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  1. #include <iostream>
  2.  
  3. using namespace std;
  4. int n;
  5. int arr[1001];
  6. int solution(int deep)
  7. {
  8. 	if (deep == 0)
  9. 		return arr[0] = 1;
  10. 	if (deep == 1)
  11. 		return arr[1] = 1;
  12. 	if (arr[deep])
  13. 		return arr[deep];
  14. 	else
  15. 		return arr[deep] = (solution(deep - 1) + (solution(deep - 2) * 2)) % 10007;
  16. }
  17.  
  18. int main(void)
  19. {
  20. 	cin >> n;
  21.  
  22. 	solution(n);
  23. 	cout << arr[n];
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 4872KB
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https://ideone.com/5VtlLj
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

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