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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n, v[10001], m, k, x;
  6. 	cin >> n;
  7. 	for (int i = 1; i <= n; ++i) {
  8. 		cin >> v[i];
  9. 	}
  10. 	cin >> m;
  11. 	for (int j = 1; j <= m; ++j) {
  12. 		cin >> k;
  13. 		if(k == 1) {
  14. 			cin >> x;
  15. 			++n;
  16. 			v[n] = x;
  17. 		}
  18. 		if(k == 2) {
  19. 			--n;
  20. 		}
  21. 	}
  22. 	cout << n << "\n ";
  23. 	for (int i = 1; i <= n; ++i) {
  24. 		cout << v[i] <<" ";
  25. 	}
  26. 	return 0;
  27. }
Success #stdin #stdout 0.01s 5272KB
comments (?)
stdin
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7
5 -4 0 -7 7 7 2
5
2
1 100
2
1 0
1 3
stdout
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8
 5 -4 0 -7 7 7 0 3
https://ideone.com/95GUHI
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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