Everything/create stack at master · akash5256/Everything · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
# https://www.facebook.com/aniketraj.superior/posts/1076499482805501
# subscribed by code house
#include <stdio.h>
#include <stdlib.h>

struct stack
{
    int size;
    int top;
    int *arr;
};

int isEmpty(struct stack *ptr)
{
    if (ptr->top == -1)
    {
        return 1;
    }
    else
    {
        return 0;
    }
}

int isFull(struct stack *ptr)
{
    if (ptr->top == ptr->size - 1)
    {
        return 1;
    }
    else
    {
        return 0;
    }
}

int main()
{
    // struct stack s;
    // s.size = 80;
    // s.top = -1;
    // s.arr = (int *) malloc(s.size * sizeof(int));

    struct stack *s=(struct stack *)malloc(sizeof(struct stack));
    s->size = 80;
    s->top = -1;
    s->arr = (int *)malloc(s->size * sizeof(int));

    // Pushing an element manually
    // s->arr[0] = 7;
    // s->top++;

    // Check if stack is empty
    if(isEmpty(s)){
        printf("The stack is empty");
    }
    else{
        printf("The stack is not empty");
    }
    return 0;
}