C Program For Stack Operations

 

C PROGRAM FOR STACK OPERATIONS

CODE

#include<stdio.h>

#include<stdlib.h>

struct stack

{

int size;

int top;

int *arr;

};

int stackEmpty(struct stack *ptr)

{

if(ptr->top==-1)

return 1;

else

return 0;

}

int stackFull(struct stack *ptr)

{

if(ptr->top==ptr->size-1)

return 1;

else

return 0;

}

void push(struct stack *ptr, int value)

{

if(stackFull(ptr))

printf("Cannot push %d to the stack\n",value);

else

{

ptr->top++;

ptr->arr[ptr->top]=value;

printf("Element %d pushed to the stack\n",value);

}

}

void pop(struct stack *ptr)

{

if(stackEmpty(ptr))

printf("Stack Underflow\n");

else

{

int temp=ptr->arr[ptr->top];

ptr->top--;

printf("Element popped is %d\n",temp);

}

}

int main()

{

struct stack *s=(struct stack *)malloc(sizeof(struct stack));

s->top=-1;

s->size=10;

s->arr=(int *)malloc(sizeof(int)* s->size);

push(s,2);

push(s,3);

push(s,5);

pop(s);

return 0;

}

OUTPUT