A.上三角矩陣B.稀疏矩陣C.對(duì)角矩陣D.對(duì)稱(chēng)矩陣
A.棧 B.隊(duì)列 C.二叉樹(shù) D.樹(shù)
A.O(n) B.O(e) C.O(n+e) D.O(n2)