Online PHP editor | output for 84haQ

<?php $sInput = 'toggle 461,550 through 564,900 turn off 370,39 through 425,839 turn off 464,858 through 833,915 turn off 812,389 through 865,874 turn on 599,989 through 806,993 turn on 376,415 through 768,548 turn on 606,361 through 892,600 turn off 448,208 through 645,684 toggle 50,472 through 452,788 toggle 205,417 through 703,826 toggle 533,331 through 906,873 toggle 857,493 through 989,970 turn off 631,950 through 894,975 turn off 387,19 through 720,700 turn off 511,843 through 581,945 toggle 514,557 through 662,883 turn off 269,809 through 876,847 turn off 149,517 through 716,777 turn off 994,939 through 998,988 toggle 467,662 through 555,957 turn on 952,417 through 954,845 turn on 565,226 through 944,880 turn on 214,319 through 805,722 toggle 532,276 through 636,847 toggle 619,80 through 689,507 turn on 390,706 through 884,722 toggle 17,634 through 537,766 toggle 706,440 through 834,441 toggle 318,207 through 499,530 toggle 698,185 through 830,343 toggle 566,679 through 744,716 toggle 347,482 through 959,482 toggle 39,799 through 981,872 turn on 583,543 through 846,710 turn off 367,664 through 595,872 turn on 805,439 through 964,995 toggle 209,584 through 513,802 turn off 106,497 through 266,770 turn on 975,2 through 984,623 turn off 316,684 through 369,876 turn off 30,309 through 259,554 turn off 399,680 through 861,942 toggle 227,740 through 850,829 turn on 386,603 through 552,879 turn off 703,795 through 791,963 turn off 573,803 through 996,878 turn off 993,939 through 997,951 turn on 809,221 through 869,723 turn off 38,720 through 682,751 turn off 318,732 through 720,976 toggle 88,459 through 392,654 turn off 865,654 through 911,956 toggle 264,284 through 857,956 turn off 281,776 through 610,797 toggle 492,660 through 647,910 turn off 879,703 through 925,981 turn off 772,414 through 974,518 turn on 694,41 through 755,96 turn on 452,406 through 885,881 turn off 107,905 through 497,910 turn off 647,222 through 910,532 turn on 679,40 through 845,358 turn off 144,205 through 556,362 turn on 871,804 through 962,878 turn on 545,676 through 545,929 turn off 316,716 through 413,941 toggle 488,826 through 755,971 toggle 957,832 through 976,992 toggle 857,770 through 905,964 toggle 319,198 through 787,673 turn on 832,813 through 863,844 turn on 818,296 through 818,681 turn on 71,699 through 91,960 turn off 838,578 through 967,928 toggle 440,856 through 507,942 toggle 121,970 through 151,974 toggle 391,192 through 659,751 turn on 78,210 through 681,419 turn on 324,591 through 593,939 toggle 159,366 through 249,760 turn off 617,167 through 954,601 toggle 484,607 through 733,657 turn on 587,96 through 888,819 turn off 680,984 through 941,991 turn on 800,512 through 968,691 turn off 123,588 through 853,603 turn on 1,862 through 507,912 turn on 699,839 through 973,878 turn off 848,89 through 887,893 toggle 344,353 through 462,403 turn on 780,731 through 841,760 toggle 693,973 through 847,984 toggle 989,936 through 996,958 toggle 168,475 through 206,963 turn on 742,683 through 769,845 toggle 768,116 through 987,396 turn on 190,364 through 617,526 turn off 470,266 through 530,839 toggle 122,497 through 969,645 turn off 492,432 through 827,790 turn on 505,636 through 957,820 turn on 295,476 through 698,958 toggle 63,298 through 202,396 turn on 157,315 through 412,939 turn off 69,789 through 134,837 turn off 678,335 through 896,541 toggle 140,516 through 842,668 turn off 697,585 through 712,668 toggle 507,832 through 578,949 turn on 678,279 through 886,621 toggle 449,744 through 826,910 turn off 835,354 through 921,741 toggle 924,878 through 985,952 turn on 666,503 through 922,905 turn on 947,453 through 961,587 toggle 525,190 through 795,654 turn off 62,320 through 896,362 turn on 21,458 through 972,536 turn on 446,429 through 821,970 toggle 376,423 through 805,455 toggle 494,896 through 715,937 turn on 583,270 through 667,482 turn off 183,468 through 280,548 toggle 623,289 through 750,524 turn on 836,706 through 967,768 turn on 419,569 through 912,908 turn on 428,260 through 660,433 turn off 683,627 through 916,816 turn on 447,973 through 866,980 turn on 688,607 through 938,990 turn on 245,187 through 597,405 turn off 558,843 through 841,942 turn off 325,666 through 713,834 toggle 672,606 through 814,935 turn off 161,812 through 490,954 turn on 950,362 through 985,898 turn on 143,22 through 205,821 turn on 89,762 through 607,790 toggle 234,245 through 827,303 turn on 65,599 through 764,997 turn on 232,466 through 965,695 turn on 739,122 through 975,590 turn off 206,112 through 940,558 toggle 690,365 through 988,552 turn on 907,438 through 977,691 turn off 838,809 through 944,869 turn on 222,12 through 541,832 toggle 337,66 through 669,812 turn on 732,821 through 897,912 toggle 182,862 through 638,996 turn on 955,808 through 983,847 toggle 346,227 through 841,696 turn on 983,270 through 989,756 turn off 874,849 through 876,905 turn off 7,760 through 678,795 toggle 973,977 through 995,983 turn off 911,961 through 914,976 turn on 913,557 through 952,722 turn off 607,933 through 939,999 turn on 226,604 through 517,622 turn off 3,564 through 344,842 toggle 340,578 through 428,610 turn on 248,916 through 687,925 toggle 650,185 through 955,965 toggle 831,359 through 933,536 turn off 544,614 through 896,953 toggle 648,939 through 975,997 turn on 464,269 through 710,521 turn off 643,149 through 791,320 turn off 875,549 through 972,643 turn off 953,969 through 971,972 turn off 236,474 through 772,591 toggle 313,212 through 489,723 toggle 896,829 through 897,837 toggle 544,449 through 995,905 turn off 278,645 through 977,876 turn off 887,947 through 946,977 turn on 342,861 through 725,935 turn on 636,316 through 692,513 toggle 857,470 through 950,528 turn off 736,196 through 826,889 turn on 17,878 through 850,987 turn on 142,968 through 169,987 turn on 46,470 through 912,853 turn on 182,252 through 279,941 toggle 261,143 through 969,657 turn off 69,600 through 518,710 turn on 372,379 through 779,386 toggle 867,391 through 911,601 turn off 174,287 through 900,536 toggle 951,842 through 993,963 turn off 626,733 through 985,827 toggle 622,70 through 666,291 turn off 980,671 through 985,835 turn off 477,63 through 910,72 turn off 779,39 through 940,142 turn on 986,570 through 997,638 toggle 842,805 through 943,985 turn off 890,886 through 976,927 turn off 893,172 through 897,619 turn off 198,780 through 835,826 toggle 202,209 through 219,291 turn off 193,52 through 833,283 toggle 414,427 through 987,972 turn on 375,231 through 668,236 turn off 646,598 through 869,663 toggle 271,462 through 414,650 turn off 679,121 through 845,467 toggle 76,847 through 504,904 turn off 15,617 through 509,810 toggle 248,105 through 312,451 turn off 126,546 through 922,879 turn on 531,831 through 903,872 toggle 602,431 through 892,792 turn off 795,223 through 892,623 toggle 167,721 through 533,929 toggle 813,251 through 998,484 toggle 64,640 through 752,942 turn on 155,955 through 892,985 turn on 251,329 through 996,497 turn off 341,716 through 462,994 toggle 760,127 through 829,189 turn on 86,413 through 408,518 toggle 340,102 through 918,558 turn off 441,642 through 751,889 turn on 785,292 through 845,325 turn off 123,389 through 725,828 turn on 905,73 through 983,270 turn off 807,86 through 879,276 toggle 500,866 through 864,916 turn on 809,366 through 828,534 toggle 219,356 through 720,617 turn off 320,964 through 769,990 turn off 903,167 through 936,631 toggle 300,137 through 333,693 toggle 5,675 through 755,848 turn off 852,235 through 946,783 toggle 355,556 through 941,664 turn on 810,830 through 867,891 turn off 509,869 through 667,903 toggle 769,400 through 873,892 turn on 553,614 through 810,729 turn on 179,873 through 589,962 turn off 466,866 through 768,926 toggle 143,943 through 465,984 toggle 182,380 through 569,552 turn off 735,808 through 917,910 turn on 731,802 through 910,847 turn off 522,74 through 731,485 turn on 444,127 through 566,996 turn off 232,962 through 893,979 turn off 231,492 through 790,976 turn on 874,567 through 943,684 toggle 911,840 through 990,932 toggle 547,895 through 667,935 turn off 93,294 through 648,636 turn off 190,902 through 532,970 turn off 451,530 through 704,613 toggle 936,774 through 937,775 turn off 116,843 through 533,934 turn on 950,906 through 986,993 turn on 910,51 through 945,989 turn on 986,498 through 994,945 turn off 125,324 through 433,704 turn off 60,313 through 75,728 turn on 899,494 through 940,947 toggle 832,316 through 971,817 toggle 994,983 through 998,984 toggle 23,353 through 917,845 toggle 174,799 through 658,859 turn off 490,878 through 534,887 turn off 623,963 through 917,975 toggle 721,333 through 816,975 toggle 589,687 through 890,921 turn on 936,388 through 948,560 turn off 485,17 through 655,610 turn on 435,158 through 689,495 turn on 192,934 through 734,936 turn off 299,723 through 622,847 toggle 484,160 through 812,942 turn off 245,754 through 818,851 turn on 298,419 through 824,634 toggle 868,687 through 969,760 toggle 131,250 through 685,426 turn off 201,954 through 997,983 turn on 353,910 through 832,961 turn off 518,781 through 645,875 turn off 866,97 through 924,784 toggle 836,599 through 857,767 turn on 80,957 through 776,968 toggle 277,130 through 513,244 turn off 62,266 through 854,434 turn on 792,764 through 872,842 turn off 160,949 through 273,989 turn off 664,203 through 694,754 toggle 491,615 through 998,836 turn off 210,146 through 221,482 turn off 209,780 through 572,894 turn on 766,112 through 792,868 turn on 222,12 through 856,241'; $aLights = array(); for($x = 0; $x < 1000; $x++) { for($y = 0; $y < 1000; $y++) { $aLights[$x . 'x' . $y] = false; } } $aInput = explode("\r\n", $sInput); foreach($aInput as $sInput) { preg_match('#(?<action>turn (?:on|off)|toggle) (?<from_x>[0-9]{1,3}),(?<from_y>[0-9]{1,3}) through (?<to_x>[0-9]{1,3}),(?<to_y>[0-9]{1,3})#', $sInput, $aMatch); for($x = $aMatch['from_x']; $x <= $aMatch['to_x']; $x++) { for($y = $aMatch['from_y']; $y <= $aMatch['to_y']; $y++) { switch($aMatch['action']) { case 'turn on': $aLights[$x . 'x' . $y] = true; break; case 'turn off': $aLights[$x . 'x' . $y] = false; break; case 'toggle': $aLights[$x . 'x' . $y] = ($aLights[$x . 'x' . $y] ? false : true); break; } } } } echo count(array_filter($aLights));