...heap is the only method to implement a priority queue. D...
A heap is the only method to implement a priority queue. D、堆一定是完全二叉树。A heap must be a complete binary tree. E、最小堆中,某个结点左子树中最大的结点可能比右子树中最小的结点小。In a minimum heap, the largest value on some node's left child tree could be possibly smaller ...