A.都是樹(shù)形結(jié)構(gòu) B.都是限制存取點(diǎn)的線(xiàn)性結(jié)構(gòu) C.都是線(xiàn)性結(jié)構(gòu) D.都不對(duì)
A.入隊(duì) B.出隊(duì) C.獲得對(duì)首元素 D.判斷隊(duì)列是否為空
A.棧B.隊(duì)列C.鏈表D.串