Add 2021 day 5.
This commit is contained in:
parent
198927e4a3
commit
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52
2021/day5.py
Normal file
52
2021/day5.py
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@ -0,0 +1,52 @@
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# -*- encoding: utf-8 -*-
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import sys
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from collections import defaultdict
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import numpy as np
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lines: list[str] = sys.stdin.read().splitlines()
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sections: list[tuple[tuple[int, int], tuple[int, int]]] = [
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(
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(
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int(line.split(" -> ")[0].split(",")[0]),
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int(line.split(" -> ")[0].split(",")[1]),
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),
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(
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int(line.split(" -> ")[1].split(",")[0]),
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int(line.split(" -> ")[1].split(",")[1]),
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),
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)
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for line in lines
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]
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np_sections = np.array(sections).reshape(-1, 4)
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x_min, x_max, y_min, y_max = (
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min(np_sections[:, 0].min(), np_sections[:, 2].min()),
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max(np_sections[:, 0].max(), np_sections[:, 2].max()),
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min(np_sections[:, 1].min(), np_sections[:, 3].min()),
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max(np_sections[:, 1].max(), np_sections[:, 3].max()),
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)
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counts_1 = np.zeros((y_max + 1, x_max + 1), dtype=int)
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counts_2 = counts_1.copy()
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for (x1, y1), (x2, y2) in sections:
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x_rng = range(x1, x2 + 1, 1) if x2 >= x1 else range(x1, x2 - 1, -1)
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y_rng = range(y1, y2 + 1, 1) if y2 >= y1 else range(y1, y2 - 1, -1)
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if x1 == x2 or y1 == y2:
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counts_1[list(y_rng), list(x_rng)] += 1
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counts_2[list(y_rng), list(x_rng)] += 1
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elif abs(x2 - x1) == abs(y2 - y1):
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for i, j in zip(y_rng, x_rng):
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counts_2[i, j] += 1
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answer_1 = (counts_1 >= 2).sum()
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print(f"answer 1 is {answer_1}")
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answer_2 = (counts_2 >= 2).sum()
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print(f"answer 2 is {answer_2}")
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500
2021/inputs/day5.txt
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500
2021/inputs/day5.txt
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@ -0,0 +1,500 @@
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657,934 -> 657,926
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130,34 -> 570,474
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478,716 -> 226,464
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861,110 -> 861,167
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448,831 -> 370,831
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75,738 -> 390,738
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26,880 -> 864,42
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965,658 -> 527,220
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208,381 -> 80,381
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523,475 -> 807,475
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219,69 -> 219,434
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793,538 -> 534,797
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754,602 -> 754,148
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443,327 -> 443,611
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606,395 -> 546,395
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980,56 -> 51,985
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619,325 -> 354,325
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342,123 -> 819,600
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290,533 -> 374,533
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598,77 -> 598,75
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605,302 -> 605,636
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97,981 -> 692,386
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278,779 -> 278,800
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661,377 -> 661,10
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726,108 -> 518,316
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271,883 -> 271,50
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382,271 -> 606,271
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963,358 -> 891,286
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496,880 -> 496,855
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211,142 -> 211,49
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841,866 -> 260,285
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841,849 -> 173,181
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927,326 -> 391,862
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396,558 -> 459,558
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753,183 -> 953,183
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941,698 -> 941,407
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347,612 -> 347,476
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18,340 -> 18,612
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140,299 -> 797,956
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714,907 -> 714,228
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966,155 -> 194,927
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769,674 -> 712,674
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644,675 -> 948,979
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703,872 -> 812,763
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26,629 -> 120,535
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844,738 -> 844,253
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798,133 -> 798,795
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27,318 -> 288,57
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38,545 -> 872,545
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827,351 -> 195,983
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818,45 -> 21,842
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257,559 -> 626,928
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145,925 -> 886,184
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83,618 -> 590,111
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326,243 -> 53,243
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489,278 -> 526,278
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783,693 -> 783,525
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495,636 -> 495,585
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374,716 -> 215,557
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839,536 -> 839,966
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850,468 -> 955,468
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55,799 -> 55,447
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472,722 -> 296,898
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390,731 -> 120,461
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405,493 -> 208,296
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807,42 -> 56,793
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476,327 -> 655,327
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24,965 -> 967,22
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776,211 -> 776,850
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489,20 -> 822,20
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630,740 -> 871,499
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743,493 -> 283,953
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62,429 -> 62,720
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806,270 -> 806,332
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550,154 -> 107,597
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71,713 -> 533,251
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620,575 -> 620,156
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726,829 -> 143,246
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944,553 -> 468,553
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185,582 -> 185,468
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845,266 -> 212,899
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654,97 -> 265,486
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726,609 -> 726,147
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631,76 -> 860,76
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835,24 -> 928,24
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712,719 -> 74,81
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616,478 -> 616,117
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903,226 -> 903,577
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440,699 -> 136,395
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215,705 -> 890,30
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20,24 -> 981,985
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102,144 -> 850,892
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695,967 -> 582,967
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219,284 -> 219,388
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359,833 -> 665,833
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389,55 -> 305,55
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59,32 -> 957,930
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815,198 -> 64,949
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699,540 -> 717,558
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215,682 -> 182,682
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805,489 -> 328,489
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43,546 -> 578,546
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489,181 -> 489,363
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266,391 -> 266,582
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863,368 -> 448,368
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83,236 -> 83,487
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874,875 -> 874,413
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799,90 -> 799,802
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253,29 -> 253,905
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136,446 -> 435,745
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830,534 -> 550,534
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183,785 -> 107,785
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81,517 -> 159,517
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359,941 -> 359,560
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71,546 -> 948,546
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596,811 -> 596,791
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255,960 -> 255,159
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788,15 -> 788,682
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240,55 -> 240,244
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51,423 -> 137,423
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504,418 -> 809,723
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131,842 -> 914,59
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727,790 -> 82,145
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281,509 -> 841,509
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797,807 -> 834,807
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333,499 -> 790,499
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215,328 -> 215,139
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500,898 -> 500,862
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75,217 -> 777,919
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17,264 -> 17,446
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852,755 -> 150,755
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865,186 -> 385,186
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158,192 -> 158,733
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196,261 -> 196,128
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989,960 -> 131,102
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807,393 -> 807,153
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507,579 -> 507,764
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468,76 -> 535,76
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381,357 -> 659,357
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794,277 -> 749,277
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51,152 -> 546,647
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797,959 -> 458,959
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82,156 -> 967,156
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261,624 -> 460,624
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597,53 -> 197,53
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153,507 -> 411,765
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305,717 -> 768,717
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344,954 -> 344,217
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194,432 -> 545,432
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346,46 -> 557,46
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685,599 -> 685,312
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49,719 -> 49,631
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499,668 -> 304,863
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262,405 -> 554,405
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87,64 -> 295,64
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859,675 -> 74,675
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663,776 -> 99,212
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232,189 -> 232,904
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777,276 -> 703,276
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704,492 -> 86,492
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142,736 -> 514,364
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418,611 -> 224,417
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602,571 -> 602,424
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152,603 -> 248,603
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915,673 -> 143,673
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538,32 -> 128,32
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975,885 -> 975,344
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870,511 -> 870,756
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330,798 -> 46,798
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440,195 -> 587,195
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739,237 -> 568,66
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54,838 -> 196,980
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370,556 -> 47,556
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124,575 -> 748,575
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261,283 -> 880,902
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784,91 -> 426,449
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764,670 -> 148,670
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32,51 -> 967,986
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807,906 -> 10,906
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470,488 -> 579,597
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274,649 -> 285,649
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221,540 -> 221,94
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914,957 -> 914,510
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879,825 -> 145,91
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438,833 -> 438,775
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191,844 -> 911,124
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145,763 -> 595,763
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504,81 -> 622,199
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834,206 -> 834,704
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908,308 -> 815,308
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929,567 -> 929,322
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805,50 -> 620,235
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36,409 -> 133,312
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345,375 -> 19,701
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468,948 -> 468,108
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109,547 -> 446,547
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929,916 -> 69,56
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927,857 -> 318,248
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833,948 -> 833,61
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559,787 -> 559,982
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293,825 -> 293,775
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508,744 -> 545,744
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827,713 -> 753,639
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88,775 -> 555,775
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523,812 -> 684,812
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307,142 -> 307,265
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636,40 -> 355,321
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891,875 -> 891,25
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301,423 -> 712,12
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922,187 -> 219,890
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45,447 -> 230,262
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114,568 -> 233,687
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573,398 -> 677,398
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334,101 -> 324,101
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957,277 -> 957,652
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943,834 -> 610,834
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523,632 -> 523,379
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958,361 -> 90,361
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408,824 -> 380,824
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647,314 -> 647,449
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747,83 -> 59,83
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776,104 -> 937,104
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16,984 -> 989,11
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362,581 -> 362,226
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72,962 -> 940,94
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319,877 -> 319,122
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310,206 -> 986,882
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794,877 -> 267,877
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855,58 -> 976,58
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699,971 -> 598,971
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162,556 -> 162,440
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494,859 -> 494,255
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794,210 -> 142,862
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275,510 -> 548,510
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739,592 -> 739,793
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376,985 -> 376,990
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755,264 -> 280,739
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187,34 -> 187,688
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770,827 -> 770,548
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10,68 -> 913,971
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571,427 -> 571,944
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153,211 -> 153,560
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976,972 -> 55,51
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103,611 -> 674,40
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95,972 -> 924,143
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929,94 -> 38,985
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777,330 -> 60,330
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312,430 -> 312,326
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549,433 -> 269,433
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477,267 -> 477,403
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598,375 -> 19,375
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512,799 -> 512,831
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348,700 -> 348,43
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165,97 -> 63,199
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38,835 -> 38,828
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282,334 -> 282,909
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14,891 -> 390,515
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930,657 -> 334,61
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630,341 -> 630,85
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671,464 -> 319,112
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949,340 -> 894,285
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663,916 -> 245,916
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114,395 -> 286,223
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335,804 -> 529,804
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567,338 -> 14,891
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623,705 -> 379,949
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82,864 -> 545,401
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932,128 -> 932,134
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291,294 -> 291,101
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739,765 -> 739,757
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460,94 -> 892,94
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375,673 -> 367,681
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81,831 -> 90,831
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890,402 -> 890,138
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775,547 -> 790,547
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49,927 -> 966,10
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23,116 -> 257,116
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923,75 -> 18,980
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63,986 -> 687,362
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369,844 -> 357,844
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790,188 -> 644,188
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557,282 -> 557,669
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861,173 -> 390,644
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480,529 -> 893,529
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32,960 -> 830,162
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368,725 -> 368,40
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502,600 -> 701,600
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63,977 -> 873,167
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463,518 -> 788,193
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738,406 -> 324,406
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162,931 -> 822,931
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377,487 -> 707,817
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610,319 -> 901,319
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586,658 -> 690,658
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25,288 -> 53,288
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760,602 -> 760,628
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294,62 -> 951,62
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222,773 -> 661,334
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151,483 -> 646,483
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272,852 -> 317,852
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557,906 -> 503,960
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736,445 -> 736,703
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241,376 -> 241,692
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835,41 -> 835,369
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987,743 -> 987,210
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42,700 -> 42,244
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646,136 -> 646,440
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544,751 -> 404,751
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295,651 -> 295,805
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687,878 -> 113,878
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290,142 -> 604,142
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579,920 -> 579,807
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12,985 -> 987,10
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919,940 -> 919,808
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770,143 -> 770,832
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114,76 -> 962,76
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876,882 -> 428,434
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861,139 -> 861,320
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888,59 -> 888,39
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629,823 -> 707,823
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296,598 -> 296,305
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61,54 -> 578,54
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864,58 -> 253,58
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71,861 -> 306,861
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682,181 -> 326,537
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307,418 -> 307,910
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810,251 -> 810,431
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151,836 -> 602,385
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954,987 -> 243,276
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724,272 -> 350,646
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134,295 -> 434,295
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178,235 -> 802,859
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832,688 -> 832,573
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165,334 -> 165,378
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816,26 -> 114,728
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668,192 -> 540,192
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730,341 -> 969,341
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951,169 -> 286,834
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647,115 -> 886,115
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664,288 -> 507,131
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609,362 -> 609,295
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747,479 -> 287,19
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350,967 -> 350,725
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117,383 -> 311,383
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871,124 -> 292,124
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654,271 -> 547,271
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525,773 -> 345,953
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401,670 -> 610,670
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930,196 -> 301,825
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336,37 -> 961,662
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714,212 -> 714,667
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454,848 -> 454,107
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587,390 -> 587,577
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530,437 -> 542,437
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304,229 -> 517,229
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340,571 -> 766,571
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727,941 -> 138,352
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831,325 -> 11,325
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||||
241,294 -> 403,456
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||||
788,658 -> 788,126
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337,360 -> 337,589
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||||
799,402 -> 342,402
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||||
530,820 -> 530,319
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||||
982,27 -> 20,989
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923,936 -> 923,721
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581,395 -> 64,912
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61,509 -> 61,827
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||||
989,580 -> 610,580
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||||
477,592 -> 219,592
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||||
296,775 -> 296,58
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||||
204,12 -> 204,457
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||||
190,171 -> 190,673
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||||
939,200 -> 939,457
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||||
472,282 -> 472,631
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||||
983,331 -> 734,331
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||||
365,609 -> 365,817
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||||
640,698 -> 145,698
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||||
103,618 -> 549,618
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454,319 -> 454,346
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650,815 -> 381,546
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624,603 -> 507,603
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966,445 -> 723,445
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763,129 -> 763,784
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695,145 -> 695,511
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498,84 -> 435,147
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188,716 -> 967,716
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810,446 -> 810,924
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731,483 -> 731,51
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307,783 -> 307,533
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15,956 -> 956,15
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192,210 -> 882,210
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303,173 -> 38,438
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769,952 -> 769,863
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135,781 -> 405,781
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494,436 -> 494,892
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705,394 -> 714,394
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164,37 -> 164,633
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813,232 -> 813,620
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227,906 -> 222,906
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542,432 -> 414,432
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549,858 -> 88,397
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200,101 -> 958,859
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235,565 -> 469,331
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492,871 -> 503,882
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704,398 -> 869,563
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450,736 -> 746,736
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420,706 -> 420,635
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717,493 -> 686,524
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187,554 -> 717,24
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31,851 -> 315,851
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800,230 -> 466,230
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226,324 -> 226,614
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937,927 -> 937,798
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143,26 -> 534,417
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952,344 -> 12,344
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181,361 -> 782,361
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925,906 -> 415,396
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685,944 -> 470,944
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200,627 -> 290,627
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728,285 -> 728,326
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271,864 -> 271,34
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802,558 -> 207,558
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963,26 -> 84,905
|
||||
504,60 -> 529,60
|
||||
840,292 -> 180,292
|
||||
914,272 -> 914,330
|
||||
82,107 -> 925,950
|
||||
33,245 -> 33,134
|
||||
463,663 -> 463,82
|
||||
27,305 -> 27,675
|
||||
276,894 -> 891,279
|
||||
746,325 -> 746,948
|
||||
249,657 -> 341,749
|
||||
530,848 -> 28,346
|
||||
798,617 -> 798,609
|
||||
119,767 -> 312,767
|
||||
80,18 -> 674,18
|
||||
723,374 -> 583,374
|
||||
582,985 -> 239,642
|
||||
217,765 -> 217,395
|
||||
811,159 -> 609,159
|
||||
689,896 -> 501,896
|
||||
562,881 -> 562,96
|
||||
244,621 -> 629,621
|
||||
277,379 -> 277,287
|
||||
856,153 -> 20,153
|
||||
518,228 -> 518,898
|
||||
230,789 -> 243,789
|
||||
534,335 -> 534,592
|
||||
240,790 -> 413,617
|
||||
768,615 -> 768,560
|
||||
773,101 -> 912,101
|
||||
252,571 -> 767,56
|
||||
370,595 -> 681,906
|
||||
565,176 -> 565,318
|
||||
750,465 -> 750,724
|
||||
979,130 -> 120,989
|
||||
160,153 -> 160,785
|
||||
610,222 -> 610,191
|
||||
873,124 -> 130,867
|
||||
519,593 -> 519,32
|
||||
525,947 -> 525,562
|
||||
50,292 -> 291,533
|
||||
558,927 -> 960,525
|
||||
536,694 -> 249,981
|
||||
954,896 -> 277,896
|
||||
732,202 -> 732,288
|
||||
447,989 -> 541,895
|
||||
890,754 -> 367,231
|
||||
368,89 -> 564,285
|
||||
588,100 -> 588,156
|
||||
282,313 -> 943,974
|
||||
16,792 -> 495,792
|
||||
111,591 -> 111,493
|
||||
57,713 -> 685,85
|
||||
676,632 -> 676,575
|
||||
560,708 -> 560,602
|
||||
489,288 -> 489,404
|
||||
904,515 -> 443,54
|
||||
70,977 -> 985,62
|
||||
11,119 -> 11,403
|
||||
215,859 -> 937,137
|
||||
78,469 -> 110,437
|
||||
747,605 -> 747,369
|
||||
847,598 -> 847,299
|
||||
742,695 -> 159,112
|
||||
986,370 -> 986,460
|
||||
631,900 -> 771,760
|
||||
228,406 -> 683,861
|
||||
189,639 -> 61,639
|
||||
221,650 -> 820,650
|
||||
558,569 -> 834,845
|
||||
655,533 -> 558,630
|
||||
967,921 -> 967,169
|
||||
230,308 -> 429,308
|
||||
873,762 -> 873,528
|
||||
412,151 -> 412,538
|
||||
881,587 -> 881,21
|
||||
941,45 -> 26,960
|
||||
377,126 -> 700,126
|
@ -5,6 +5,13 @@ from pathlib import Path
|
||||
|
||||
lines = sys.stdin.read().splitlines()
|
||||
|
||||
# we are going to use Path to create path and go up/down in the file tree since it
|
||||
# implements everything we need
|
||||
#
|
||||
# we can use .resolve() to get normalized path, although this will add C:\ to all paths
|
||||
# on Windows but that is not an issue since only the sizes matter
|
||||
#
|
||||
|
||||
# mapping from path to list of files or directories
|
||||
trees: dict[Path, list[Path]] = {}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user