堆的实现通过构造二叉堆(binary heap),实为二叉树的一种 由于其应用的普遍性,当不加限定时,均指该数据结构的这种实现。-Heap by constructing a binary heap (binary heap), is actually a binary tree due to the universality of its application, the time when unqualified, refer to the data structure to achiev