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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n;
  6. 	cin>>n;
  7. 	vector<int> arr(n+1,0);
  8. 	for(int i=1;i<=n;i++){
  9. 		int element;
  10. 		cin>>element;
  11. 		arr[i]=element;
  12. 	}
  13. 	vector<int> dp(n+1, 0);
  14. 	dp[1]=max(arr[1],0);      //empty subset can be an answer
  15. 	dp[2]=max(max(arr[1], arr[2]), 0);
  16. 	for(int i=3;i<=n;i++){
  17. 		dp[i]=max(dp[i-1], arr[i]+dp[i-2]);
  18. 	}
  19. 	cout<<dp[n];
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 5300KB
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stdin
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5
2 -3 5 -8 7
stdout
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14
https://ideone.com/gr3Hkb
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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