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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. //long long a[5005];
  5. //long long dp[5005][5005];
  6.  
  7. int main() {
  8. 	int n,m,k,i,j,p,q;
  9.  
  10. 	cin>>n>>m>>k;
  11.  
  12. 	long long a[n];
  13. 	long long dp[n][k];
  14. 	long long sum;
  15. 	long long ans = 0;
  16.  
  17. 	for(i = 0; i < n; i++) {
  18. 		cin>>a[i];
  19. 	}
  20. 	for(i = 0; i < n; i++) {
  21. 		for(j = 0; j < k; j++) {
  22. 			dp[i][j] = 0;
  23. 		}
  24. 	}
  25. 	for(i = 0; i < n; i++) {
  26. 		for(j = 0; j < k; j++) {
  27. 			if(i < (m*(j+1))-1) 
  28. 				continue;
  29. 			sum = 0;
  30. 			for(p = i, q= m; q; q--, p--) {
  31. 				sum +=a[p];
  32. 			}	
  33. 			if(i-m < 0 || j-1 < 0) {
  34. 				if(i-1 < 0)
  35. 					dp[i][j] = sum;
  36. 				else
  37. 					dp[i][j] = max(sum, dp[i-1][j]);
  38. 			}
  39. 			else if(i-1 < 0)
  40. 				dp[i][j] = dp[i-m][j-1]+sum;
  41. 			else
  42. 				dp[i][j] = max(dp[i-m][j-1]+sum, dp[i-1][j]); 
  43. 		}
  44. 	//cout<<dp[i][k-1]<<"    "<<i<<"     "<<k-1<<endl;
  45. 	ans = max(ans, dp[i][k-1]);
  46. 	}
  47. 	cout<<ans;
  48. 	return 0;
  49. }
Success #stdin #stdout 0s 2732KB
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https://ideone.com/E6LRpm
language:
C++ 4.3.2 (gcc-4.3.2)
created:
9 years ago
visibility:
public

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