Online PHP editor | output for VaRvR

<?php $input = <<<EOL turn on 489,959 through 759,964 turn off 820,516 through 871,914 turn off 427,423 through 929,502 turn on 774,14 through 977,877 turn on 410,146 through 864,337 turn on 931,331 through 939,812 turn off 756,53 through 923,339 turn off 313,787 through 545,979 turn off 12,823 through 102,934 toggle 756,965 through 812,992 turn off 743,684 through 789,958 toggle 120,314 through 745,489 toggle 692,845 through 866,994 turn off 587,176 through 850,273 turn off 674,321 through 793,388 toggle 749,672 through 973,965 turn on 943,30 through 990,907 turn on 296,50 through 729,664 turn on 212,957 through 490,987 toggle 171,31 through 688,88 turn off 991,989 through 994,998 turn off 913,943 through 958,953 turn off 278,258 through 367,386 toggle 275,796 through 493,971 turn off 70,873 through 798,923 toggle 258,985 through 663,998 turn on 601,259 through 831,486 turn off 914,94 through 941,102 turn off 558,161 through 994,647 turn on 119,662 through 760,838 toggle 378,775 through 526,852 turn off 384,670 through 674,972 turn off 249,41 through 270,936 turn on 614,742 through 769,780 turn on 427,70 through 575,441 turn on 410,478 through 985,753 turn off 619,46 through 931,342 turn on 284,55 through 768,922 turn off 40,592 through 728,685 turn on 825,291 through 956,950 turn on 147,843 through 592,909 turn off 218,675 through 972,911 toggle 249,291 through 350,960 turn off 556,80 through 967,675 toggle 609,148 through 968,279 toggle 217,605 through 961,862 toggle 407,177 through 548,910 toggle 400,936 through 599,938 turn off 721,101 through 925,455 turn on 268,631 through 735,814 toggle 549,969 through 612,991 toggle 553,268 through 689,432 turn off 817,668 through 889,897 toggle 801,544 through 858,556 toggle 615,729 through 832,951 turn off 427,477 through 958,948 turn on 164,49 through 852,946 turn on 542,449 through 774,776 turn off 923,196 through 980,446 toggle 90,310 through 718,846 turn off 657,215 through 744,252 turn off 800,239 through 811,712 turn on 502,90 through 619,760 toggle 649,512 through 862,844 turn off 334,903 through 823,935 turn off 630,233 through 839,445 turn on 713,67 through 839,865 turn on 932,50 through 982,411 turn off 480,729 through 984,910 turn on 100,219 through 796,395 turn on 758,108 through 850,950 turn off 427,276 through 439,938 turn on 178,284 through 670,536 toggle 540,27 through 625,102 turn off 906,722 through 936,948 toggle 345,418 through 859,627 toggle 175,775 through 580,781 toggle 863,28 through 929,735 turn off 824,858 through 905,973 toggle 752,312 through 863,425 turn on 985,716 through 988,852 turn off 68,504 through 763,745 toggle 76,209 through 810,720 turn off 657,607 through 676,664 toggle 596,869 through 896,921 turn off 915,411 through 968,945 turn off 368,39 through 902,986 turn on 11,549 through 393,597 turn off 842,893 through 976,911 toggle 274,106 through 581,329 toggle 406,403 through 780,950 toggle 408,988 through 500,994 toggle 217,73 through 826,951 turn on 917,872 through 961,911 toggle 394,34 through 510,572 toggle 424,603 through 583,626 toggle 106,159 through 755,738 turn off 244,610 through 472,709 turn on 350,265 through 884,690 turn on 688,184 through 928,280 toggle 279,443 through 720,797 turn off 615,493 through 888,610 toggle 118,413 through 736,632 turn on 798,782 through 829,813 turn off 250,934 through 442,972 turn on 68,503 through 400,949 toggle 297,482 through 313,871 toggle 710,3 through 839,859 turn on 125,300 through 546,888 toggle 482,39 through 584,159 turn off 536,89 through 765,962 turn on 530,518 through 843,676 turn on 994,467 through 994,676 turn on 623,628 through 744,927 toggle 704,912 through 837,983 turn on 154,364 through 517,412 toggle 344,409 through 780,524 turn off 578,740 through 725,879 turn on 251,933 through 632,957 turn on 827,705 through 971,789 toggle 191,282 through 470,929 toggle 324,525 through 446,867 toggle 534,343 through 874,971 toggle 550,650 through 633,980 toggle 837,404 through 881,915 toggle 338,881 through 845,905 turn on 469,462 through 750,696 turn on 741,703 through 892,870 turn off 570,215 through 733,562 turn on 445,576 through 870,775 turn on 466,747 through 554,878 turn off 820,453 through 868,712 turn off 892,706 through 938,792 turn off 300,238 through 894,746 turn off 306,44 through 457,444 turn off 912,569 through 967,963 toggle 109,756 through 297,867 turn on 37,546 through 41,951 turn on 321,637 through 790,910 toggle 66,50 through 579,301 toggle 933,221 through 933,791 turn on 486,676 through 878,797 turn on 417,231 through 556,317 toggle 904,468 through 981,873 turn on 417,675 through 749,712 turn on 692,371 through 821,842 toggle 324,73 through 830,543 turn on 912,490 through 977,757 turn off 634,872 through 902,949 toggle 266,779 through 870,798 turn on 772,982 through 990,996 turn off 607,46 through 798,559 turn on 295,602 through 963,987 turn on 657,86 through 944,742 turn off 334,639 through 456,821 turn off 997,667 through 997,670 turn off 725,832 through 951,945 turn off 30,120 through 952,984 turn on 860,965 through 917,976 toggle 471,997 through 840,998 turn off 319,307 through 928,504 toggle 823,631 through 940,908 toggle 969,984 through 981,993 turn off 691,319 through 865,954 toggle 911,926 through 938,929 turn on 953,937 through 968,991 toggle 914,643 through 975,840 turn on 266,982 through 436,996 turn off 101,896 through 321,932 turn off 193,852 through 751,885 turn off 576,532 through 863,684 turn on 761,456 through 940,783 turn on 20,290 through 398,933 turn off 435,335 through 644,652 turn on 830,569 through 905,770 turn off 630,517 through 905,654 turn on 664,53 through 886,976 toggle 275,416 through 408,719 turn on 370,621 through 515,793 turn on 483,373 through 654,749 turn on 656,786 through 847,928 turn off 532,752 through 945,974 toggle 301,150 through 880,792 turn off 951,488 through 958,952 turn on 207,729 through 882,828 toggle 694,532 through 973,961 toggle 676,639 through 891,802 turn off 653,6 through 905,519 toggle 391,109 through 418,312 turn on 877,423 through 957,932 turn on 340,145 through 563,522 turn off 978,467 through 988,895 turn off 396,418 through 420,885 turn off 31,308 through 816,316 turn on 107,675 through 758,824 turn on 61,82 through 789,876 turn on 750,743 through 754,760 toggle 88,733 through 736,968 turn off 754,349 through 849,897 toggle 157,50 through 975,781 turn off 230,231 through 865,842 turn off 516,317 through 630,329 turn off 697,820 through 829,903 turn on 218,250 through 271,732 toggle 56,167 through 404,431 toggle 626,891 through 680,927 toggle 370,207 through 791,514 toggle 860,74 through 949,888 turn on 416,527 through 616,541 turn off 745,449 through 786,908 turn on 485,554 through 689,689 turn on 586,62 through 693,141 toggle 506,759 through 768,829 turn on 473,109 through 929,166 turn on 760,617 through 773,789 toggle 595,683 through 618,789 turn off 210,775 through 825,972 toggle 12,426 through 179,982 turn on 774,539 through 778,786 turn on 102,498 through 121,807 turn off 706,897 through 834,965 turn off 678,529 through 824,627 turn on 7,765 through 615,870 turn off 730,872 through 974,943 turn off 595,626 through 836,711 turn off 215,424 through 841,959 toggle 341,780 through 861,813 toggle 507,503 through 568,822 turn on 252,603 through 349,655 toggle 93,521 through 154,834 turn on 565,682 through 951,954 turn on 544,318 through 703,418 toggle 756,953 through 891,964 turn on 531,123 through 856,991 turn on 148,315 through 776,559 turn off 925,835 through 963,971 turn on 895,944 through 967,964 turn off 102,527 through 650,747 toggle 626,105 through 738,720 turn off 160,75 through 384,922 toggle 813,724 through 903,941 turn on 207,107 through 982,849 toggle 750,505 through 961,697 toggle 105,410 through 885,819 turn on 226,104 through 298,283 turn off 224,604 through 508,762 turn on 477,368 through 523,506 turn off 477,901 through 627,936 turn off 887,131 through 889,670 turn on 896,994 through 938,999 toggle 401,580 through 493,728 toggle 987,184 through 991,205 turn on 821,643 through 882,674 toggle 784,940 through 968,959 turn off 251,293 through 274,632 turn off 339,840 through 341,844 turn off 675,351 through 675,836 toggle 918,857 through 944,886 toggle 70,253 through 918,736 turn off 612,604 through 772,680 turn off 277,40 through 828,348 toggle 692,139 through 698,880 toggle 124,446 through 883,453 toggle 969,932 through 990,945 toggle 855,692 through 993,693 toggle 722,472 through 887,899 toggle 978,149 through 985,442 toggle 837,540 through 916,889 turn off 612,2 through 835,82 toggle 560,767 through 878,856 turn on 461,734 through 524,991 toggle 206,824 through 976,912 turn on 826,610 through 879,892 turn on 577,699 through 956,933 turn off 9,250 through 50,529 turn off 77,657 through 817,677 turn on 68,419 through 86,426 turn on 991,720 through 992,784 turn on 668,20 through 935,470 turn off 133,418 through 613,458 turn off 487,286 through 540,328 toggle 247,874 through 840,955 toggle 301,808 through 754,970 turn off 34,194 through 578,203 turn off 451,49 through 492,921 turn on 907,256 through 912,737 turn off 479,305 through 702,587 turn on 545,583 through 732,749 toggle 11,16 through 725,868 turn on 965,343 through 986,908 turn on 674,953 through 820,965 toggle 398,147 through 504,583 turn off 778,194 through 898,298 turn on 179,140 through 350,852 turn off 241,118 through 530,832 turn off 41,447 through 932,737 turn off 820,663 through 832,982 turn on 550,460 through 964,782 turn on 31,760 through 655,892 toggle 628,958 through 811,992 EOL; $grid = []; for ($x = 0; $x < 1000; $x++) { $grid[$x] = []; for ($y = 0; $y < 1000; $y++) { $grid[$x][$y] = 0; } } $commands = explode("\r\n", $input); foreach ($commands as $raw) { $command = str_replace("through ", "", str_replace("turn ", "", $raw)); list($action, $from, $to) = explode(" ", $command); $from = explode(",", $from); $to = explode(",", $to); for ($x = $from[0]; $x <= $to[0]; $x++) { for ($y = $from[1]; $y <= $to[1]; $y++) { switch($action) { case "on": $grid[$x][$y] = true; break; case "off": $grid[$x][$y] = false; break; case "toggle": $grid[$x][$y] = !$grid[$x][$y]; break; } } } } $i = 0; foreach ($grid as $line) { foreach ($line as $light) { if($light) { $i++; } } } echo $i;