2019-02-07 18:29:53 +01:00
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class Program {
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2019-03-17 19:48:52 +01:00
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int factorial(int $num) {
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2019-02-07 18:29:53 +01:00
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if($num == 0 || $num == 1)
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return 1;
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else
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return $num * $this->factorial($num - 1);
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}
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2019-03-17 19:48:52 +01:00
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void main() {
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2019-02-07 18:29:53 +01:00
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int $num = 7;
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print('Factorial of ', $num, ' is ', $this->factorial($num), '.');
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}
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}
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