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<?phpfunction fantastic3($n) { $series = array(0,1,1,1); for($i=3 ; $i<=$n ; $i++){ $a = (isset($series[ (int)$i-3 ]))?$series[ (int)$i-3 ]:0; $b = (isset($series[ (int)$i-2 ]))?$series[ (int)$i-2 ]:0; $c = (isset($series[ (int)$i-1 ]))?$series[ (int)$i-1 ]:0; $d = ($a+$b+$c)-1; if($d<0){ $d = 0; } $series[$i] = $d; } echo $series[ (int)$n-1 ];}// Do NOT call the fantastic3 function in the code// you write. The system will call it automatically.?>
Output for git.master, git.master_jit, rfc.property-hooks
<?phpfunction fantastic3($n) { $series = array(0,1,1,1); for($i=3 ; $i<=$n ; $i++){ $a = (isset($series[ (int)$i-3 ]))?$series[ (int)$i-3 ]:0; $b = (isset($series[ (int)$i-2 ]))?$series[ (int)$i-2 ]:0; $c = (isset($series[ (int)$i-1 ]))?$series[ (int)$i-1 ]:0; $d = ($a+$b+$c)-1; if($d<0){ $d = 0; } $series[$i] = $d; } echo $series[ (int)$n-1 ];}// Do NOT call the fantastic3 function in the code// you write. The system will call it automatically.?>

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