Question: Suppose that we push integers 0 through 9 in order onto an empty stack. However, a number of topop operations are performed randomly in-between

Suppose that we push integers 0 through 9 in order onto an empty stack. However, a number of topop operations

Suppose that we push integers 0 through 9 in order onto an empty stack. However, a number of topop operations are performed randomly in-between pushes, where topop prints and removes the top item in the stack (top+pop). Which of the following sequences cannot occur? Justify your answer clearly. (3 marks) i) 4321098765 ii) 4321056789 iii) 4376852910 iv) 4687532901

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