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  1. #include<iostream>
  2. #define SIZE 100
  3. using namespace std;
  4.  
  5. struct stack{
  6.     int top;
  7.     int arr[SIZE];
  8. };
  9.  
  10. void push(struct stack *s, int val){
  11.     if(s->top<SIZE-1){
  12.         s->top++;
  13.         s->arr[s->top] = val;
  14.     }else{
  15.         cout<<"stack is full";
  16.     }
  17. }
  18.  
  19. int pop(struct stack *s){
  20.     if(s->top!=-1){
  21.         int val = s->arr[s->top];
  22.         s->top--;
  23.         return val;
  24.     }else{
  25.         cout<<"stack is empty";
  26.     }
  27. }
  28.  
  29. int main(){
  30.     struct stack s;
  31.     s.top = -1;
  32.     push(&s, 10);
  33.     push(&s, 20);
  34.     push(&s, 30);
  35.     push(&s, 40);
  36.     push(&s, 50);
  37.     push(&s, 60);
  38.     pop(&s);
  39.     pop(&s);
  40.     push(&s, 70);
  41.     pop(&s);
  42.     pop(&s);
  43.     pop(&s);
  44.     push(&s, 80);
  45.     cout<<pop(&s);
  46. }
  47.  
Success #stdin #stdout 0s 4580KB
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stdin
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Standard input is empty
stdout
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80
https://ideone.com/ajFec3
language:
C++14 (clang 8.0)
created:
4 years ago
visibility:
public

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