/*==========================================================================================
**
** File Name : stack_array.c
** Creation Date : Fri 13 Oct 2017 10:20:56 PM IST
** Last Modified : Fri 13 Oct 2017 10:50:21 PM IST
** Compiler : gcc
** Author : Manoj Kumar Patra, Asst. Professor
** Organization : Vignan University, Guntur, India.
**
**=========================================================================================*/
#include<stdio.h>
#include<stdlib.h>
#define MAX 10
int stack_array[MAX];
int top = -1;
void push(int item);
int pop();
int peek();
int isEmpty();
int isFull();
void display();
int main()
{
printf("\n= = = = = = = = = = Stack Using Array in C = = = = = = = = = =\n");
int choice,item;
while(1)
{
printf("1. Push\n");
printf("2. Pop\n");
printf("3. Display all stack elements\n");
printf("4. Display the top element\n");
printf("5. Quit\n");
printf("Enter your choice: ");
scanf("%d",&choice);
switch(choice)
{
case 1 :
printf("= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =\n");
printf("Enter the item to be pushed : ");
scanf("%d",&item);
push(item);
printf("The item %d pushed into the stack\n",item);
printf("= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =\n");
break;
case 2:
item = pop();
printf("Item %d has been Popped out\n",item);
printf("= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =\n");
break;
case 3:
display();
printf("= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =\n");
break;
case 4:
printf("Item at the top is : %d\n", peek() );
printf("= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =\n");
break;
case 5:
printf("Program Terminated\n");
printf("= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =\n");
return;
default:
printf("Oops.. Wrong choice! Select Again\n");
printf("= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =\n");
}
}
}
void push(int item)
{
if( isFull() )
{
printf("Stack Overflow\n");
return;
}
top = top+1;
stack_array[top] = item;
}
int pop()
{
int item;
if(isEmpty())
{
printf("Stack Underflow\n");
exit(1);
}
item = stack_array[top];
top = top-1;
return item;
}
void display()
{
int i;
if(isEmpty())
{
printf("Stack is empty\n");
return;
}
printf("Stack elements are:\n\n");
for(i=top; i>=0; i--)
printf("%d\t",stack_array[i]);
printf("\n\n");
}
int peek()
{
if( isEmpty() )
{
printf("Stack Underflow\n");
exit(1);
}
return stack_array[top];
}
int isEmpty()
{
if(top == -1)
return 1;
else
return 0;
}
int isFull()
{
if(top == MAX-1)
return 1;
else
return 0;
}
OutPut:
manoj@ubuntu:~/ds/stack$ gcc stack_array.c -o stack_array
manoj@ubuntu:~/ds/stack$ ./stack_array
= = = = = = = = = = Stack Using Array in C = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 1
The item 1 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 2
The item 2 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 3
The item 3 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 4
The item 4 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 5
The item 5 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
5 4 3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 5 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 4 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 4
Item at the top is : 3
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 5
Program Terminated
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
manoj@ubuntu:~/ds/stack$
manoj@ubuntu:~/ds/stack$ ./stack_array
= = = = = = = = = = Stack Using Array in C = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 1
The item 1 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 2
The item 2 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 3
The item 3 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 4
The item 4 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 5
The item 5 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
5 4 3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 5 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 4 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 4
Item at the top is : 3
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 5
Program Terminated
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
manoj@ubuntu:~/ds/stack$
manoj@ubuntu:~/ds/stack$ ./stack_array
= = = = = = = = = = Stack Using Array in C = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 1
The item 1 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 2
The item 2 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 3
The item 3 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 4
The item 4 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 5
The item 5 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
5 4 3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 5 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 4 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 4
Item at the top is : 3
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 5
Program Terminated
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
manoj@ubuntu:~/ds/stack$
manoj@ubuntu:~/ds/stack$ ./stack_array
= = = = = = = = = = Stack Using Array in C = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 1
The item 1 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 2
The item 2 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 3
The item 3 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 4
The item 4 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 5
The item 5 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
5 4 3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 5 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 4 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 4
Item at the top is : 3
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 5
Program Terminated
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
manoj@ubuntu:~/ds/stack$
**
** File Name : stack_array.c
** Creation Date : Fri 13 Oct 2017 10:20:56 PM IST
** Last Modified : Fri 13 Oct 2017 10:50:21 PM IST
** Compiler : gcc
** Author : Manoj Kumar Patra, Asst. Professor
** Organization : Vignan University, Guntur, India.
**
**=========================================================================================*/
#include<stdio.h>
#include<stdlib.h>
#define MAX 10
int stack_array[MAX];
int top = -1;
void push(int item);
int pop();
int peek();
int isEmpty();
int isFull();
void display();
int main()
{
printf("\n= = = = = = = = = = Stack Using Array in C = = = = = = = = = =\n");
int choice,item;
while(1)
{
printf("1. Push\n");
printf("2. Pop\n");
printf("3. Display all stack elements\n");
printf("4. Display the top element\n");
printf("5. Quit\n");
printf("Enter your choice: ");
scanf("%d",&choice);
switch(choice)
{
case 1 :
printf("= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =\n");
printf("Enter the item to be pushed : ");
scanf("%d",&item);
push(item);
printf("The item %d pushed into the stack\n",item);
printf("= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =\n");
break;
case 2:
item = pop();
printf("Item %d has been Popped out\n",item);
printf("= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =\n");
break;
case 3:
display();
printf("= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =\n");
break;
case 4:
printf("Item at the top is : %d\n", peek() );
printf("= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =\n");
break;
case 5:
printf("Program Terminated\n");
printf("= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =\n");
return;
default:
printf("Oops.. Wrong choice! Select Again\n");
printf("= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =\n");
}
}
}
void push(int item)
{
if( isFull() )
{
printf("Stack Overflow\n");
return;
}
top = top+1;
stack_array[top] = item;
}
int pop()
{
int item;
if(isEmpty())
{
printf("Stack Underflow\n");
exit(1);
}
item = stack_array[top];
top = top-1;
return item;
}
void display()
{
int i;
if(isEmpty())
{
printf("Stack is empty\n");
return;
}
printf("Stack elements are:\n\n");
for(i=top; i>=0; i--)
printf("%d\t",stack_array[i]);
printf("\n\n");
}
int peek()
{
if( isEmpty() )
{
printf("Stack Underflow\n");
exit(1);
}
return stack_array[top];
}
int isEmpty()
{
if(top == -1)
return 1;
else
return 0;
}
int isFull()
{
if(top == MAX-1)
return 1;
else
return 0;
}
OutPut:
manoj@ubuntu:~/ds/stack$ gcc stack_array.c -o stack_array
manoj@ubuntu:~/ds/stack$ ./stack_array
= = = = = = = = = = Stack Using Array in C = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 1
The item 1 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 2
The item 2 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 3
The item 3 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 4
The item 4 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 5
The item 5 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
5 4 3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 5 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 4 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 4
Item at the top is : 3
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 5
Program Terminated
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
manoj@ubuntu:~/ds/stack$
manoj@ubuntu:~/ds/stack$ ./stack_array
= = = = = = = = = = Stack Using Array in C = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 1
The item 1 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 2
The item 2 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 3
The item 3 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 4
The item 4 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 5
The item 5 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
5 4 3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 5 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 4 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 4
Item at the top is : 3
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 5
Program Terminated
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
manoj@ubuntu:~/ds/stack$
manoj@ubuntu:~/ds/stack$ ./stack_array
= = = = = = = = = = Stack Using Array in C = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 1
The item 1 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 2
The item 2 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 3
The item 3 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 4
The item 4 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 5
The item 5 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
5 4 3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 5 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 4 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 4
Item at the top is : 3
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 5
Program Terminated
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
manoj@ubuntu:~/ds/stack$
manoj@ubuntu:~/ds/stack$ ./stack_array
= = = = = = = = = = Stack Using Array in C = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 1
The item 1 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 2
The item 2 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 3
The item 3 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 4
The item 4 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Enter the item to be pushed : 5
The item 5 pushed into the stack
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
5 4 3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 5 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 2
Item 4 has been Popped out
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 3
Stack elements are:
3 2 1
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 4
Item at the top is : 3
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
1. Push
2. Pop
3. Display all stack elements
4. Display the top element
5. Quit
Enter your choice: 5
Program Terminated
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
manoj@ubuntu:~/ds/stack$
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