18 下圖為何種資料結構?(A)完滿二元樹(Full Binary Tree)(B) AVL 樹(AVL Tree)(C)紅黑樹(Red-Black Tree)(D)最小堆積(MinHeap)
若母節點的值恆小於等於子節點的值,此堆積稱為最小堆積(min heap)