Woo! Getting better at this
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "d05"
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version = "0.1.0"
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[package]
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name = "d05"
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version = "0.1.0"
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edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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@ -0,0 +1,500 @@
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911,808 -> 324,221
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161,890 -> 808,243
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174,59 -> 174,760
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983,983 -> 10,10
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321,12 -> 870,12
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66,936 -> 941,61
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670,141 -> 670,550
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783,935 -> 496,648
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973,651 -> 635,989
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535,47 -> 535,154
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355,183 -> 754,582
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172,111 -> 892,111
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353,66 -> 907,620
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741,960 -> 741,805
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113,895 -> 946,895
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777,280 -> 563,280
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679,815 -> 626,815
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651,848 -> 651,673
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205,834 -> 205,599
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895,118 -> 82,931
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685,303 -> 93,895
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973,38 -> 62,949
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867,23 -> 867,300
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784,947 -> 784,47
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96,168 -> 755,827
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909,321 -> 909,716
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59,881 -> 692,881
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964,19 -> 69,914
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752,869 -> 67,184
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974,877 -> 138,41
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432,389 -> 137,684
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458,822 -> 458,402
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818,852 -> 308,342
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882,484 -> 441,925
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82,959 -> 976,65
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117,487 -> 117,429
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214,673 -> 429,673
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72,955 -> 72,829
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587,109 -> 587,368
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576,17 -> 576,872
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685,102 -> 685,905
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563,394 -> 716,394
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966,145 -> 150,961
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555,582 -> 555,385
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453,31 -> 453,207
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639,815 -> 547,723
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431,869 -> 431,811
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646,938 -> 599,938
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215,513 -> 900,513
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809,82 -> 798,82
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768,344 -> 244,868
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39,962 -> 39,601
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675,186 -> 61,186
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861,967 -> 28,967
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860,550 -> 538,550
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283,740 -> 571,740
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72,297 -> 72,645
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727,801 -> 727,526
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799,519 -> 799,497
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915,24 -> 174,765
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795,943 -> 136,943
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518,971 -> 599,971
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594,676 -> 594,461
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850,799 -> 363,799
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958,575 -> 958,231
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752,576 -> 398,576
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891,433 -> 398,433
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524,126 -> 397,126
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10,890 -> 796,104
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57,228 -> 168,228
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168,521 -> 338,691
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230,83 -> 777,83
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865,677 -> 640,452
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866,821 -> 825,821
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17,143 -> 17,596
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113,916 -> 113,601
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268,187 -> 551,470
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794,167 -> 220,167
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459,17 -> 459,931
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211,31 -> 526,31
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680,57 -> 756,57
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926,190 -> 926,800
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85,284 -> 63,284
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44,988 -> 44,701
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110,941 -> 176,941
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480,163 -> 480,112
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574,538 -> 574,371
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584,473 -> 69,473
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303,621 -> 303,380
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762,652 -> 762,89
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286,195 -> 276,185
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957,87 -> 217,827
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561,858 -> 561,437
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384,55 -> 81,55
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19,977 -> 981,15
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454,747 -> 938,263
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425,836 -> 425,617
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860,135 -> 775,50
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633,131 -> 633,651
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904,912 -> 242,250
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880,177 -> 480,577
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470,162 -> 964,656
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585,376 -> 585,470
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696,760 -> 594,862
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534,225 -> 534,717
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258,816 -> 258,847
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990,244 -> 990,93
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463,462 -> 463,533
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434,928 -> 537,825
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813,734 -> 533,734
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498,673 -> 395,673
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564,312 -> 55,312
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280,550 -> 939,550
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591,247 -> 396,52
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127,516 -> 127,235
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850,425 -> 552,127
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894,428 -> 894,598
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366,960 -> 592,960
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579,488 -> 170,488
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775,92 -> 775,586
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49,909 -> 930,28
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856,113 -> 284,685
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263,175 -> 120,175
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332,592 -> 276,592
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920,157 -> 141,157
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349,776 -> 316,776
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187,863 -> 279,863
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218,872 -> 83,872
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465,430 -> 410,430
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710,218 -> 857,218
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797,314 -> 184,314
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387,327 -> 49,665
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950,812 -> 205,67
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803,133 -> 803,682
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125,972 -> 545,552
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353,901 -> 840,414
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936,843 -> 202,109
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11,904 -> 856,59
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725,757 -> 954,986
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227,697 -> 345,697
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187,520 -> 187,441
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860,262 -> 135,987
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700,95 -> 976,371
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86,946 -> 869,163
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898,806 -> 461,806
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717,796 -> 717,195
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882,127 -> 835,127
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133,48 -> 133,191
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521,51 -> 521,927
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384,806 -> 957,233
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570,139 -> 570,842
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949,819 -> 949,350
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592,230 -> 283,230
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315,856 -> 741,856
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870,674 -> 549,353
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857,306 -> 857,889
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428,217 -> 267,217
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47,93 -> 898,944
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636,238 -> 665,238
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202,910 -> 202,737
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246,432 -> 617,803
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985,24 -> 48,961
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965,876 -> 956,867
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618,650 -> 810,458
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292,356 -> 575,356
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394,585 -> 910,585
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137,453 -> 137,178
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509,737 -> 509,665
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193,350 -> 531,688
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805,219 -> 107,219
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975,506 -> 907,506
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435,303 -> 435,380
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344,83 -> 344,224
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47,66 -> 47,115
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570,516 -> 857,516
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162,91 -> 926,91
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759,417 -> 759,460
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445,942 -> 445,699
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421,340 -> 421,743
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590,590 -> 434,434
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453,38 -> 453,327
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865,134 -> 865,773
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842,609 -> 18,609
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662,282 -> 62,882
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489,32 -> 344,32
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135,496 -> 93,454
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552,211 -> 421,211
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620,678 -> 642,678
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782,158 -> 585,355
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733,509 -> 733,574
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932,383 -> 369,946
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843,705 -> 843,725
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747,414 -> 676,343
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294,218 -> 962,886
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844,175 -> 844,420
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255,489 -> 531,213
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555,532 -> 821,532
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533,15 -> 533,161
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631,778 -> 631,401
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75,282 -> 468,282
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903,838 -> 903,957
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46,293 -> 543,790
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30,834 -> 30,948
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591,720 -> 591,965
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624,36 -> 339,36
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425,323 -> 425,442
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234,939 -> 234,963
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482,912 -> 968,912
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228,614 -> 189,614
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969,472 -> 969,692
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871,494 -> 871,172
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101,624 -> 848,624
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424,918 -> 69,563
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929,671 -> 93,671
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81,187 -> 707,813
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348,923 -> 348,924
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921,524 -> 921,828
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678,454 -> 678,364
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904,227 -> 904,596
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163,344 -> 609,790
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206,180 -> 206,59
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145,519 -> 145,717
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317,679 -> 317,417
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503,724 -> 221,724
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353,448 -> 413,448
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363,643 -> 837,643
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594,54 -> 359,54
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866,117 -> 45,938
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939,210 -> 284,865
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410,556 -> 410,801
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905,111 -> 673,111
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983,167 -> 574,167
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595,758 -> 97,758
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785,10 -> 437,10
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517,414 -> 517,734
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691,567 -> 186,62
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842,51 -> 31,862
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36,199 -> 282,199
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864,758 -> 864,610
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639,918 -> 951,918
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245,516 -> 245,474
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951,203 -> 557,203
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176,728 -> 176,171
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322,217 -> 387,217
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149,208 -> 836,895
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661,298 -> 609,298
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46,47 -> 981,982
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769,45 -> 769,610
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988,932 -> 988,459
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901,97 -> 901,908
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195,395 -> 121,395
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197,403 -> 327,533
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159,456 -> 857,456
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480,981 -> 881,580
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86,958 -> 962,82
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375,198 -> 763,198
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950,381 -> 341,381
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504,679 -> 504,598
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756,659 -> 680,583
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146,328 -> 886,328
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930,412 -> 492,850
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954,54 -> 954,940
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790,498 -> 790,305
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83,270 -> 83,242
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939,268 -> 939,563
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423,756 -> 916,263
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583,756 -> 583,34
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957,639 -> 614,639
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484,523 -> 521,560
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497,809 -> 497,419
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76,17 -> 979,920
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49,39 -> 943,933
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110,289 -> 110,247
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874,868 -> 874,172
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576,127 -> 53,650
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871,879 -> 12,20
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436,711 -> 592,711
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132,285 -> 225,285
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245,147 -> 514,147
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158,882 -> 956,84
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21,984 -> 937,68
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42,275 -> 219,275
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877,143 -> 889,143
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593,841 -> 508,756
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414,289 -> 132,289
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687,655 -> 767,655
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453,981 -> 459,987
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635,433 -> 635,324
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671,347 -> 170,848
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412,579 -> 915,579
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269,677 -> 269,596
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587,121 -> 367,341
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153,883 -> 153,709
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524,580 -> 508,580
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541,232 -> 651,232
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93,948 -> 284,757
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168,745 -> 872,41
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831,657 -> 925,563
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908,389 -> 442,389
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462,445 -> 234,445
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735,493 -> 895,493
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274,624 -> 296,646
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153,130 -> 153,160
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466,214 -> 466,769
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474,499 -> 686,711
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540,428 -> 788,676
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858,215 -> 959,215
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788,91 -> 788,410
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552,505 -> 988,505
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978,312 -> 978,202
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108,321 -> 616,829
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903,359 -> 903,770
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480,331 -> 480,769
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503,842 -> 34,842
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613,732 -> 323,442
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767,949 -> 654,949
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514,589 -> 386,589
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38,554 -> 284,308
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689,268 -> 689,711
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860,66 -> 190,736
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253,865 -> 622,865
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87,658 -> 698,47
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506,892 -> 829,569
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680,910 -> 594,824
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824,603 -> 958,603
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576,802 -> 562,802
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67,27 -> 67,489
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969,461 -> 517,913
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674,763 -> 674,226
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223,955 -> 218,955
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147,540 -> 569,962
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455,703 -> 596,703
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746,899 -> 746,403
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516,476 -> 756,476
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897,674 -> 373,150
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120,395 -> 120,49
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722,443 -> 722,244
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724,924 -> 724,39
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809,930 -> 109,930
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822,816 -> 874,816
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796,539 -> 895,539
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340,88 -> 560,88
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223,158 -> 593,158
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779,977 -> 856,900
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617,461 -> 973,817
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515,62 -> 515,140
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12,586 -> 724,586
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870,50 -> 391,50
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308,123 -> 308,696
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||||
119,164 -> 863,908
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755,599 -> 448,599
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129,526 -> 633,526
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478,668 -> 102,668
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237,637 -> 237,743
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270,102 -> 72,300
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115,470 -> 115,427
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948,233 -> 948,731
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983,135 -> 468,650
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748,439 -> 748,642
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62,862 -> 352,572
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765,901 -> 660,901
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917,807 -> 917,587
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55,81 -> 116,81
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954,972 -> 102,120
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||||
340,503 -> 294,549
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970,661 -> 522,213
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618,92 -> 618,247
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||||
688,965 -> 965,965
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94,241 -> 94,292
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||||
15,132 -> 15,492
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||||
979,927 -> 488,927
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||||
509,26 -> 984,26
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840,530 -> 840,95
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55,956 -> 849,162
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297,297 -> 297,472
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338,780 -> 369,780
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487,292 -> 37,292
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122,117 -> 206,201
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66,807 -> 564,309
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643,242 -> 906,242
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909,833 -> 909,441
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129,128 -> 818,817
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406,42 -> 406,297
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53,20 -> 967,934
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235,285 -> 601,285
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||||
275,625 -> 275,539
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199,732 -> 430,963
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639,187 -> 639,265
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549,740 -> 549,824
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603,140 -> 603,748
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35,455 -> 176,455
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||||
888,611 -> 888,271
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134,154 -> 484,154
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||||
694,820 -> 694,814
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535,584 -> 187,932
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||||
642,510 -> 642,249
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||||
191,886 -> 268,886
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918,353 -> 881,390
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977,13 -> 343,13
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380,243 -> 271,134
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||||
410,758 -> 410,670
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||||
613,551 -> 519,645
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||||
963,84 -> 124,923
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702,252 -> 821,252
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405,237 -> 405,22
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||||
21,139 -> 21,510
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||||
548,499 -> 132,499
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||||
196,104 -> 196,680
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739,145 -> 476,145
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||||
751,746 -> 91,746
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975,628 -> 975,847
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||||
935,520 -> 935,450
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||||
803,372 -> 803,393
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||||
872,77 -> 872,373
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||||
339,130 -> 339,103
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||||
226,886 -> 226,45
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||||
794,647 -> 794,257
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||||
90,922 -> 889,123
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615,971 -> 615,574
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26,278 -> 26,719
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||||
838,88 -> 806,88
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||||
263,691 -> 804,150
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309,721 -> 910,721
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510,496 -> 960,946
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195,236 -> 46,236
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610,143 -> 610,610
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891,412 -> 891,268
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714,21 -> 156,579
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320,935 -> 320,96
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240,782 -> 449,782
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754,472 -> 48,472
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105,481 -> 529,57
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451,301 -> 451,965
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796,638 -> 796,185
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908,553 -> 771,553
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98,543 -> 490,935
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481,159 -> 762,159
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593,527 -> 419,353
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86,391 -> 216,521
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260,716 -> 42,716
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734,538 -> 375,179
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24,974 -> 975,23
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402,466 -> 787,851
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344,409 -> 262,327
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803,443 -> 685,443
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986,152 -> 249,152
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125,738 -> 90,773
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184,772 -> 184,746
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729,829 -> 729,340
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226,527 -> 226,375
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936,231 -> 222,945
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254,333 -> 254,167
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451,234 -> 451,273
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915,790 -> 568,443
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869,794 -> 504,429
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11,878 -> 836,53
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821,231 -> 522,530
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285,419 -> 732,866
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191,272 -> 191,679
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41,651 -> 225,651
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30,13 -> 879,862
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980,488 -> 20,488
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27,187 -> 27,348
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53,238 -> 53,514
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778,306 -> 379,705
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425,399 -> 425,60
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162,859 -> 57,859
|
||||
652,926 -> 652,589
|
||||
962,489 -> 555,896
|
||||
197,378 -> 436,617
|
||||
310,190 -> 310,760
|
||||
678,20 -> 678,713
|
||||
390,653 -> 985,58
|
||||
938,351 -> 656,69
|
||||
881,39 -> 18,902
|
||||
313,681 -> 323,681
|
||||
910,907 -> 288,907
|
||||
739,977 -> 739,132
|
||||
856,479 -> 154,479
|
||||
893,785 -> 761,785
|
||||
405,247 -> 405,901
|
||||
58,933 -> 808,183
|
||||
643,156 -> 676,189
|
||||
149,773 -> 357,773
|
||||
479,518 -> 434,518
|
||||
389,518 -> 556,685
|
||||
858,449 -> 533,774
|
||||
503,133 -> 409,133
|
||||
340,315 -> 219,194
|
||||
183,701 -> 183,242
|
||||
810,151 -> 195,151
|
||||
446,686 -> 446,912
|
||||
968,482 -> 49,482
|
||||
203,20 -> 203,667
|
||||
493,516 -> 647,516
|
||||
900,91 -> 634,91
|
||||
660,554 -> 119,13
|
||||
964,864 -> 964,919
|
||||
871,293 -> 344,293
|
||||
895,258 -> 972,258
|
||||
|
|
@ -0,0 +1,10 @@
|
|||
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
|
||||
|
|
@ -0,0 +1,215 @@
|
|||
use std::cmp::Ordering;
|
||||
use std::fmt;
|
||||
use std::fs;
|
||||
|
||||
#[derive(Debug, Default, Clone, Copy, PartialEq, PartialOrd, Eq)]
|
||||
struct Point(i32, i32);
|
||||
|
||||
impl Point {
|
||||
fn from_str(input: &str) -> Self {
|
||||
let coords: Vec<i32> = input
|
||||
.split(",")
|
||||
// TODO: propogate this error
|
||||
.map(|n| n.parse::<i32>().unwrap())
|
||||
.collect();
|
||||
// TODO: Check length
|
||||
Point(coords[0], coords[1])
|
||||
}
|
||||
}
|
||||
|
||||
impl fmt::Display for Point {
|
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
||||
write!(f, "({}, {})", self.0, self.1)
|
||||
}
|
||||
}
|
||||
|
||||
impl Ord for Point {
|
||||
fn cmp(&self, other: &Self) -> Ordering {
|
||||
let x_ordering = self.0.cmp(&other.0);
|
||||
if x_ordering == Ordering::Equal {
|
||||
self.1.cmp(&other.1)
|
||||
} else {
|
||||
x_ordering
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Default, Clone, Copy)]
|
||||
struct Line(Point, Point);
|
||||
|
||||
impl Line {
|
||||
fn from_str(input: &str) -> Self {
|
||||
// TODO: propagate error
|
||||
let parts: Vec<Point> = input.split(" -> ").map(|p| Point::from_str(p)).collect();
|
||||
// TODO: Check length
|
||||
Line(parts[0], parts[1])
|
||||
}
|
||||
|
||||
fn is_horizontal(&self) -> bool {
|
||||
self.0 .1 == self.1 .1
|
||||
}
|
||||
|
||||
fn is_vertical(&self) -> bool {
|
||||
self.0 .0 == self.1 .0
|
||||
}
|
||||
|
||||
fn calc_x(&self, y: i32) -> i32 {
|
||||
if self.is_vertical() {
|
||||
return self.0 .0;
|
||||
}
|
||||
// (y1 - x1) / (y2 - x2)
|
||||
let slope: f64 = (f64::from(self.1 .1) - f64::from(self.0 .1))
|
||||
/ (f64::from(self.1 .0) - f64::from(self.0 .0));
|
||||
let offset = f64::from(self.1 .1) - (f64::from(self.1 .0) * slope);
|
||||
|
||||
((f64::from(y) - offset) / slope) as i32
|
||||
}
|
||||
|
||||
fn calc_y(&self, x: i32) -> i32 {
|
||||
// (y1 - x1) / (y2 - x2)
|
||||
let slope: f64 = (f64::from(self.1 .1) - f64::from(self.0 .1))
|
||||
/ (f64::from(self.1 .0) - f64::from(self.0 .0));
|
||||
let offset = f64::from(self.1 .1) - (f64::from(self.1 .0) * slope);
|
||||
|
||||
((f64::from(x) * slope) + offset) as i32
|
||||
}
|
||||
|
||||
fn interpolate_line(&self) -> Vec<Point> {
|
||||
// Walk along x
|
||||
let x_walk = (self.0 .0.min(self.1 .0)..(self.0 .0.max(self.1 .0) + 1))
|
||||
.map(|x| Point(x, self.calc_y(x)));
|
||||
// Walk along y
|
||||
let y_walk = (self.0 .1.min(self.1 .1)..(self.0 .1.max(self.1 .1) + 1))
|
||||
.map(|y| Point(self.calc_x(y), y));
|
||||
|
||||
if self.is_horizontal() {
|
||||
x_walk.collect()
|
||||
} else if self.is_vertical() {
|
||||
y_walk.collect()
|
||||
} else {
|
||||
let mut points: Vec<Point> = x_walk.chain(y_walk).collect();
|
||||
points.sort();
|
||||
points.dedup();
|
||||
points
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl fmt::Display for Line {
|
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
||||
write!(f, "<{} -> {}>", self.0, self.1)
|
||||
}
|
||||
}
|
||||
|
||||
fn join_points(points: &Vec<Point>) -> String {
|
||||
points
|
||||
.iter()
|
||||
.map(|p| format!("{}", p))
|
||||
.collect::<Vec<String>>()
|
||||
.join(" -> ")
|
||||
}
|
||||
|
||||
fn join_vec<T: std::fmt::Display>(join_str: &str, v: &Vec<T>) -> String {
|
||||
v.iter()
|
||||
.map(|p| format!("{}", p))
|
||||
.collect::<Vec<String>>()
|
||||
.join(join_str)
|
||||
}
|
||||
|
||||
/// Returns the maximum point in a grid bound by the input vector
|
||||
///
|
||||
/// # Arguments
|
||||
///
|
||||
/// * `points` - A vector of points that should fit in the grid
|
||||
fn max_point(points: &Vec<Point>) -> Point {
|
||||
points.iter().fold(Point(0, 0), |max, point| {
|
||||
Point(max.0.max(point.0), max.1.max(point.1))
|
||||
})
|
||||
}
|
||||
|
||||
fn part1() {
|
||||
let file_contents = fs::read_to_string("input.txt").expect("No input found");
|
||||
let lines: Vec<Line> = file_contents
|
||||
.lines()
|
||||
.map(|l| Line::from_str(l))
|
||||
.filter(|l| l.is_horizontal() || l.is_vertical())
|
||||
.collect();
|
||||
|
||||
for line in &lines {
|
||||
println!("Line is {}", line);
|
||||
let line_points: Vec<Point> = line.interpolate_line();
|
||||
println!("Full line: {}", join_points(&line_points));
|
||||
}
|
||||
|
||||
let all_points = lines
|
||||
.iter()
|
||||
.map(|line| line.interpolate_line())
|
||||
.flatten()
|
||||
.collect();
|
||||
let grid_max = max_point(&all_points);
|
||||
let mut grid: Vec<Vec<i32>> = (0..(grid_max.1 + 1))
|
||||
.map(|_| (0..(grid_max.0 + 1)).map(|_| 0).collect::<Vec<i32>>())
|
||||
.collect();
|
||||
|
||||
for point in &all_points {
|
||||
grid[point.1 as usize][point.0 as usize] += 1;
|
||||
}
|
||||
|
||||
for row in &grid {
|
||||
println!("{}", join_vec(" ", row));
|
||||
}
|
||||
|
||||
let result: i32 = grid
|
||||
.iter()
|
||||
.flatten()
|
||||
.map(|v| if *v > 1 { 1 } else { 0 })
|
||||
.sum();
|
||||
|
||||
println!("Part 1 result is {}", result)
|
||||
}
|
||||
|
||||
fn part2() {
|
||||
let file_contents = fs::read_to_string("input.txt").expect("No input found");
|
||||
let lines: Vec<Line> = file_contents
|
||||
.lines()
|
||||
.map(|l| Line::from_str(l))
|
||||
// .filter(|l| l.is_horizontal() || l.is_vertical())
|
||||
.collect();
|
||||
|
||||
for line in &lines {
|
||||
println!("Line is {}", line);
|
||||
let line_points: Vec<Point> = line.interpolate_line();
|
||||
println!("Full line: {}", join_points(&line_points));
|
||||
}
|
||||
|
||||
let all_points = lines
|
||||
.iter()
|
||||
.map(|line| line.interpolate_line())
|
||||
.flatten()
|
||||
.collect();
|
||||
let grid_max = max_point(&all_points);
|
||||
let mut grid: Vec<Vec<i32>> = (0..(grid_max.1 + 1))
|
||||
.map(|_| (0..(grid_max.0 + 1)).map(|_| 0).collect::<Vec<i32>>())
|
||||
.collect();
|
||||
|
||||
for point in &all_points {
|
||||
grid[point.1 as usize][point.0 as usize] += 1;
|
||||
}
|
||||
|
||||
for row in &grid {
|
||||
println!("{}", join_vec(" ", row));
|
||||
}
|
||||
|
||||
let result: i32 = grid
|
||||
.iter()
|
||||
.flatten()
|
||||
.map(|v| if *v > 1 { 1 } else { 0 })
|
||||
.sum();
|
||||
|
||||
println!("Part 1 result is {}", result)
|
||||
}
|
||||
|
||||
fn main() {
|
||||
part1();
|
||||
part2();
|
||||
}
|
||||
Loading…
Reference in New Issue