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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. const int MAX_SIZE = 10000;
  5.  
  6. int main() {
  7. 	int n, m, v[MAX_SIZE], k, x, t;
  8. 	cin >> n;
  9. 	t = n;
  10. 	for (int i = 1; i <= t; ++i) {
  11. 		cin >> v[i];
  12. 	}
  13. 	cin >> m;
  14. 	while(m--) {
  15. 		cin >> k;
  16. 		if(k == 1) {
  17. 			cin >> x;
  18. 			++t;
  19. 			v[t] = x;
  20. 		} else {
  21. 			--t;
  22. 		}
  23. 	}
  24. 	cout << t << "\n ";
  25. 	for (int i = 1; i <= t; ++i) {
  26. 		cout << v[i] <<" ";
  27. 	}
  28. 	return 0;
  29. }
Success #stdin #stdout 0.01s 5280KB
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stdin
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3
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stdout
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https://ideone.com/s3TC8e
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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