Given only a single array of size 10 and no other memory is available. Which of the following operation is not feasible to implement (Given only push and pop operation)?
A. Push
B. Pop
C. Enqueue
D. Returntop
Answer: Option C
Related Questions on Introduction to Data Structures
A. A collection of data values
B. A programming language
C. A set of algorithms
D. A way of organizing and storing data

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