37 lines
663 B
PHP
37 lines
663 B
PHP
<?php if(count(get_included_files()) ==1) exit("Direct access not permitted.");
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class Euler
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{
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public static function readSingle($f)
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{
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$a = require $f;
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$a['rating'] = self::rateTime($a);
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return $a;
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}
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public static function listAll()
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{
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$files = glob(__DIR__ . '/../statics/euler/euler_*.php');
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return array_map('self::readSingle', $files);
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}
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public static function rateTime($problem)
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{
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if ($problem['time'] < 100) // < 100ms
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return 0;
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if ($problem['time'] < 15 * 1000) // < 5s
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return 1;
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if ($problem['time'] < 60 * 1000) // < 1min
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return 2;
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if ($problem['time'] < 5 * 60 * 1000) // < 5min
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return 3;
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return 4;
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}
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}
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