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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() 
  5. {
  6. 	int n;
  7. 	cin>>n;
  8. 	int a[100000];
  9. 	for(int i=0;i<n;i++)
  10. 	cin>>a[i];
  11. 	int sum=0;
  12. 	int c=0;
  13. 	for(int i=0;i<n;i++)
  14. 	{
  15. 		if(c==0&&a[i]==-1)
  16. 		sum++;
  17. 		if(a[i]!=-1)
  18. 		c+=a[i];
  19. 		if(c!=0&&a[i]==-1)
  20. 		c--;
  21. 	}
  22. 	cout<<sum;
  23.  
  24.  
  25.  
  26. 	return 0;
  27. }
Success #stdin #stdout 0s 4408KB
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stdin
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8
1 -1 1 -1 -1 1 1 1
stdout
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1
https://ideone.com/Pjz02B
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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