12 lines
283 B
PHP
12 lines
283 B
PHP
<?php
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$doors = array_fill(1, 100, false);
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for ($pass = 1; $pass <= 100; ++$pass) {
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for ($nr = 1; $nr <= 100; ++$nr) {
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if ($nr % $pass == 0) {
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$doors[$nr] = !$doors[$nr];
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}
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}
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}
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for ($nr = 1; $nr <= 100; ++$nr)
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printf("Door %d: %s\n", $nr, ($doors[$nr])?'open':'closed');
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?>
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