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  1. #include <iostream>
  2. #include <cstring>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7. 	int n;
  8. 	cin >> n;
  9. 	int arr[n], opt[n+2];
  10. 	memset(opt, 0, sizeof(opt));
  11.  
  12. 	for(int i = 0; i < n; i++)
  13. 		cin >> arr[i];
  14.  
  15. 	for(int i = n-1; i >= 0; i--)
  16. 		opt[i] = arr[i] + max(opt[i+2], opt[i+1]);
  17.  
  18. 	cout << max(opt[0], opt[1]) << endl;
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 16064KB
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https://ideone.com/GXw5Xv
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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