96 lines
2.7 KiB
PHP
96 lines
2.7 KiB
PHP
<?php
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class Euler
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{
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public static function readSingle($a)
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{
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$n3p = str_pad($a['number'], 3, '0', STR_PAD_LEFT);
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$a['number3'] = $n3p;
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$a['rating'] = self::rateTime($a);
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$a['url'] = '/blog/1/Project_Euler_with_Befunge/problem-' . $n3p;
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$a['canonical'] = "https://www.mikescher.com" . $a['url'];
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$a['is93'] = ($a['width'] <= 80 AND $a['height'] <= 25);
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$a['url_euler'] = 'https://projecteuler.net/problem=' . $n3p;
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$a['url_raw'] = 'https://raw.githubusercontent.com/Mikescher/Project-Euler_Befunge/master/processed/Euler_Problem-' . $n3p . '.b93';
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$a['url_github'] = 'https://github.com/Mikescher/Project-Euler_Befunge';
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$a['file_description'] = (__DIR__ . '/../statics/euler/Euler_Problem-'.$n3p.'_description.md');
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$a['file_code'] = (__DIR__ . '/../statics/euler/Euler_Problem-'.$n3p.'.b93');
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$a['file_explanation'] = (__DIR__ . '/../statics/euler/Euler_Problem-'.$n3p.'_explanation.md');
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return $a;
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}
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public static function listAll()
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{
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$all = require (__DIR__ . '/../statics/euler/__all.php');
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return array_map('self::readSingle', $all);
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}
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public static function getEulerProblemFromStrIdent($ident)
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{
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$e = explode('-', $ident, 2); // problem-xxx
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if (count($e)!==2) return null;
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$i = intval($e[1], 10);
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if ($i == 0) return null;
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return self::getEulerProblem($i);
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}
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public static function getEulerProblem($num)
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{
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foreach (self::listAll() as $ep) {
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if ($ep['number'] == $num) return $ep;
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}
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return null;
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}
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public static function rateTime($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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public static function checkConsistency()
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{
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$warn = null;
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$numbers = [];
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$realname = [];
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foreach (self::listAll() as $ep)
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{
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if (in_array($ep['number'], $numbers)) return ['result'=>'err', 'message' => 'Duplicate number ' . $ep['number']];
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$numbers []= $ep['number'];
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if (in_array($ep['title'], $realname)) return ['result'=>'err', 'message' => 'Duplicate title ' . $ep['title']];
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$realname []= $ep['title'];
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if (!file_exists($ep['file_description'])) return ['result'=>'err', 'message' => 'file_description not found ' . $ep['file_description']];
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if (!file_exists($ep['file_code'])) return ['result'=>'err', 'message' => 'file_code not found ' . $ep['file_code']];
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if (!file_exists($ep['file_explanation'])) return ['result'=>'err', 'message' => 'file_explanation not found ' . $ep['file_explanation']];
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}
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if ($warn != null) return $warn;
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return ['result'=>'ok', 'message' => ''];
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}
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}
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