8 lines
178 B
PHP
8 lines
178 B
PHP
function binomial_coefficient($n, $k) {
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if ($k == 0) return 1;
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$result = 1;
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foreach (range(0, $k - 1) as $i) {
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$result *= ($n - $i) / ($i + 1);
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}
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return $result;
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}
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