Implement stack using dynamic array. Make sure you provide following methods within class;
1. Constructor: Initialize data members of the class
2. Destructor: Deallocate the memory, if it was allocated dynamically
3. isEmpty: Check whether stack is empty or not
4. push: Insert a node in the stack
5. pop: Delete a node from top of the stack
6. top: Returns data of top from stack
7. display: Print all the elements of stack
Solution
#include <iostream>
#include <stdlib.h>
using namespace std;
class Stack
{
private:
int *StackArray;
int StackSize;
int top;
public:
Stack(int); //Constructor
void Push(int);
void Pop(void);
int TopElement(void);
bool isFull(void);
bool isEmpty(void);
void Display(void);
~Stack() //Destructor
{
delete []StackArray;
}
};
int Stack::TopElement()
{
return StackArray[top];
}
Stack::Stack(int size)
{
StackArray = new int[size];
StackSize = size;
top = -1;
}
void Stack::Push(int num)
{
if (isFull())
{
cout << "The Stack is Full...\n";
}
else
{
top++;
StackArray[top] = num;
}
}
void Stack::Pop(void)
{
if (isEmpty())
{
cout << "The Stack is Empty...\n";
}
else
{
top--;
}
}
bool Stack::isFull(void)
{
bool status;
if (top == StackSize - 1)
status = true;
else
status = false;
return status;
}
bool Stack::isEmpty(void)
{
bool status;
if (top == -1)
status = true;
else
status = false;
return status;
}
void Stack::Display(void)
{
if (isEmpty())
{
cout << "The Stack is Empty...\n";
}
else
{
int t = top;
while (t >= 0)
{
cout << "StackArray[" << t << "] = " << StackArray[t] << endl;
t--;
}
}
}
int main()
{
int size;
char choice;
system("COLOR 0C");
cout << "\t\t\t\t\t[Programm Information]" << endl;
cout << endl;
cout << "\tEnter Array Size : ";
cin >> size;
Stack st(size);
do
{
system("cls");
system("COLOR FC");
cout << "\t\t\t\t\t[Programm Information]" << endl;
cout << endl;
cout << "\t\tPress 1 : For Push " << endl;
cout << "\t\tPress 2 : For Pop "<<endl;
cout << "\t\tPress 3 : For Display " << endl;
cout << "\t\tPress 4 : For Array Top Elements " << endl;
cout << "\t\tPress Any Button For Exit " << endl;
cout << endl;
cout << "\t\t\t\t\tYour Choice" << endl;
cout << "\t\tEnter Your Choice : " ;
cin >> choice;
switch (choice)
{
case '1':
int val;
cout << endl;
cout << "\tInsert Value : ";
cin >> val;
st.Push(val);
break;
case '2':
cout << endl;
cout << "\tValue Removed : ";
st.Pop();
break;
case '3':
cout << endl;
cout << "\tAll Value Show Store In Stack : " << endl;
st.Display();
break;
case '4':
cout << endl;
cout << "\tArray Top Elements : " <<st.TopElement();
break;
default:
goto Exit;
}
cout << endl;
cout << "\tDo You Want to Run Again (Y/y) : ";
cin >> choice;
} while (choice == 'Y' || choice == 'y');
Exit:
cout << endl;
cout << "...THANKS FOR USING MY PROGRAMM... ";
}
Output
random/hot-posts
PROGRAMMING QUESTIONS/feat-big
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