Implementation of stack using arrays
#include<stdio.h>
#include<conio.h>
#define SIZE 10
void push(int);
void pop();
void display();
int stack[SIZE], top = -1;
void main()
{
int value, choice;
clrscr();
while(1){
printf("\n\n***** MENU *****\n");
printf("1. Push\n2. Pop\n3. Display\n4. Exit");
printf("\nEnter your choice: ");
scanf("%d",&choice);
switch(choice){
case 1: printf("Enter the value to be insert: ");
scanf("%d",&value);
push(value);
break;
case 2: pop();
break;
case 3: display();
break;
case 4: exit(0);
default: printf("\nWrong selection!!! Try again!!!");
}
}
}
void push(int value){
if(top == SIZE-1)
printf("\nStack is Full!!! Insertion is not possible!!!");
else{
top++;
stack[top] = value;
printf("\nInsertion success!!!");
}
}
void pop(){
if(top == -1)
printf("\nStack is Empty!!! Deletion is not possible!!!");
else{
printf("\nDeleted : %d", stack[top]);
top--;
}
}
void display(){
if(top == -1)
printf("\nStack is Empty!!!");
else{
int i;
printf("\nStack elements are:\n");
for(i=top; i>=0; i--)
printf("%d\n",stack[i]);
}
}