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<?php $sInput = 'turn on 0,0 through 999,999'; $aLights = array(); for($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));
Output for 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.1, 8.1.28, 8.2.18, 8.3.6
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 41943040 bytes) in /in/PBmXX on line 10
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 41943040 bytes) in /in/PBmXX on line 10
Process exited with code 255.
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Out of memory (allocated 20971520 bytes) (tried to allocate 20971520 bytes) in /in/PBmXX on line 10 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 8.1.2 - 8.1.27
Fatal error: Out of memory (allocated 20971520) (tried to allocate 20971520 bytes) in /in/PBmXX on line 10 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 8.0.13
Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 41943040 bytes) in /in/PBmXX on line 42
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 37748736 bytes) in /in/PBmXX on line 10
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 79 bytes) in /in/PBmXX on line 10
Process exited with code 255.
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