24 lines
341 B
PHP
24 lines
341 B
PHP
<?php
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if (isset($argv[1]))
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{
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//$value=$argv[1];
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$value=$argv[1];
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if ($value < 0 || $value > 32)
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{
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print "Please enter an integer between 0 and 32 only\n";
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exit;
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}
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$base=32-$value;
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$netsize=pow(2, $base);
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$hosts=$netsize-2;
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print "$hosts\n";
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}
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else
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{
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print "Enter something\n";
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}
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?>
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