14 lines
398 B
PHP
14 lines
398 B
PHP
<?php
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function A($k,$x1,$x2,$x3,$x4,$x5) {
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$b = function () use (&$b,&$k,$x1,$x2,$x3,$x4) {
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return A(--$k,$b,$x1,$x2,$x3,$x4);
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};
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return $k <= 0 ? $x4() + $x5() : $b();
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}
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echo A(10, function () { return 1; },
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function () { return -1; },
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function () { return -1; },
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function () { return 1; },
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function () { return 0; }) . "\n";
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?>
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