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| const MORSE_CODE = [ | |
| '-.-.--' => '!', | |
| '.-..-.' => '"', | |
| '...-..-' => '$', | |
| '.-...' => '&', | |
| '.----.' => '\'', | |
| '-.--.' => '(', | |
| '-.--.-' => ')', | |
| '.-.-.' => '+', | |
| '--..--' => ',', | |
| '-....-' => '-', | |
| '.-.-.-' => '.', | |
| '-..-.' => '/', | |
| '-----' => '0', | |
| '.----' => '1', | |
| '..---' => '2', | |
| '...--' => '3', | |
| '....-' => '4', | |
| '.....' => '5', | |
| '-....' => '6', | |
| '--...' => '7', | |
| '---..' => '8', | |
| '----.' => '9', | |
| '---...' => ':', | |
| '-.-.-.' => ';', | |
| '-...-' => '=', | |
| '..--..' => '?', | |
| '.--.-.' => '@', | |
| '.-' => 'A', | |
| '-...' => 'B', | |
| '-.-.' => 'C', | |
| '-..' => 'D', | |
| '.' => 'E', | |
| '..-.' => 'F', | |
| '--.' => 'G', | |
| '....' => 'H', | |
| '..' => 'I', | |
| '.---' => 'J', | |
| '-.-' => 'K', | |
| '.-..' => 'L', | |
| '--' => 'M', | |
| '-.' => 'N', | |
| '---' => 'O', | |
| '.--.' => 'P', | |
| '--.-' => 'Q', | |
| '.-.' => 'R', | |
| '...' => 'S', | |
| '-' => 'T', | |
| '..-' => 'U', | |
| '...-' => 'V', | |
| '.--' => 'W', | |
| '-..-' => 'X', | |
| '-.--' => 'Y', | |
| '--..' => 'Z', | |
| '..--.-' => '_', | |
| '...---...' => 'SOS', | |
| ]; |
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| <?php | |
| require __DIR__ . '/dict.inc.php' | |
| /** | |
| function decode_morse_v1(string $code): string { | |
| $words = explode(' ', $code); | |
| $decodeWord = static function (string $code) { | |
| $chars = explode(' ', $code); | |
| return implode('', array_map(fn($char) => MORSE_CODE[$char], $chars)); | |
| }; | |
| return implode(' ', array_map($decodeWord, $words)); | |
| } | |
| function decode_morse_v2(string $code): string { | |
| $code = trim($code); | |
| $decodeWord = fn($code) => implode('', array_map(fn($char) => MORSE_CODE[$char], array_filter(explode(' ', $code)))); | |
| return implode(' ', array_map($decodeWord, explode(' ', $code))); | |
| } | |
| **/ | |
| function decode_morse_optimal(string $code): string { | |
| return strtr(trim($code), MORSE_CODE + [' ' => ' ',' ' => '']); | |
| } | |
| echo json_encode(decode_morse_optimal('.... . -.-- .--- ..- -.. .')); |
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