Please answer the attached image!Automata and computation! Transition function of a PushdownAutomaton maps a 3-tuple (q,A,B)to a 2-tuple (p,C), where 'q' is thestate before the transition, and 'p' isthe state after the transition. Abelongs to the input alphabet of theautomaton. After we reach to thestate 'p', what is the element that islocated on the top of the stack?How aboutwhen we were in state 'q', what wasthe element on the top of the stack?What operation are you doing onthe stack: Firstthen

Step 1:After the transition to state 'p', what is the element that is located on the top of the…

Answered: Transition function of a Pushdown…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Implement a queue Q using two stacks S1 and S2 so that the operations ENQUEUE(Q, X) and DEQUEUE(Q, Y), where Q is presumably a queue and X is the element to be added to Q and Y is the element deleted from Q, are handled by the stacks that function as a queue. Assume that only stacks are accessible to the ADT functions of PUSH, POP, and EMPTYSTACK. Show how your technique operates on the lists "a," "b," and "c," which the stacks S1 and S2 will use as a queue.
Show that a permutation may only be created by a stack (as in the previous question) if it does not contain the banned triple (a, b, c) such that a b c with c first, a second, and b third (potentially with other intervening integers between c and a and between a and b).
Show that a permutation may only be created by a stack (as in the preceding question) if it does not include the banned triple (a, b, c) such that a b c with c first, a second, and b third (potentially with other intervening numbers between c and a and between a and b).
Implement a stack S with two queues Q1 and Q2 so that the operations PUSH (S, X) and POP(S, Y), where S is presumably a stack and X is the element to be added to S and Y is the element removed from S, are handled by the queues that function as a stack as a whole. Assume that only queues are accessible to ADT's ENQUEUE, DEQUEUE, and EMPTYQUEUE operations.Show how your function operates on a list of items (a, b, and c) that will be used as a stack by the queues Q1 and Q2.
Given a typical Stack s with elements [T,W,X,Y,Z] (where Top/left of Stack at T) anda typical Queue q with elements [E,D,C,B,A] (where Front/left of Queue at E andRear/right of Queue at A), determine and list elements of the updated Stack and those of theupdated Queue in their similar forms after the following execution:
WRITE A PROGRAM IN C++ BFS traverses the graph in a concentric fashion, visiting all vertices that are near to a starting vertex, then all unvisited vertices two edges away from it, and so on, until all vertices in the same linked component as the initial vertex are visited. BFS utilises queue in place of a stack. Input graph as Adjacency Matrix Constraints NA Output Format space separated nodes, which are rechable Sample Input 0 0 1 1 1 0 0 0 1 0 0 0 0 0 0 1 0 Sample Output 0 2 3 4
Implement a queue Q using two stacks S1 and S2 such that operationsENQUEUE(Q, X) and DEQUEUE(Q, Y), where Q is supposedly a queue and X isthe element to be inserted into Q and Y the element deleted from Q, are workedupon by the stacks that operate together as a queue. Assume that the ADT operations of PUSH, POP and EMPTYSTACK are only available for the stacks. Demonstrate the working of your method on a list {a, b, c}, which is to beoperated upon as a queue by the stacks S1 and S2.
Implement a stack S using two queues Q1 and Q2 so that operations PUSH (S,X) and POP(S, Y), where S is supposedly a stack and X is the element to be insertedinto S and Y the element deleted from S, are worked upon by the queues that operatetogether as a stack. Assume that the ADT operations of ENQUEUE, DEQUEUE andEMPTYQUEUE are only available for the queues.Demonstrate the working of your method on a list {a, b, c}, which is to beoperated upon as a stack by the queues Q1 and Q2.
Implement a queue Q using two stacks S1 and S2 such that operationsENQUEUE(Q, X) and DEQUEUE(Q, Y), where Q is supposedly a queue and X isthe element to be inserted into Q and Y the element deleted from Q, are workedupon by the stacks that operate together as a queue. Assume that the ADT operationsof PUSH, POP and EMPTYSTACK are only available for the stacks.Demonstrate the working of your method on a list {a, b, c}, which is to beoperated upon as a queue by the stacks S1 and S2.
If a Stack is most optimally derived from a Singly Linked List, which node of the Linked List should be pointed to or will be referred to as the Top of the stack and why?
Implement a priority queue using a heapordered binary tree, however instead of using an array, use a triply linked structure. Three connections are needed for each node: two for climbing the tree and one for descending it. Your solution should offer logarithmic running durations for each operation, even if there isn't a set maximum priority-queue size.
If a weighted graph is represented by the adjacency list data structure, write a LISP function, neighbors, to return the list ofneighbors of a node.For example,if(setq graph '( (a (b 2) (c 5)) (b (c 3) (d 2)) (c) (d (b 8)) ) ) when call:>(neighbors 'b graph)should return:(c d)

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