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[单选题]
若让元素1,2,3依次进栈,则出栈次序不可能是()。
A.3,2,1
B.2,1,3
C.3,1,2
D.1,3,2
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.3,2,1
B.2,1,3
C.3,1,2
D.1,3,2
A.3,2,1
B.2,1,3
C.3,1,2
D.1,3,2
A.321
B.213
C.231
D.123
A.ABCED
B.DBCEA
C.CDABE
D.DCBEA
B.43,45,41,47
C.47,45,41,43
D.45,41,43,47
A.12345ABCDE
B.EDCBA54321
C.ABCDE12345
D.54321EDCBA