Stack: Stack is a container in which elements inserted and removed in LIFO (Last In First Out) manner. The “top” is address of top element of stack. Basic stack operations are given below: push(): Insert an object into stack top. pop(): Delete object in stack top. topEl(): Get object in stack top. isEmpty(): Check stack is empty or not. Queue: Queue is another data structure in which insertion and removal of elements are in FIFO(First In First Out) manner. Basic operations are given below: Enqueue(): Insert an element into back of queue Dequeue() : Remove an item from front of queue front() : Get first element of queue without removal of it. isEmpty(): Check queue is empty or not.

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Chapter 4, Problem 7E

Program Plan Intro

Stack:

Stack is a container in which elements inserted and removed in LIFO (Last In First Out) manner.

The “top” is address of top element of stack.

Basic stack operations are given below:

push(): Insert an object into stack top.

pop(): Delete object in stack top.

topEl(): Get object in stack top.

isEmpty(): Check stack is empty or not.

Queue:

Queue is another data structure in which insertion and removal of elements are in FIFO(First In First Out) manner.

Basic operations are given below:

Enqueue(): Insert an element into back of queue

Dequeue(): Remove an item from front of queue

front(): Get first element of queue without removal of it.

isEmpty(): Check queue is empty or not.

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