Contoh Program Stack

#include <stdio.h>

#include <ctype.h>

#define MAXSIZE 4

int stack[MAXSIZE];

int top;

void main()

{

void push(int);

int pop();

int i,num;

char pill= 0;

clrscr();

while(pill == 0)

{

clrscr();

printf("\n +==== MAIN MENU ====+");

printf("\n +===================+");

printf("\n | 1. Push Stack     |");

printf("\n | 2. Pop Stack      |");

printf("\n | 3. Keluar         |");

printf("\n +===================+\n");

printf("\n pilihan : ");

scanf("%d",&pill);

switch(pill)

{

case 1: clrscr();

            printf(" Push elemen stack : ");

            scanf("%d",&num);

            push(num);

            break;

case 2: clrscr();

            i=pop();

            printf(" Pop elemen stack  %d ",i);

            break;

case 3: clrscr();

            exit();

            break;

default: printf("\n Maaf pilihan tersebut tidak tersedia !!");

}

printf("\n\n Apakah anda ingin keluar [1/0] ? ");

scanf("%d" , &pill);

}

}

void push(int y)

{

if(top>MAXSIZE)

       {

       printf("\n STACK telah terisi penuh !! ");

       return;

       }

else

            {

            top++;

            stack[top]=y;

            }

}

int pop()

{

int a;

if(top<=0)

            {

            printf("\n STACK kosong !! ");

            return 0;

            }

else

            {

            a=stack[top];

            top--;

            }

return(a);

}