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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n, a, res=0;
  6. 	cin>>n;
  7.  
  8. 	for(int i=0;i<n;i++){
  9. 		cin>>a;
  10.  
  11. 		res+=a/2;
  12. 		if(a%2!=0)
  13. 			res++;
  14. 	}
  15.  
  16. 	cout<<res;
  17.  
  18. 	return 0;
  19. }
Success #stdin #stdout 0.01s 5292KB
comments (?)
stdin 
8
1 2 3 2 2 5 4 2
stdout 
12
https://ideone.com/ICWYdo
language:
C++ (gcc 8.3)
created:
11 days ago
visibility:
public

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