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28 lines
492 B
28 lines
492 B
<?php
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function fib(int $n): int
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{
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if ($n == 1 || $n == 2) {
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return 1;
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} else {
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return fib($n - 1) + fib($n - 2);
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}
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}
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function main()
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{
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global $argv;
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$n = $argv[2];
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var_dump($argv, $n);
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if ($n > 100) {
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echo "Too big number\n";
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exit(1);
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} elseif ($n < 1) {
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echo "Too small number\n";
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exit(1);
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}
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$begin = microtime(true);
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echo fib($n) . "\n";
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echo "Time: " . (microtime(true) - $begin) . "\n";
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}
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