
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875,67 -> 189,753
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46,767 -> 802,11
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52,59 -> 889,896
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926,56 -> 102,880
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500,30 -> 964,30
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329,488 -> 329,972
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63,11 -> 889,837
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707,168 -> 707,584
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580,10 -> 735,10
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105,620 -> 105,110
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187,531 -> 323,531
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82,947 -> 82,941
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737,199 -> 737,851
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612,650 -> 217,650
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971,15 -> 82,904
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16,590 -> 506,100
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950,877 -> 832,759
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570,470 -> 570,276
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213,411 -> 213,195
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670,755 -> 89,755
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906,963 -> 906,984
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458,463 -> 442,463
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956,969 -> 10,23
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87,215 -> 195,107
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819,454 -> 819,467
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594,793 -> 686,793
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395,724 -> 787,332
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315,461 -> 644,461
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448,247 -> 249,48
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620,302 -> 247,675
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607,134 -> 932,134
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312,776 -> 312,289
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850,942 -> 54,146
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31,538 -> 851,538
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729,126 -> 640,126
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702,199 -> 702,706
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402,783 -> 254,783
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110,59 -> 203,59
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27,10 -> 965,948
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747,261 -> 47,261
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628,742 -> 972,742
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712,742 -> 657,797
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877,871 -> 877,758
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665,313 -> 449,529
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498,157 -> 498,68
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870,922 -> 27,79
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856,697 -> 856,429
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447,271 -> 963,787
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495,302 -> 495,520
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526,47 -> 721,47
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826,179 -> 826,741
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565,461 -> 893,461
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512,328 -> 127,328
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487,920 -> 522,920
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614,452 -> 614,146
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331,574 -> 331,840
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985,79 -> 285,779
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812,320 -> 985,320
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118,69 -> 429,69
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644,525 -> 644,878
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271,132 -> 156,132
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955,782 -> 565,392
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630,939 -> 630,372
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51,203 -> 840,203
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202,490 -> 202,479
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579,868 -> 579,92
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979,336 -> 979,623
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843,865 -> 260,282
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685,872 -> 685,503
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721,193 -> 721,510
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908,661 -> 908,955
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19,950 -> 715,254
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233,730 -> 233,101
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922,954 -> 27,954
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399,444 -> 399,403
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380,712 -> 380,718
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238,264 -> 849,875
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458,577 -> 458,139
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418,244 -> 469,295
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460,375 -> 964,879
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276,445 -> 815,445
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463,910 -> 648,725
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26,384 -> 968,384
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955,385 -> 955,143
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942,775 -> 733,566
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425,326 -> 531,326
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364,545 -> 364,873
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182,759 -> 182,819
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390,757 -> 390,475
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217,417 -> 217,157
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669,286 -> 65,890
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257,11 -> 257,858
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557,397 -> 557,20
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888,946 -> 32,90
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971,938 -> 971,578
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874,248 -> 874,485
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87,268 -> 87,135
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756,679 -> 103,26
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771,250 -> 771,107
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320,711 -> 967,711
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293,219 -> 293,706
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103,565 -> 103,538
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388,256 -> 388,261
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||||
468,953 -> 503,953
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424,142 -> 287,142
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24,930 -> 850,930
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316,167 -> 316,161
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481,421 -> 208,148
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938,926 -> 938,933
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701,653 -> 701,780
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536,390 -> 536,559
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40,954 -> 829,165
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404,985 -> 247,985
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94,628 -> 94,500
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||||
441,637 -> 441,271
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766,946 -> 97,277
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428,363 -> 428,37
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542,694 -> 542,347
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11,16 -> 979,984
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938,651 -> 632,957
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779,127 -> 243,663
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636,294 -> 636,787
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533,744 -> 636,641
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||||
521,950 -> 458,950
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988,12 -> 18,982
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954,621 -> 954,271
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||||
638,951 -> 813,951
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822,911 -> 632,911
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714,849 -> 512,849
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696,88 -> 385,88
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||||
65,451 -> 65,687
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||||
976,973 -> 976,907
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||||
368,489 -> 368,571
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||||
358,831 -> 690,499
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||||
436,704 -> 178,704
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||||
690,619 -> 606,535
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||||
96,701 -> 358,701
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||||
885,562 -> 420,562
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||||
581,480 -> 613,512
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||||
44,970 -> 970,44
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||||
216,796 -> 892,120
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||||
72,623 -> 72,72
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||||
896,283 -> 896,326
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||||
794,195 -> 22,967
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||||
134,326 -> 134,889
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||||
420,141 -> 944,665
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||||
941,194 -> 941,421
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940,525 -> 298,525
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||||
653,300 -> 769,300
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227,424 -> 406,603
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275,850 -> 113,850
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648,850 -> 92,850
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638,389 -> 638,10
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379,404 -> 584,609
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833,931 -> 833,520
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772,286 -> 500,558
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372,262 -> 333,262
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689,18 -> 131,576
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687,499 -> 687,188
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344,499 -> 37,806
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778,496 -> 134,496
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938,87 -> 344,681
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788,401 -> 479,401
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828,903 -> 756,903
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423,625 -> 285,763
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218,489 -> 218,819
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488,384 -> 891,787
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817,532 -> 788,532
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512,27 -> 512,149
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369,794 -> 54,794
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534,590 -> 827,883
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84,310 -> 39,265
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357,545 -> 665,545
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539,807 -> 539,781
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378,683 -> 22,327
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71,909 -> 943,37
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740,552 -> 348,552
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698,315 -> 45,968
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516,835 -> 360,835
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629,141 -> 629,385
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695,908 -> 303,908
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795,707 -> 386,707
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211,397 -> 291,397
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64,620 -> 236,620
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97,638 -> 97,445
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46,103 -> 893,950
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468,122 -> 979,122
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810,486 -> 433,486
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532,899 -> 461,970
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232,60 -> 235,60
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549,708 -> 549,90
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294,978 -> 294,124
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865,406 -> 640,406
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755,305 -> 664,305
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12,989 -> 987,14
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275,249 -> 260,234
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502,783 -> 67,783
|
||||
863,938 -> 297,372
|
||||
516,961 -> 516,272
|
||||
67,510 -> 611,510
|
||||
980,951 -> 312,283
|
||||
325,512 -> 325,169
|
||||
142,429 -> 542,29
|
||||
273,964 -> 822,964
|
||||
370,217 -> 508,217
|
||||
131,131 -> 331,331
|
||||
734,824 -> 734,817
|
||||
75,89 -> 687,701
|
||||
155,255 -> 702,802
|
||||
577,395 -> 130,395
|
||||
684,94 -> 555,94
|
||||
393,881 -> 173,881
|
||||
894,750 -> 773,750
|
||||
380,269 -> 380,338
|
||||
427,36 -> 427,77
|
||||
637,107 -> 637,846
|
||||
53,437 -> 53,221
|
||||
128,979 -> 960,147
|
||||
838,211 -> 838,645
|
||||
898,39 -> 849,39
|
||||
862,495 -> 951,495
|
||||
754,406 -> 76,406
|
||||
951,960 -> 113,122
|
||||
830,125 -> 15,940
|
||||
190,117 -> 190,973
|
||||
192,956 -> 718,430
|
||||
895,162 -> 88,969
|
||||
135,196 -> 70,131
|
||||
578,642 -> 578,789
|
||||
713,268 -> 625,268
|
||||
938,719 -> 938,604
|
||||
30,863 -> 99,863
|
||||
844,309 -> 287,309
|
||||
131,837 -> 459,509
|
||||
61,206 -> 722,867
|
||||
95,974 -> 283,974
|
||||
746,672 -> 558,672
|
||||
552,32 -> 352,32
|
||||
21,637 -> 21,781
|
||||
945,847 -> 945,303
|
||||
77
day5/solution-part1.c
Normal file
77
day5/solution-part1.c
Normal file
|
|
@ -0,0 +1,77 @@
|
|||
#include <stdio.h>
|
||||
#include <stdbool.h>
|
||||
#include <string.h>
|
||||
|
||||
#define MAX(a, b) ((a) < (b) ? (b) : (a))
|
||||
#define MIN(a, b) ((a) < (b) ? (a) : (b))
|
||||
|
||||
void printGrid(unsigned int maxx, unsigned int maxy, unsigned int grid[maxx+1][maxy+1]){
|
||||
for( unsigned int y = 0; y <= maxy; y++ ){
|
||||
for( unsigned int x = 0; x <= maxx; x++ ){
|
||||
printf("%3i", grid[x][y]);
|
||||
}
|
||||
printf("\n");
|
||||
}
|
||||
}
|
||||
|
||||
int main( int argc, char *argv[] ){
|
||||
if( argc == 2 ) {
|
||||
|
||||
|
||||
FILE *fp=fopen(argv[1], "r");
|
||||
|
||||
unsigned int maxx=0, maxy=0;
|
||||
|
||||
while (!feof (fp)){
|
||||
unsigned int x1=0,x2=0,y1=0,y2=0;
|
||||
|
||||
fscanf(fp, "%i,%i -> %i,%i\n", &x1,&y1,&x2,&y2);
|
||||
|
||||
maxx= MAX( maxx, MAX( x1, x2 ) );
|
||||
maxy= MAX( maxy, MAX( y1, y2 ) );
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
unsigned int grid[maxx+1][maxy+1];
|
||||
memset( &grid, 0, (maxx+1)*(maxy+1)*sizeof(int) );
|
||||
|
||||
rewind(fp);
|
||||
|
||||
unsigned int cellsWithOverlap=0;
|
||||
|
||||
while (!feof (fp)){
|
||||
unsigned int x1=0,x2=0,y1=0,y2=0;
|
||||
|
||||
fscanf(fp, "%i,%i -> %i,%i\n", &x1,&y1,&x2,&y2);
|
||||
|
||||
|
||||
if ( x1 == x2 ){
|
||||
for( unsigned int y = MIN(y1,y2); y<=MAX(y1,y2); y++ )
|
||||
if ( 1 == grid[x1][y]++) cellsWithOverlap++;
|
||||
}
|
||||
|
||||
if ( y1 == y2 ){
|
||||
for( unsigned int x = MIN(x1,x2); x<=MAX(x1,x2); x++ )
|
||||
if ( 1 == grid[x][y1]++) cellsWithOverlap++;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
printf("%i cells with overlap\n", cellsWithOverlap);
|
||||
|
||||
|
||||
|
||||
fclose(fp);
|
||||
|
||||
|
||||
|
||||
|
||||
return 0;
|
||||
} else {
|
||||
printf("You need to provide a file\n");
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
90
day5/solution-part2.c
Normal file
90
day5/solution-part2.c
Normal file
|
|
@ -0,0 +1,90 @@
|
|||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
|
||||
#define MAX(a, b) ((a) < (b) ? (b) : (a))
|
||||
#define MIN(a, b) ((a) < (b) ? (a) : (b))
|
||||
|
||||
void printGrid(unsigned int maxx, unsigned int maxy, unsigned int grid[maxx+1][maxy+1]){
|
||||
for( unsigned int y = 0; y <= maxy; y++ ){
|
||||
for( unsigned int x = 0; x <= maxx; x++ ){
|
||||
printf("%3i", grid[x][y]);
|
||||
}
|
||||
printf("\n");
|
||||
}
|
||||
}
|
||||
|
||||
int main( int argc, char *argv[] ){
|
||||
if( argc == 2 ) {
|
||||
|
||||
|
||||
FILE *fp=fopen(argv[1], "r");
|
||||
|
||||
unsigned int maxx=0, maxy=0;
|
||||
|
||||
while (!feof (fp)){
|
||||
int x1=0,x2=0,y1=0,y2=0;
|
||||
|
||||
fscanf(fp, "%i,%i -> %i,%i\n", &x1,&y1,&x2,&y2);
|
||||
|
||||
maxx= MAX( maxx, MAX( x1, x2 ) );
|
||||
maxy= MAX( maxy, MAX( y1, y2 ) );
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
unsigned int grid[maxx+1][maxy+1];
|
||||
memset( &grid, 0, (maxx+1)*(maxy+1)*sizeof(int) );
|
||||
|
||||
rewind(fp);
|
||||
|
||||
unsigned int cellsWithOverlap=0;
|
||||
|
||||
unsigned int iteration = 0;
|
||||
while (!feof (fp)){
|
||||
int x1=0,x2=0,y1=0,y2=0;
|
||||
|
||||
fscanf(fp, "%i,%i -> %i,%i\n", &x1,&y1,&x2,&y2);
|
||||
|
||||
//printf("Iteration: %i\n", iteration);
|
||||
|
||||
|
||||
if ( x1 == x2 ){ // Virtical lines
|
||||
for( unsigned int y = MIN(y1,y2); y<=MAX(y1,y2); y++ )
|
||||
if ( 1 == grid[x1][y]++) cellsWithOverlap++;
|
||||
} else if ( y1 == y2 ){ // Horisontal lines
|
||||
for( unsigned int x = MIN(x1,x2); x<=MAX(x1,x2); x++ )
|
||||
if ( 1 == grid[x][y1]++) cellsWithOverlap++;
|
||||
} else { // Diaganal lines
|
||||
// Since we know all diagonals are 45 deg we only need to worry about if this is 1 or -1
|
||||
int dx = (x2 - x1) / abs(x2 - x1);
|
||||
int dy = (y2 - y1) / abs(y2 - y1);
|
||||
for (unsigned int i = 0; i <= MAX(x1,x2) - MIN(x1,x2); i++){
|
||||
unsigned int x = x1 + ( dx * i );
|
||||
unsigned int y = y1 + ( dy * i );
|
||||
if ( 1 == grid[x][y]++) cellsWithOverlap++;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
iteration++;
|
||||
}
|
||||
|
||||
printf("%i cells with overlap\n", cellsWithOverlap);
|
||||
|
||||
|
||||
//printGrid(maxx, maxy, grid);
|
||||
|
||||
fclose(fp);
|
||||
|
||||
|
||||
|
||||
|
||||
return 0;
|
||||
} else {
|
||||
printf("You need to provide a file\n");
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue