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[主观题]
设Q[0..N-1]为循环队列,其头、尾指针分别为P和R,则队Q中当前所含元素个数为()。
设Q[0..N-1]为循环队列,其头、尾指针分别为P和R,则队Q中当前所含元素个数为()。
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A.R-F
B.F-R
C.(R-F+M)%M
D.(F-R+M)%M
A.r-f
B.(r-f+m)%m
C.r-f+1
D.(r-f+m)%m+1
A.(rear-front+m)%m
B.rear-front+1
C.(front-rear+m)%m
D.(rear-front)%m
A.(rear-front+m)mod m
B.(rear-front+1)mod m
C.(rear-front-1+m)mod m
D.(rear-front)mod m
A.5
B.15
C.35
D.40
A.(front-rear+1)%m
B.(rear-front+1)% m
C.(front-rear+m)% m
D.(rear-front+m)% m