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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. int n, st[100], top = -1;
  6. cin >> n;
  7. while (n) {
  8. 	int op;
  9. 	cin >> op;
  10. 	if (op == 1) {
  11. 		int x;
  12. 		cin >> x;
  13. 		++top;
  14. 		st[top] = x;
  15. 	} else if (op == 2 && top >= 0) {
  16. 		--top;
  17. 	} else if (op == 3) {
  18. 		if (top >= 0) {
  19. 			cout << st[top] << endl;
  20. 		} else {
  21. 			cout << "Stiva goala" << endl;
  22. 		}
  23. 	}
  24. 	--n;
  25. }
  26. 	return 0;
  27. }
Success #stdin #stdout 0s 5316KB
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https://ideone.com/97LJKW
language:
C++ (gcc 8.3)
created:
13 hours ago
visibility:
public

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