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<?php $input = "turn off 499,499 through 500,500"; $lights = [[]]; for($i = 0; $i<1000; $i++){ for($j = 0; $j<1000; $j++){ $lights[$i][$j] = 0; } } $inputs = explode("\n",$input); function action($s){ $on = preg_match("/turn on/",$s); $off = preg_match("/turn off/",$s); $toggle = preg_match("/toggle/",$s); if($on > 0){ return 1; } else if($off>0){ return 2; } else if($toggle>0){ return 3; } } for($i = 0; $i < count($inputs); $i++){ $matches = null; preg_match_all("/\d{1,3},\d{1,3}/",$inputs[$i], $matches); $from = $matches[0]; $to = $matches[1]; $x1 = explode(",",$from)[0][0]; $y1 = explode(",",$from)[0][1]; $x2 = explode(",",$to)[0]; $y2 = explode(",",$to)[1]; for($j = $y1; $j<=$y2; $j++){ for($k = $x1; $k<=$x2; $k++){ if(action($inputs[$i])===1){ $lights[$j][$k] = 1; } else if(action($inputs[$i])===2){ $lights[$j][$k] = 0; } else if(action($inputs[$i])===3){ if($lights[$j][$k] == 0){ $lights[$j][$k] = 1; } else{ $lights[$j][$k] = 0; } } } } } $count = 0; for($i = 0; $i<1000; $i++){ for($j = 0; $j<1000; $j++){ if($lights[$i][$j] == 1){ $count++; } } } echo $count; ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.1, 8.1.28 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
Warning: Undefined array key 1 in /in/n9EkO on line 33 Fatal error: Uncaught TypeError: explode(): Argument #2 ($string) must be of type string, array given in /in/n9EkO:34 Stack trace: #0 /in/n9EkO(34): explode(',', Array) #1 {main} thrown in /in/n9EkO on line 34
Process exited with code 255.
Output for 8.1.2 - 8.1.27
Fatal error: Out of memory (allocated 31457280) (tried to allocate 36864 bytes) in /in/n9EkO on line 8 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Notice: Undefined offset: 1 in /in/n9EkO on line 33 Warning: explode() expects parameter 2 to be string, array given in /in/n9EkO on line 34 Notice: Trying to access array offset on value of type null in /in/n9EkO on line 34 Notice: Trying to access array offset on value of type null in /in/n9EkO on line 34 Warning: explode() expects parameter 2 to be string, array given in /in/n9EkO on line 35 Notice: Trying to access array offset on value of type null in /in/n9EkO on line 35 Notice: Trying to access array offset on value of type null in /in/n9EkO on line 35 Notice: Undefined offset: 1 in /in/n9EkO on line 37 0
Output for 7.3.32 - 7.3.33
Warning: explode() expects parameter 2 to be string, array given in /in/n9EkO on line 34 Warning: explode() expects parameter 2 to be string, array given in /in/n9EkO on line 35 0
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Notice: Undefined offset: 1 in /in/n9EkO on line 33 Warning: explode() expects parameter 2 to be string, array given in /in/n9EkO on line 34 Warning: explode() expects parameter 2 to be string, array given in /in/n9EkO on line 35 Notice: Undefined offset: 1 in /in/n9EkO on line 37 0
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/n9EkO on line 8
Process exited with code 255.
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