Day 5 Checkin
+ Found a bug in read_input where previous inputs could collide with new inputs + That might need further investigation but a memset works for nowmain
parent
505d7d2033
commit
03b707c41a
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@ -3,5 +3,5 @@ project(aoc_2021 C)
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set(CMAKE_C_STANDARD 99)
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add_executable(aoc_2021 src/main.c src/day_1.c src/day.h src/day_2.c src/puzzle_input.c src/puzzle_input.h src/day_3.c src/day_4.c)
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add_executable(aoc_2021 src/main.c src/day_1.c src/day.h src/day_2.c src/puzzle_input.c src/puzzle_input.h src/day_3.c src/day_4.c src/day_5.c)
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target_link_libraries(aoc_2021 m)
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@ -0,0 +1,500 @@
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527,299 -> 430,299
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828,228 -> 81,228
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40,126 -> 842,928
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30,390 -> 30,741
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196,853 -> 196,599
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388,795 -> 388,300
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326,398 -> 326,766
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63,865 -> 63,407
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119,453 -> 282,453
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478,396 -> 824,396
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934,189 -> 612,189
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739,122 -> 306,555
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394,970 -> 394,249
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213,693 -> 213,336
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955,11 -> 688,11
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632,211 -> 818,211
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324,662 -> 66,404
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652,773 -> 811,614
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964,746 -> 402,184
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105,959 -> 850,214
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454,852 -> 594,852
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685,669 -> 124,669
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95,11 -> 873,789
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737,266 -> 484,266
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547,701 -> 764,484
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290,20 -> 290,164
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103,870 -> 283,870
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762,582 -> 762,431
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69,154 -> 55,154
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584,37 -> 308,37
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200,218 -> 200,336
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50,871 -> 766,155
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256,212 -> 919,875
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421,779 -> 959,241
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987,42 -> 304,725
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139,791 -> 330,600
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728,53 -> 845,53
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807,907 -> 423,907
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765,642 -> 868,642
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701,279 -> 701,75
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29,890 -> 542,890
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929,105 -> 59,975
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23,355 -> 485,817
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597,440 -> 454,440
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770,338 -> 629,338
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856,203 -> 856,858
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262,806 -> 951,806
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976,879 -> 976,179
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91,879 -> 950,20
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378,216 -> 378,440
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300,794 -> 507,794
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174,890 -> 907,157
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850,37 -> 171,37
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61,375 -> 117,375
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350,984 -> 460,984
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454,361 -> 672,361
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118,802 -> 118,448
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225,929 -> 974,180
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880,69 -> 341,608
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52,986 -> 891,147
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367,529 -> 367,707
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302,385 -> 674,385
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970,122 -> 145,947
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526,676 -> 214,364
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463,651 -> 463,708
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861,779 -> 168,86
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11,965 -> 913,63
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461,63 -> 944,63
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610,532 -> 199,121
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715,594 -> 512,594
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107,94 -> 490,94
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913,558 -> 404,558
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25,55 -> 911,941
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861,443 -> 861,329
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411,113 -> 884,113
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125,636 -> 740,636
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55,157 -> 815,917
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901,744 -> 547,744
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86,340 -> 86,866
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64,698 -> 270,698
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519,324 -> 371,324
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857,634 -> 857,35
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384,137 -> 28,137
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859,981 -> 859,302
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351,757 -> 351,204
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460,557 -> 460,792
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954,581 -> 112,581
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303,405 -> 303,599
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445,588 -> 246,588
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664,114 -> 664,107
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556,397 -> 556,714
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210,112 -> 939,841
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477,953 -> 180,656
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913,536 -> 913,333
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405,152 -> 552,152
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805,848 -> 805,12
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759,318 -> 759,163
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443,167 -> 231,167
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906,336 -> 906,122
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470,781 -> 546,705
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536,359 -> 814,81
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445,167 -> 935,167
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226,729 -> 730,729
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940,876 -> 510,446
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433,87 -> 533,87
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437,887 -> 186,887
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609,217 -> 431,217
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766,388 -> 663,388
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397,826 -> 82,826
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411,324 -> 411,437
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632,75 -> 632,290
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583,646 -> 836,899
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118,703 -> 118,307
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907,275 -> 721,275
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321,191 -> 321,362
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168,594 -> 168,55
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857,290 -> 284,290
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879,232 -> 879,456
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578,206 -> 28,756
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47,144 -> 47,777
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815,521 -> 445,151
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765,680 -> 523,438
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139,817 -> 534,422
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372,539 -> 36,539
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900,758 -> 900,987
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248,835 -> 558,835
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259,774 -> 472,774
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375,436 -> 172,436
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265,754 -> 265,556
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753,161 -> 753,307
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677,648 -> 677,743
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79,427 -> 79,34
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391,304 -> 754,304
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339,275 -> 339,548
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596,584 -> 596,684
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677,656 -> 64,43
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789,409 -> 814,434
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420,436 -> 822,436
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842,552 -> 181,552
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931,124 -> 69,986
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976,147 -> 97,147
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854,673 -> 400,219
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622,300 -> 622,339
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331,503 -> 331,585
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450,795 -> 489,756
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47,883 -> 920,10
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387,843 -> 793,843
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87,452 -> 583,948
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84,77 -> 610,603
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145,147 -> 903,147
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203,971 -> 203,67
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797,171 -> 713,171
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472,559 -> 872,959
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116,349 -> 116,43
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82,654 -> 461,275
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208,641 -> 208,25
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212,474 -> 198,488
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521,396 -> 187,396
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56,916 -> 937,916
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359,806 -> 888,806
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841,220 -> 841,857
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288,791 -> 288,610
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254,584 -> 254,37
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302,485 -> 743,926
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414,590 -> 510,686
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899,600 -> 132,600
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923,543 -> 93,543
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597,103 -> 918,103
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130,143 -> 920,933
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741,216 -> 867,216
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915,852 -> 723,852
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519,842 -> 541,842
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197,407 -> 197,526
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214,775 -> 214,728
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854,345 -> 938,345
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719,820 -> 788,751
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46,937 -> 758,225
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685,173 -> 685,354
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192,500 -> 500,500
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947,663 -> 335,51
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810,675 -> 209,74
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329,753 -> 62,753
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651,866 -> 614,866
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760,627 -> 258,627
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491,645 -> 491,473
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988,17 -> 22,983
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921,951 -> 14,44
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176,591 -> 176,750
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401,129 -> 381,129
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145,329 -> 145,905
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286,116 -> 273,103
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91,185 -> 91,756
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634,752 -> 634,14
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252,645 -> 290,645
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954,645 -> 954,350
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115,177 -> 115,121
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52,682 -> 52,51
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638,966 -> 841,763
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851,854 -> 152,155
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77,433 -> 599,955
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309,964 -> 309,426
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413,958 -> 413,235
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150,831 -> 150,118
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981,383 -> 422,942
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748,776 -> 748,631
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509,127 -> 509,231
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595,136 -> 301,136
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458,838 -> 458,912
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608,290 -> 239,290
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57,921 -> 946,32
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524,756 -> 317,963
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567,425 -> 567,443
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832,716 -> 740,716
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182,218 -> 650,686
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421,936 -> 127,642
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342,366 -> 441,267
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672,754 -> 376,754
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758,724 -> 758,379
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602,795 -> 349,795
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409,887 -> 988,308
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508,13 -> 561,66
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582,946 -> 369,733
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332,542 -> 136,346
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295,256 -> 926,256
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839,846 -> 839,698
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649,333 -> 522,333
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837,625 -> 837,184
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64,85 -> 618,639
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210,930 -> 414,930
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428,651 -> 214,651
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832,362 -> 832,926
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92,385 -> 92,799
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132,978 -> 747,978
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545,867 -> 545,947
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256,708 -> 239,725
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830,962 -> 570,962
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356,150 -> 781,575
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116,29 -> 965,878
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342,546 -> 53,835
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576,170 -> 780,170
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40,767 -> 656,151
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417,514 -> 417,114
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60,517 -> 60,137
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715,760 -> 557,760
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508,329 -> 508,371
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467,427 -> 19,427
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227,531 -> 742,16
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332,450 -> 867,450
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274,323 -> 524,323
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539,677 -> 460,677
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224,403 -> 224,845
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373,916 -> 366,916
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400,84 -> 400,895
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824,502 -> 824,804
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835,967 -> 347,479
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838,639 -> 838,798
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386,247 -> 616,17
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165,445 -> 408,445
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941,849 -> 913,849
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792,469 -> 792,600
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630,521 -> 630,344
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338,418 -> 298,458
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163,571 -> 527,571
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102,290 -> 911,290
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213,745 -> 213,267
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225,795 -> 778,242
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986,988 -> 10,12
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239,445 -> 239,829
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526,714 -> 526,225
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224,774 -> 953,45
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467,915 -> 467,291
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395,148 -> 204,339
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871,549 -> 392,549
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817,452 -> 939,330
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942,19 -> 942,937
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166,627 -> 207,627
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901,306 -> 901,158
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103,339 -> 466,339
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351,19 -> 815,19
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677,659 -> 203,185
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270,25 -> 46,25
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318,461 -> 318,129
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283,428 -> 884,428
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696,966 -> 893,966
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388,237 -> 381,230
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172,978 -> 172,18
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434,499 -> 156,777
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630,682 -> 501,682
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272,340 -> 251,361
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410,94 -> 410,885
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863,920 -> 747,920
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986,985 -> 14,13
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369,626 -> 256,513
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638,496 -> 571,496
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196,609 -> 638,609
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710,959 -> 454,959
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642,578 -> 642,468
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457,720 -> 379,798
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88,86 -> 88,320
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361,352 -> 157,556
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55,57 -> 450,57
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532,204 -> 532,750
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76,856 -> 658,274
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818,750 -> 397,329
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829,801 -> 128,100
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843,892 -> 433,892
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516,438 -> 516,59
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216,534 -> 216,914
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767,973 -> 56,973
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288,91 -> 342,91
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51,52 -> 417,418
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979,570 -> 497,570
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438,471 -> 579,330
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751,57 -> 751,619
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199,403 -> 118,403
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811,903 -> 251,343
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294,47 -> 950,703
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457,107 -> 967,617
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976,42 -> 34,984
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84,194 -> 265,194
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944,341 -> 131,341
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935,398 -> 276,398
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716,135 -> 513,135
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846,690 -> 846,950
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786,858 -> 786,960
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491,677 -> 491,57
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283,781 -> 15,513
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51,736 -> 557,230
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503,825 -> 928,825
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70,980 -> 960,90
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947,135 -> 732,350
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968,873 -> 336,241
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955,185 -> 157,983
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887,644 -> 887,530
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315,315 -> 604,604
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728,163 -> 728,67
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759,286 -> 759,55
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255,73 -> 653,471
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156,942 -> 983,115
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840,877 -> 69,106
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828,451 -> 828,117
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742,655 -> 349,655
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576,664 -> 576,427
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74,960 -> 962,72
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293,169 -> 711,169
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151,771 -> 929,771
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860,908 -> 427,475
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169,466 -> 279,356
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557,25 -> 24,25
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500,93 -> 108,93
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332,119 -> 463,119
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24,385 -> 739,385
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527,866 -> 985,866
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212,781 -> 595,398
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548,774 -> 730,774
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774,514 -> 30,514
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627,45 -> 627,885
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73,932 -> 984,21
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95,616 -> 811,616
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464,401 -> 458,401
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774,442 -> 534,202
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407,422 -> 407,211
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444,86 -> 444,358
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184,541 -> 184,325
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679,97 -> 841,259
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235,895 -> 571,895
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454,517 -> 121,517
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487,243 -> 564,243
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216,237 -> 953,974
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202,136 -> 202,536
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117,848 -> 762,203
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676,557 -> 89,557
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940,456 -> 940,548
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931,426 -> 899,426
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31,398 -> 145,398
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211,537 -> 589,159
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853,977 -> 673,977
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713,863 -> 216,366
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311,814 -> 335,814
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330,879 -> 127,879
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897,585 -> 185,585
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503,64 -> 677,64
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623,886 -> 254,517
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795,989 -> 795,516
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508,712 -> 904,316
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964,892 -> 101,29
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797,38 -> 797,901
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911,10 -> 632,10
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646,831 -> 284,831
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424,187 -> 957,720
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365,751 -> 538,578
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821,840 -> 38,57
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868,799 -> 242,799
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343,181 -> 555,393
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280,880 -> 280,795
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419,294 -> 419,79
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595,545 -> 595,775
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285,516 -> 285,816
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137,933 -> 137,61
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278,245 -> 610,577
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282,142 -> 21,142
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723,720 -> 251,248
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552,461 -> 654,461
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833,546 -> 785,546
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503,129 -> 450,76
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455,436 -> 653,436
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236,132 -> 926,822
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559,754 -> 559,615
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262,169 -> 275,169
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942,551 -> 942,273
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178,709 -> 178,69
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11,476 -> 811,476
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238,664 -> 238,867
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121,514 -> 278,514
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348,300 -> 348,453
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981,905 -> 981,139
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870,71 -> 870,69
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12,693 -> 931,693
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438,676 -> 110,348
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167,436 -> 167,839
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419,146 -> 170,146
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231,183 -> 231,278
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766,967 -> 700,967
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834,624 -> 445,624
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392,639 -> 392,808
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739,176 -> 161,176
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186,126 -> 186,451
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675,709 -> 675,629
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613,483 -> 981,483
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495,21 -> 581,107
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626,234 -> 111,234
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28,291 -> 28,883
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65,932 -> 942,55
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988,977 -> 54,43
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108,523 -> 108,820
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936,893 -> 211,168
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51,935 -> 957,29
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949,892 -> 108,51
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478,32 -> 228,32
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473,107 -> 82,498
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449,401 -> 449,645
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833,110 -> 295,648
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982,138 -> 982,111
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438,447 -> 661,224
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208,745 -> 917,36
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287,934 -> 832,389
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974,17 -> 974,105
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391,251 -> 517,377
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57,256 -> 57,704
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580,217 -> 626,171
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468,383 -> 348,383
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185,127 -> 185,851
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633,878 -> 20,265
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659,85 -> 659,698
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64,828 -> 64,592
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216,812 -> 287,812
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707,396 -> 707,167
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173,54 -> 173,723
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467,963 -> 936,963
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61,123 -> 371,433
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794,52 -> 794,595
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604,653 -> 244,293
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352,840 -> 90,840
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354,383 -> 788,383
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770,280 -> 770,621
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494,486 -> 897,486
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126,252 -> 361,252
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97,618 -> 491,224
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945,262 -> 945,72
|
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138,495 -> 138,107
|
||||
767,561 -> 304,561
|
||||
59,981 -> 841,199
|
||||
902,846 -> 499,846
|
||||
883,22 -> 128,22
|
||||
699,173 -> 840,32
|
||||
889,22 -> 113,798
|
||||
647,896 -> 647,226
|
||||
221,928 -> 221,66
|
||||
633,145 -> 648,130
|
||||
91,935 -> 91,162
|
||||
87,36 -> 983,932
|
||||
882,916 -> 638,916
|
||||
942,72 -> 38,976
|
||||
159,401 -> 123,437
|
||||
762,452 -> 762,721
|
||||
228,515 -> 130,613
|
||||
751,353 -> 387,717
|
||||
256,449 -> 256,811
|
||||
176,866 -> 176,778
|
||||
894,985 -> 894,462
|
||||
831,708 -> 148,25
|
||||
140,920 -> 574,920
|
||||
639,873 -> 585,873
|
||||
791,716 -> 224,149
|
||||
117,691 -> 117,158
|
||||
825,689 -> 873,641
|
||||
656,191 -> 134,191
|
||||
862,818 -> 78,34
|
||||
22,952 -> 961,13
|
||||
982,555 -> 982,21
|
||||
|
|
@ -5,5 +5,6 @@ int day_1();
|
|||
int day_2();
|
||||
int day_3();
|
||||
int day_4();
|
||||
int day_5();
|
||||
|
||||
#endif //AOC_2021_DAY_H
|
||||
|
|
|
|||
|
|
@ -0,0 +1,138 @@
|
|||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "puzzle_input.h"
|
||||
#include "day.h"
|
||||
|
||||
//#define DEBUG
|
||||
|
||||
#define MAX_VENT_LINES 1000
|
||||
#define GRID_SIZE 1000
|
||||
|
||||
typedef struct {
|
||||
int64_t start_x;
|
||||
int64_t start_y;
|
||||
int64_t end_x;
|
||||
int64_t end_y;
|
||||
} range_t;
|
||||
|
||||
parse_ret_t parse_vent_line(char * buffer, void * data, uint16_t index) {
|
||||
range_t * range_data = (range_t *)data;
|
||||
range_t *range = &range_data[index];
|
||||
parse_ret_t res;
|
||||
|
||||
char * start = strtok(buffer, " -> ");
|
||||
char * end = strtok(NULL, " -> ");
|
||||
|
||||
res = parse_long(strtok(start, ","), &range->start_x, 10);
|
||||
|
||||
if (res != PARSER_OK) {
|
||||
return res;
|
||||
}
|
||||
|
||||
res = parse_long(strtok(NULL, ","), &range->start_y, 10);
|
||||
|
||||
if (res != PARSER_OK) {
|
||||
return res;
|
||||
}
|
||||
|
||||
res = parse_long(strtok(end, ","), &range->end_x, 10);
|
||||
|
||||
if (res != PARSER_OK) {
|
||||
return res;
|
||||
}
|
||||
|
||||
res = parse_long(strtok(NULL, ","), &range->end_y, 10);
|
||||
|
||||
if (res != PARSER_OK) {
|
||||
return res;
|
||||
}
|
||||
|
||||
return PARSER_OK;
|
||||
}
|
||||
|
||||
int day_5() {
|
||||
range_t data[MAX_VENT_LINES];
|
||||
uint16_t len;
|
||||
uint8_t part1_grid[GRID_SIZE][GRID_SIZE] = {0};
|
||||
uint8_t part2_grid[GRID_SIZE][GRID_SIZE] = {0};
|
||||
|
||||
parse_ret_t res = read_input_single_line("../inputs/day_5.txt", (void *)data, MAX_VENT_LINES, parse_vent_line, &len);
|
||||
|
||||
if (res != PARSER_OK) {
|
||||
printf("Error parsing input: %d", res);
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (int line_ndx = 0; line_ndx < len; line_ndx++) {
|
||||
range_t * line = &data[line_ndx];
|
||||
int x = (int)line->start_x;
|
||||
int y = (int)line->start_y;
|
||||
|
||||
int x_done = 0;
|
||||
int y_done = 0;
|
||||
while (!x_done || !y_done) {
|
||||
if (line->start_x == line->end_x || line->start_y == line->end_y) {
|
||||
part1_grid[x][y]++;
|
||||
}
|
||||
|
||||
part2_grid[x][y]++;
|
||||
if (x == line->end_x) {
|
||||
x_done = 1;
|
||||
}
|
||||
else {
|
||||
if (line->start_x < line->end_x) {
|
||||
x++;
|
||||
}
|
||||
else {
|
||||
x--;
|
||||
}
|
||||
}
|
||||
|
||||
if (y == line->end_y) {
|
||||
y_done = 1;
|
||||
}
|
||||
else {
|
||||
if (line->start_y < line->end_y) {
|
||||
y++;
|
||||
}
|
||||
else {
|
||||
y--;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
uint16_t danger_points_p1 = 0;
|
||||
uint16_t danger_points_p2 = 0;
|
||||
for (int x = 0; x < GRID_SIZE; x++) {
|
||||
for (int y = 0; y < GRID_SIZE; y++) {
|
||||
#ifdef DEBUG
|
||||
|
||||
if (part2_grid[y][x] == 0) {
|
||||
printf(".");
|
||||
}
|
||||
else {
|
||||
printf("%d", part2_grid[y][x]);
|
||||
}
|
||||
#endif
|
||||
|
||||
if (part1_grid[x][y] >= 2) {
|
||||
danger_points_p1++;
|
||||
}
|
||||
|
||||
if (part2_grid[x][y] >= 2) {
|
||||
danger_points_p2++;
|
||||
}
|
||||
}
|
||||
#ifdef DEBUG
|
||||
printf("\n");
|
||||
#endif
|
||||
}
|
||||
|
||||
printf("PART 1: There are %d danger zones\n", danger_points_p1);
|
||||
printf("PART 2: There are %d danger zones\n", danger_points_p2);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -28,6 +28,9 @@ int main(int argc, char * argv[]) {
|
|||
case 4:
|
||||
day_4();
|
||||
break;
|
||||
case 5:
|
||||
day_5();
|
||||
break;
|
||||
default:
|
||||
printf("Invalid day ding dong!\n");
|
||||
return -2;
|
||||
|
|
|
|||
|
|
@ -73,6 +73,8 @@ parse_ret_t read_input_single_line(const char * file_path, void * data, uint16_t
|
|||
}
|
||||
|
||||
buffer_ndx = 0;
|
||||
|
||||
memset(buffer, 0, BUFFER_SIZE);
|
||||
}
|
||||
else {
|
||||
buffer[buffer_ndx] = (char)c;
|
||||
|
|
|
|||
Loading…
Reference in New Issue