设一个队列的入队顺序是1,2,3,4,5,那下列哪些是不能存在的出队顺序?
2023-06-10
设一个队列的入队顺序是1,2,3,4,5,那下列哪些是不能存在的出队顺序?
A.1,2,3,5,4
B.3,4,5,1,2
C.1,2,3,4,5
D.5,4,3,2,1
E.1,2,5,4,3
F.2,3,4,5,1
参考答案:
1,2,3,5,4;3,4,5,1,2;5,4,3,2,1;1,2,5,4,3;2,3,4,5,1
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2023-06-10
设一个队列的入队顺序是1,2,3,4,5,那下列哪些是不能存在的出队顺序?
A.1,2,3,5,4
B.3,4,5,1,2
C.1,2,3,4,5
D.5,4,3,2,1
E.1,2,5,4,3
F.2,3,4,5,1
1,2,3,5,4;3,4,5,1,2;5,4,3,2,1;1,2,5,4,3;2,3,4,5,1
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