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The seven elements A, B, C, D, E, F and G are pushed onto a stack in reverse order, that is, starting from G. The stack is popped five times, and each element is inserted into a queue. Two elements are deleted from the queue and pushed back onto the stack. Now, one element is popped from the stack. The popped item is A. A B. B C. F D. D.G

   The seven elements A, B, C, D, E, F and G are pushed onto a stack in reverse order, that is, starting from G. The stack is popped five times, and each element is inserted into a queue. Two elements are deleted from the queue and pushed back onto the stack. Now, one element is popped from the stack. The popped item is
A. A
B. B
C. F
D. D.G

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Data Structures Using C

Data Structures Using C

Amol M. Jagtap, Ajit… 1st Edition

Chapter 2, Problem 7

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The seven elements A, B, C, D, E, F and G are pushed onto a stack in reverse order, that is, starting from G. The stack is popped five times, and each element is inserted into a queue. Two elements are deleted from the queue and pushed back onto the stack. Now, one element is popped from the stack. The popped item is A. A B. B C. F D. D.G

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