摘要：
k = $k; $this->left = $left; $this->right = $right; } public function isEmpty(){ return !isset($this->k); } public function getKey(){ return isset($this->k) ? $this->k : false; } public function setKey($k){ if(!$this->isEmpty()... 阅读全文
posted @ 2014-01-02 00:21
﹏Sakura
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