C Program for Implementation of Stack Using Array.

#include "stdio.h"
void push(int);
int pop(void);
void display(void);

int main()
{
int choice=0,val=0;
do
{
printf("\n\t1.Push 2.Pop 3.Display 4.Exit\n\tSelect Your Choice : ");
scanf("%d",&choice);
switch(choice)
{
case 1:
printf("\tElement to be Pushed : ");
scanf("%d",&val);
push(val);
break;
case 2:
val=pop();
if(val!=-1)
printf("\tPopped Element : %d\n",val);
break;
case 3:
display();
break;
case 4:
break;
default:
printf("\tWrong Choice");
break;
}
}while(choice!=4);
return 0;
}
#define maxsize 100
int stack[maxsize];
int stacktop=0;

void push(int val)
{
if(stacktop stack[stacktop++]=val;
else
printf("Stack Overflow");
}

int pop()
{
int a;
if(stacktop>0)
{
stacktop--;
a=stack[stacktop];

return a;
}
else
{
printf("Stack is Empty");
return -1;
}
}

void display()
{
int i=0;
if(stacktop>0)
{
printf("\tElements are:");
while(i {
printf("\t%d",stack[i++]);
}
printf("\n");
}

else
printf("\tStack is Empty\n");
}

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More Useful Topics...

 

History Of C..

In the beginning was Charles Babbage and his Analytical Engine, a machine
he built in 1822 that could be programmed to carry out different computations.
Move forward more than 100 years, where the U.S. government in
1942 used concepts from Babbage’s engine to create the ENIAC, the first
modern computer.
Meanwhile, over at the AT&T Bell Labs, in 1972 Dennis Ritchie was working
with two languages: B (for Bell) and BCPL (Basic Combined Programming
Language). Inspired by Pascal, Mr. Ritchie developed the C programming
language.

My 1st Program...


#include
#include
void main ()
{
clrscr ();
printf ("\n\n\n\n");
printf ("\t\t\t*******Pankaj *******\n");
printf ("\t\t\t********************************\n");
printf ("\t\t\t\"Life is Good...\"\n");
printf ("\t\t\t********************************");
getch ();
}

Next Step...


#include
#include

void main ()
{
clrscr ();
printf ("\n\n\n\n\n\n\n\n");
printf ("\t\t\t --------------------------- \n\n");

printf ("\t\t\t | IGCT, Info Computers, INDIA | \n\n");
printf ("\t\t\t --------------------------- ");

getch ();

}

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