fork download
copy 
  1. // Online C compiler to run C program online
  2. #include <stdio.h>
  3. #include<stdlib.h>
  4.   struct stack{
  5.     int size;
  6.     int top;
  7.     int *ptr;
  8. };
  9. int isempty(struct stack *arr)
  10. {
  11.     if(arr->top==-1){
  12.         return 1;
  13.     }
  14.     else{
  15.         return 0;
  16.     }
  17. };
  18. int isfull(struct stack *arr)
  19. {
  20.  
  21.     if(arr->top==arr->size-1){
  22.         return 1;
  23.     }
  24.     else{
  25.         return 0;
  26.     }
  27. };
  28.  
  29. int main() {
  30.     // Write C code here
  31.     struct stack*s;
  32.     s->size=8;
  33.     s->top=-1;
  34.     s->ptr=(int*)malloc(s->size*sizeof(struct stack));
  35.      s->ptr[0]=9;
  36.      s->top++;
  37.  
  38.      if(isempty(s)){
  39.          printf("the stack is empty");
  40.  
  41.      }
  42.     else{
  43.         printf("the stack is not emtpy");
  44.     }
  45.  
  46.     return 0;
  47. }
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
the stack is not emtpy
https://ideone.com/bI3t9Z
language:
C (gcc 8.3)
created:
11 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!