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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int n, m;
  7. 	cin >> n >> m;
  8. 	int distance[5];
  9. 	for (int i = 0; i < n; i++) {
  10. 		cin >> distance[i];
  11. 	}
  12. 	int dp[5];
  13. 	int pre[5];
  14. 	dp[0] = 0;
  15. 	pre[0] = distance[0];
  16. 	//dp[1] = distance[0];
  17. 	//pre[1] = distance[0];
  18. 	for (int i = 1; i < n; i++) {
  19. 		pre[i] = pre[i - 1] + distance[i];
  20. 		dp[i] = 0;
  21. 	}
  22. 	dp[1] = distance[0];
  23. 	for (int i = 2; i < n; i++) {
  24. 		for (int k = 1; k <= m; k++) {
  25. 			if(i - 2*k < 0)
  26. 				continue;
  27. 			int temp = max(dp[i - 2 * k] + pre[i - k] - pre[i - 2 * k], dp[i - 1]);
  28. 			dp[i] = max(temp, dp[i]);
  29. 		}
  30. 	}
  31. 	cout << dp[n - 1] << endl;
  32. }
Success #stdin #stdout 0s 4484KB
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https://ideone.com/6Gqxju
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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