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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6. 	int ideone[5];
  7. 	int choice;
  8. 	int top = -1;
  9. 	int number;
  10. 	cout<<"1. Push an element"<<endl;
  11. 	cout<<"2. Pop an element"<<endl;
  12. 	cout<<"3. Exit"<<endl;
  13. 	cout<<" Enter your choice";
  14. 	cin>>choice;
  15.  
  16. 	switch(choice){
  17. 		case 1:
  18. 		cout<<"Push an Element";
  19. 		cin>>number;
  20. 		if(top > 4){
  21. 			cout<<"Array is full,No element can be pushed";
  22. 		}else{
  23. 			ideone[++top] =x;
  24. 			cout<<"Element Pushed";
  25. 		}
  26. 		break;
  27.  
  28. 		case 2:
  29. 		cout<<"Pop an Element";
  30. 		cin>>number;
  31. 		if(top = -1){
  32. 			cout<<"No element is present in array to be popped";
  33. 		}else{
  34. 			ideone[--top];
  35. 			cout<<"Element Popped";
  36. 		}
  37. 		break;
  38.  
  39. 		case 3:
  40. 		if(top = -1){
  41. 			cout<<"Array is empty";
  42. 		}else{
  43. 			for(int i=top; i>=0; i++){
  44. 				cout<<ideone[i]<<endl;
  45. 			}
  46. 		}
  47. 		break;
  48. 	}
  49.  
  50. 	return 0;
  51. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:23:19: error: ‘x’ was not declared in this scope
    ideone[++top] =x;
                   ^
stdout
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Standard output is empty
https://ideone.com/O1QHyP
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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