1.

Which of the following permutations can be obtained in the output(in the same order),using a stack assuming that the input is the sequence 1,2,3,4,5 in that order?

A. 1,5,2,3,4
B. 3,4,5,2,1
C. 3,4,5,1,2
D. 5,4,3,2,1
Answer» C. 3,4,5,1,2


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