A.e=Q[front];front++; B.e=Q[front]; C.Q[front]=e; D.無正確答案
A.普通隊(duì)列 B.循環(huán)隊(duì)列 C.普通隊(duì)列或者循環(huán)隊(duì)列都可以 D.無正確答案
A.隊(duì)中 B.隊(duì)頭 C.隊(duì)尾 D.隊(duì)列