A.隊(duì)列滿時(shí):(REAR+1)%n ==FRONT,隊(duì)列空時(shí):REAR ==FRONT
B.隊(duì)列滿時(shí):(REAR+1)%n ==FRONT,隊(duì)列空時(shí):(FRONT+1)%n ==REAR
C.隊(duì)列滿時(shí):REAR ==FRONT,隊(duì)列空時(shí):(REAR+1)%n ==FRONT
D.隊(duì)列滿時(shí):(FRONT+1)%n ==REAR,隊(duì)列空時(shí):REAR ==FRONT