4 changed files with 630 additions and 0 deletions
@ -0,0 +1,500 @@
|
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644,38 -> 644,265 |
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941,468 -> 941,89 |
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807,552 -> 618,363 |
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896,510 -> 896,744 |
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227,909 -> 227,745 |
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24,66 -> 946,988 |
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563,529 -> 563,270 |
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894,707 -> 359,172 |
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146,253 -> 146,569 |
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544,683 -> 140,683 |
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755,612 -> 755,463 |
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394,320 -> 891,320 |
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68,616 -> 68,628 |
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801,770 -> 801,942 |
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650,290 -> 580,360 |
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376,18 -> 181,213 |
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285,391 -> 805,911 |
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57,153 -> 501,153 |
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686,301 -> 686,316 |
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81,971 -> 683,369 |
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75,456 -> 75,355 |
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769,59 -> 769,81 |
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49,958 -> 49,718 |
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492,754 -> 492,256 |
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606,133 -> 391,133 |
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134,683 -> 134,656 |
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195,463 -> 658,926 |
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982,498 -> 982,927 |
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841,122 -> 889,74 |
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968,891 -> 968,189 |
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104,941 -> 104,868 |
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801,450 -> 272,979 |
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212,749 -> 212,366 |
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880,928 -> 880,757 |
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503,483 -> 283,263 |
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792,924 -> 792,540 |
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58,87 -> 905,934 |
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275,661 -> 36,422 |
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475,654 -> 466,645 |
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34,946 -> 969,11 |
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725,664 -> 725,150 |
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837,680 -> 837,952 |
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109,987 -> 644,452 |
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860,984 -> 860,691 |
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672,800 -> 107,235 |
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216,888 -> 301,888 |
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399,676 -> 718,357 |
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957,544 -> 784,544 |
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677,743 -> 633,743 |
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491,866 -> 77,452 |
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967,949 -> 45,27 |
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659,699 -> 659,27 |
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987,116 -> 696,116 |
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465,847 -> 309,847 |
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353,19 -> 353,627 |
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265,713 -> 592,386 |
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541,765 -> 461,765 |
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21,409 -> 895,409 |
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950,149 -> 766,149 |
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856,889 -> 895,889 |
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335,962 -> 485,812 |
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425,774 -> 400,749 |
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71,932 -> 989,14 |
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484,974 -> 44,974 |
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86,797 -> 86,470 |
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876,962 -> 876,384 |
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45,631 -> 169,507 |
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161,789 -> 523,427 |
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791,640 -> 791,581 |
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415,170 -> 835,590 |
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299,275 -> 988,964 |
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105,233 -> 231,359 |
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202,226 -> 202,958 |
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814,717 -> 618,521 |
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185,442 -> 559,68 |
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26,149 -> 665,149 |
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673,369 -> 247,795 |
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171,963 -> 171,46 |
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689,801 -> 94,206 |
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619,243 -> 619,637 |
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426,245 -> 660,11 |
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47,503 -> 47,179 |
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341,363 -> 487,217 |
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371,774 -> 371,871 |
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781,794 -> 781,180 |
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391,632 -> 92,632 |
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517,150 -> 517,715 |
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903,10 -> 18,895 |
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34,500 -> 426,500 |
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82,955 -> 886,151 |
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142,297 -> 142,527 |
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60,965 -> 36,965 |
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250,807 -> 372,685 |
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227,393 -> 610,776 |
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269,893 -> 269,556 |
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969,223 -> 611,223 |
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255,92 -> 194,92 |
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220,233 -> 958,233 |
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144,209 -> 144,979 |
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48,413 -> 48,195 |
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209,151 -> 648,590 |
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867,648 -> 871,644 |
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499,555 -> 807,555 |
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571,729 -> 865,435 |
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683,151 -> 485,151 |
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803,26 -> 803,691 |
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533,921 -> 300,688 |
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625,695 -> 483,553 |
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719,370 -> 139,950 |
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981,17 -> 16,982 |
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367,617 -> 367,636 |
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249,644 -> 835,644 |
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260,825 -> 260,519 |
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275,144 -> 275,315 |
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767,314 -> 962,119 |
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76,625 -> 76,166 |
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403,680 -> 313,680 |
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977,21 -> 16,982 |
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578,753 -> 271,753 |
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212,358 -> 477,623 |
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596,220 -> 868,220 |
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67,797 -> 935,797 |
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181,107 -> 181,379 |
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741,332 -> 419,10 |
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732,827 -> 732,989 |
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835,111 -> 436,510 |
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480,328 -> 480,682 |
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327,673 -> 327,70 |
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911,547 -> 833,625 |
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944,509 -> 874,579 |
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169,340 -> 731,902 |
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156,842 -> 825,173 |
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976,40 -> 51,965 |
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199,416 -> 916,416 |
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51,970 -> 792,229 |
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14,577 -> 501,577 |
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246,464 -> 246,289 |
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641,464 -> 100,464 |
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984,11 -> 43,952 |
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548,36 -> 156,428 |
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519,799 -> 519,43 |
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332,364 -> 332,774 |
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85,123 -> 85,753 |
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778,12 -> 40,750 |
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507,56 -> 507,840 |
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973,632 -> 670,632 |
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895,928 -> 37,70 |
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661,784 -> 661,718 |
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114,25 -> 938,849 |
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428,752 -> 428,543 |
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357,270 -> 957,870 |
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27,70 -> 899,942 |
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85,780 -> 747,780 |
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717,565 -> 951,565 |
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191,748 -> 651,748 |
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679,301 -> 679,417 |
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150,266 -> 150,184 |
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774,964 -> 64,254 |
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34,248 -> 34,279 |
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782,610 -> 802,610 |
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109,146 -> 822,859 |
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825,848 -> 825,666 |
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251,718 -> 615,718 |
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912,722 -> 289,722 |
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729,579 -> 729,889 |
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214,756 -> 214,716 |
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58,497 -> 58,927 |
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62,55 -> 742,55 |
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110,429 -> 110,154 |
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55,794 -> 638,794 |
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182,96 -> 676,96 |
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632,334 -> 202,764 |
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36,541 -> 36,397 |
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191,819 -> 191,277 |
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971,491 -> 839,491 |
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849,561 -> 538,250 |
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176,523 -> 10,689 |
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162,638 -> 717,638 |
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132,843 -> 646,329 |
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873,67 -> 873,389 |
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167,631 -> 167,473 |
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49,337 -> 465,337 |
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550,429 -> 438,429 |
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305,720 -> 476,720 |
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547,636 -> 547,902 |
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21,627 -> 49,627 |
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286,70 -> 989,70 |
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87,930 -> 896,121 |
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659,916 -> 200,916 |
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234,589 -> 234,308 |
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530,962 -> 90,962 |
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366,478 -> 676,788 |
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284,520 -> 284,546 |
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580,74 -> 146,508 |
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561,977 -> 561,237 |
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85,150 -> 804,869 |
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740,850 -> 159,269 |
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458,705 -> 458,639 |
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969,563 -> 381,563 |
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139,439 -> 139,263 |
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135,971 -> 908,198 |
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440,632 -> 102,632 |
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446,549 -> 446,734 |
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24,49 -> 212,237 |
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692,882 -> 527,882 |
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156,895 -> 156,239 |
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359,246 -> 359,603 |
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12,349 -> 604,941 |
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375,161 -> 732,161 |
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674,287 -> 322,287 |
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902,957 -> 328,383 |
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352,185 -> 352,766 |
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222,205 -> 222,419 |
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769,815 -> 769,739 |
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83,147 -> 880,147 |
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136,148 -> 136,279 |
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807,241 -> 439,241 |
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464,240 -> 478,254 |
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37,839 -> 646,839 |
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351,316 -> 639,604 |
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449,492 -> 449,125 |
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69,892 -> 933,28 |
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565,161 -> 598,161 |
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147,802 -> 905,44 |
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809,861 -> 38,90 |
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34,80 -> 34,538 |
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896,405 -> 582,405 |
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474,201 -> 893,201 |
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289,64 -> 975,750 |
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378,785 -> 375,782 |
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709,472 -> 357,472 |
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17,14 -> 987,984 |
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625,46 -> 647,46 |
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20,84 -> 914,978 |
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364,811 -> 397,811 |
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395,726 -> 628,726 |
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831,89 -> 593,89 |
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370,562 -> 827,562 |
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278,371 -> 609,40 |
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904,529 -> 391,16 |
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232,829 -> 232,63 |
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927,121 -> 194,854 |
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547,280 -> 547,895 |
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292,904 -> 292,897 |
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99,525 -> 99,868 |
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371,44 -> 643,44 |
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942,74 -> 986,118 |
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708,179 -> 110,179 |
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485,637 -> 713,637 |
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477,512 -> 102,137 |
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636,657 -> 727,657 |
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686,564 -> 256,564 |
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636,169 -> 377,169 |
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627,943 -> 627,703 |
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987,795 -> 987,758 |
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364,827 -> 642,827 |
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613,694 -> 864,945 |
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910,521 -> 777,654 |
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119,394 -> 22,394 |
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594,439 -> 515,360 |
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177,11 -> 177,73 |
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456,628 -> 456,467 |
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246,214 -> 594,562 |
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47,790 -> 47,491 |
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788,21 -> 788,343 |
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136,847 -> 136,543 |
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958,302 -> 733,302 |
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50,981 -> 923,108 |
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298,179 -> 298,921 |
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962,644 -> 93,644 |
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988,671 -> 988,258 |
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646,140 -> 646,852 |
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721,264 -> 721,563 |
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972,407 -> 684,119 |
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245,422 -> 401,422 |
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16,494 -> 16,16 |
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564,72 -> 361,72 |
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436,390 -> 166,120 |
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511,571 -> 241,571 |
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259,215 -> 259,975 |
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648,841 -> 898,841 |
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918,881 -> 438,401 |
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458,561 -> 752,855 |
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791,192 -> 319,192 |
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383,929 -> 217,929 |
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733,26 -> 527,26 |
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620,160 -> 620,734 |
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818,181 -> 61,181 |
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39,21 -> 927,909 |
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952,208 -> 952,749 |
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194,55 -> 304,55 |
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519,673 -> 519,875 |
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730,919 -> 733,919 |
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963,269 -> 933,299 |
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707,112 -> 178,112 |
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924,349 -> 264,349 |
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910,94 -> 96,94 |
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747,289 -> 89,947 |
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164,956 -> 164,655 |
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264,300 -> 753,789 |
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207,672 -> 207,488 |
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243,838 -> 812,269 |
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455,320 -> 425,320 |
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59,964 -> 59,841 |
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350,373 -> 526,549 |
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604,683 -> 604,83 |
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537,281 -> 537,933 |
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737,634 -> 737,28 |
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92,909 -> 725,276 |
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859,335 -> 859,487 |
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605,495 -> 371,495 |
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783,155 -> 783,930 |
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388,591 -> 388,133 |
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374,634 -> 472,634 |
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963,914 -> 64,15 |
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57,435 -> 140,435 |
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759,619 -> 105,619 |
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326,501 -> 326,821 |
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942,136 -> 414,136 |
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490,376 -> 490,260 |
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377,59 -> 377,773 |
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894,169 -> 99,964 |
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350,511 -> 726,511 |
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787,728 -> 787,750 |
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688,11 -> 688,68 |
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107,514 -> 183,514 |
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861,12 -> 22,851 |
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149,49 -> 149,713 |
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826,737 -> 890,737 |
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299,307 -> 299,549 |
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251,648 -> 862,37 |
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898,85 -> 412,85 |
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936,168 -> 845,168 |
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278,677 -> 302,677 |
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493,878 -> 493,133 |
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539,205 -> 539,522 |
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412,495 -> 412,929 |
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334,605 -> 334,817 |
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68,462 -> 462,856 |
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234,134 -> 234,942 |
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293,823 -> 678,823 |
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852,874 -> 158,874 |
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859,612 -> 435,612 |
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10,876 -> 613,273 |
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370,13 -> 118,13 |
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616,774 -> 14,172 |
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193,543 -> 81,543 |
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784,179 -> 14,949 |
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324,533 -> 153,533 |
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15,976 -> 976,15 |
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943,52 -> 20,975 |
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100,34 -> 671,605 |
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140,552 -> 140,27 |
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448,497 -> 186,497 |
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734,355 -> 734,933 |
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544,131 -> 259,131 |
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193,84 -> 663,84 |
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190,949 -> 833,306 |
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430,34 -> 328,34 |
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21,46 -> 483,508 |
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621,202 -> 98,202 |
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196,874 -> 889,181 |
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106,217 -> 850,961 |
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701,891 -> 488,678 |
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21,597 -> 894,597 |
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249,21 -> 249,614 |
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887,808 -> 887,948 |
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255,711 -> 913,53 |
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173,447 -> 173,78 |
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956,224 -> 956,747 |
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513,882 -> 48,417 |
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772,591 -> 930,591 |
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976,98 -> 86,988 |
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264,67 -> 264,931 |
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987,982 -> 48,43 |
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494,514 -> 494,416 |
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867,785 -> 556,474 |
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350,902 -> 257,902 |
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978,977 -> 978,735 |
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312,240 -> 371,240 |
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890,112 -> 890,662 |
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753,327 -> 427,653 |
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83,888 -> 927,44 |
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142,480 -> 12,480 |
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965,39 -> 85,919 |
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158,926 -> 158,801 |
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439,22 -> 439,860 |
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10,26 -> 765,781 |
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775,838 -> 775,732 |
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871,607 -> 871,288 |
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337,850 -> 337,533 |
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89,581 -> 89,582 |
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524,977 -> 524,88 |
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473,283 -> 639,449 |
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23,324 -> 23,372 |
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671,486 -> 278,879 |
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266,98 -> 989,98 |
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51,947 -> 634,947 |
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47,18 -> 47,43 |
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95,239 -> 609,753 |
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953,34 -> 71,916 |
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243,685 -> 243,427 |
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642,537 -> 304,199 |
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545,41 -> 914,41 |
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112,860 -> 112,159 |
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12,12 -> 989,989 |
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622,907 -> 648,907 |
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230,983 -> 230,941 |
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111,868 -> 852,127 |
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315,895 -> 799,411 |
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771,533 -> 584,720 |
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65,492 -> 657,492 |
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820,315 -> 820,627 |
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710,554 -> 829,554 |
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100,967 -> 877,190 |
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530,733 -> 530,202 |
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880,28 -> 83,825 |
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914,448 -> 494,28 |
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886,344 -> 966,344 |
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782,923 -> 857,848 |
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597,632 -> 597,946 |
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366,789 -> 366,96 |
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568,834 -> 187,834 |
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451,687 -> 224,687 |
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123,12 -> 914,803 |
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734,42 -> 526,42 |
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844,116 -> 844,521 |
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744,976 -> 744,792 |
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337,837 -> 617,837 |
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848,139 -> 848,571 |
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853,264 -> 112,264 |
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986,965 -> 92,71 |
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888,892 -> 53,57 |
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150,342 -> 150,516 |
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457,264 -> 796,264 |
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544,595 -> 544,406 |
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243,118 -> 482,357 |
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138,804 -> 138,646 |
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99,80 -> 99,34 |
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442,883 -> 442,165 |
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428,72 -> 428,826 |
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450,815 -> 901,364 |
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852,516 -> 852,384 |
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13,969 -> 972,10 |
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921,50 -> 32,939 |
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969,470 -> 969,539 |
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691,238 -> 763,238 |
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171,733 -> 823,81 |
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722,963 -> 21,262 |
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849,203 -> 849,151 |
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12,99 -> 884,971 |
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903,240 -> 148,240 |
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633,140 -> 633,202 |
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194,393 -> 747,393 |
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748,43 -> 126,665 |
||||
182,155 -> 182,298 |
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668,814 -> 668,306 |
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619,384 -> 255,384 |
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166,341 -> 795,970 |
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898,870 -> 57,29 |
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976,148 -> 976,244 |
||||
386,525 -> 662,249 |
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719,67 -> 131,655 |
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419,847 -> 188,847 |
||||
953,823 -> 743,823 |
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307,299 -> 307,78 |
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948,253 -> 756,253 |
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926,938 -> 46,58 |
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982,618 -> 652,618 |
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539,742 -> 539,177 |
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531,974 -> 531,781 |
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880,922 -> 283,325 |
||||
707,257 -> 707,673 |
||||
327,308 -> 930,911 |
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526,170 -> 980,624 |
||||
445,653 -> 445,986 |
||||
842,737 -> 754,737 |
||||
847,982 -> 16,151 |
||||
137,426 -> 292,271 |
||||
126,556 -> 50,556 |
||||
168,766 -> 168,767 |
||||
152,46 -> 363,46 |
||||
50,381 -> 760,381 |
||||
43,943 -> 43,374 |
||||
45,964 -> 956,53 |
||||
37,403 -> 576,403 |
||||
130,317 -> 576,763 |
||||
882,840 -> 179,137 |
||||
572,608 -> 572,274 |
||||
874,977 -> 32,135 |
||||
794,56 -> 730,120 |
||||
812,841 -> 812,440 |
||||
111,66 -> 137,92 |
||||
255,287 -> 255,787 |
||||
121,137 -> 121,63 |
||||
81,811 -> 81,586 |
||||
303,365 -> 910,972 |
||||
177,134 -> 962,919 |
||||
405,41 -> 405,645 |
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219,934 -> 441,934 |
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@ -0,0 +1,103 @@
|
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package main |
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|
||||
import ( |
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"log" |
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"os" |
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"regexp" |
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"strconv" |
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"strings" |
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|
||||
"github.com/thoas/go-funk" |
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) |
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|
||||
func main() { |
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inputBytes, _ := os.ReadFile("input.txt") |
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inputs := strings.Split(string(inputBytes), "\n") |
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|
||||
log.Println("Puzzle 1:", puzzle1(inputs)) |
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log.Println("Puzzle 2:", puzzle2(inputs)) |
||||
} |
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|
||||
func puzzle1(input []string) int { |
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return do(input, false) |
||||
} |
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|
||||
func puzzle2(input []string) int { |
||||
return do(input, true) |
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} |
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|
||||
type lineEnd struct { |
||||
x, y int |
||||
} |
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|
||||
type line struct { |
||||
start, end lineEnd |
||||
} |
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|
||||
func do(input []string, puzzle2 bool) int { |
||||
// Parse input into lines of form "x1,y1 -> x2,y2"
|
||||
lineRegex := regexp.MustCompile(`(\d+),(\d+)\s\->\s(\d+),(\d+)`) |
||||
lines := []line{} |
||||
for _, inputRow := range input { |
||||
lineMatch := lineRegex.FindStringSubmatch(inputRow) |
||||
x1, _ := strconv.Atoi(lineMatch[1]) |
||||
y1, _ := strconv.Atoi(lineMatch[2]) |
||||
x2, _ := strconv.Atoi(lineMatch[3]) |
||||
y2, _ := strconv.Atoi(lineMatch[4]) |
||||
lines = append(lines, line{ |
||||
start: lineEnd{x1, y1}, |
||||
end: lineEnd{x2, y2}, |
||||
}) |
||||
} |
||||
// Get maximum x and y values
|
||||
maxX, maxY := 0, 0 |
||||
for _, l := range lines { |
||||
if l.start.x > maxX { |
||||
maxX = l.start.x |
||||
} |
||||
if l.start.y > maxY { |
||||
maxY = l.start.y |
||||
} |
||||
if l.end.x > maxX { |
||||
maxX = l.end.x |
||||
} |
||||
if l.end.y > maxY { |
||||
maxY = l.end.y |
||||
} |
||||
} |
||||
// Create a 2D array of zeros
|
||||
diagram := make([][]int, maxY+1) |
||||
for i := range diagram { |
||||
diagram[i] = make([]int, maxX+1) |
||||
} |
||||
// For each line, increment the value of the cells it crosses
|
||||
for _, l := range lines { |
||||
if l.start.x == l.end.x || l.start.y == l.end.y { |
||||
// Vertical line or horizontal line
|
||||
for x := funk.MinInt([]int{l.start.x, l.end.x}); x <= funk.MaxInt([]int{l.start.x, l.end.x}); x++ { |
||||
for y := funk.MinInt([]int{l.start.y, l.end.y}); y <= funk.MaxInt([]int{l.start.y, l.end.y}); y++ { |
||||
diagram[y][x]++ |
||||
} |
||||
} |
||||
} else if puzzle2 && (l.start.x-l.end.x == l.start.y-l.end.y || l.start.x-l.end.x == l.end.y-l.start.y) { |
||||
// 45-degree diagonal line
|
||||
xDir := funk.ShortIf(l.start.x > l.end.x, -1, 1).(int) |
||||
yDir := funk.ShortIf(l.start.y > l.end.y, -1, 1).(int) |
||||
x := l.start.x |
||||
for y := l.start.y; y != l.end.y+yDir; y += yDir { |
||||
diagram[y][x]++ |
||||
x += xDir |
||||
} |
||||
} |
||||
} |
||||
// Count the number of cells that have more than one line crossing them
|
||||
count := 0 |
||||
for _, row := range diagram { |
||||
for _, cell := range row { |
||||
if cell > 1 { |
||||
count++ |
||||
} |
||||
} |
||||
} |
||||
return count |
||||
} |
||||
@ -0,0 +1,17 @@
|
||||
package main |
||||
|
||||
import ( |
||||
"os" |
||||
"strings" |
||||
"testing" |
||||
|
||||
"github.com/stretchr/testify/assert" |
||||
) |
||||
|
||||
func Test(t *testing.T) { |
||||
inputBytes, _ := os.ReadFile("test.txt") |
||||
inputs := strings.Split(string(inputBytes), "\n") |
||||
|
||||
assert.Equal(t, 5, puzzle1(inputs)) |
||||
assert.Equal(t, 12, puzzle2(inputs)) |
||||
} |
||||
Loading…
Reference in new issue