我在网上找了一个算法,觉得shuffle()和for都有点多余,
public function get_random($dot) {
$dot = intval($dot);
$dot = max($dot,0);
$dot = min($dot,100); $one = rand(1,100);
$total = range(1,100);
shuffle($total);
$range = array();
for($i=0; $i<$dot; $i++) {
$range[] = $total[$i];
}
return in_array($one,$range);
}
改了一下,运行也正常。不知道逻辑有没有问题。
public function get_random2($dot) {
$dot = intval($dot);
$dot = max($dot,0);
$dot = min($dot,100); $one = rand(1,100);
$total = range(1,$dot);
return in_array($one,$total);
}
还有大家有没有更好的算法???
public function get_random($dot) {
$dot = intval($dot);
$dot = max($dot,0);
$dot = min($dot,100); $one = rand(1,100);
$total = range(1,100);
shuffle($total);
$range = array();
for($i=0; $i<$dot; $i++) {
$range[] = $total[$i];
}
return in_array($one,$range);
}
改了一下,运行也正常。不知道逻辑有没有问题。
public function get_random2($dot) {
$dot = intval($dot);
$dot = max($dot,0);
$dot = min($dot,100); $one = rand(1,100);
$total = range(1,$dot);
return in_array($one,$total);
}
还有大家有没有更好的算法???
return rand(1, 100) >= min(max(0, $dox),100);
}
return min(max(0, $dox),100) >= rand(1, 100);
}
function get_random2($dot){
return min(abs(intval($dox)),100) >= rand(1, 100);
}