1.

If the sequence of operations -push(1)push(2)poppush(1)push(2)poppoppoppush(2)popare performed on a stack, the sequence of popped out values are ?

A. 2 2 1 2 2
B. 2 2 1 1 2
C. 2 1 2 2 1
D. 2 1 2 2 2
Answer» C. 2 1 2 2 1


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