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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. int main(void)
  7. {
  8. 	vector <int> arr;
  9.  
  10. 	int t;
  11. 	cin >> t;
  12. 	while (t--)
  13. 	{
  14. 		int n;
  15. 		cin >> n;
  16.  
  17. 		if (n == 0)
  18. 			arr.pop_back();
  19. 		else
  20. 			arr.push_back(n);
  21. 	}
  22. 	int sum = 0;
  23. 	for (int i = 0; i < arr.size(); i++)
  24. 		sum += arr[i];
  25. 	cout << sum;
  26. }
Success #stdin #stdout 0s 5676KB
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Standard output is empty
https://ideone.com/txvb5z
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

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