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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main(){
  4.  
  5. //	freopen("snakes.in", "r", stdin);
  6. //	freopen("snakes.out", "w", stdout);
  7.  
  8. 	int n, k;
  9.  
  10. 	cin >> n >> k;
  11.  
  12. 	int snakes[n + 1];
  13.  
  14. 	for(int i = 1;i <= n;i++) cin >> snakes[i];
  15.  
  16. 	int dp[n + 1][k + 1];
  17.  
  18. 	int max1 = -1;  
  19.  
  20. 	int tot = 0;  
  21.  
  22. 	for(int i = 1;i <= n;i++){
  23.  
  24. 		max1 = max(max1, snakes[i]);  
  25.  
  26. 		dp[i][0] = max1 * i; // bat i con ma khong doi size lan nao  
  27.  
  28. 		for(int j = 1;j <= k;j++){
  29. 			dp[i][j] = INT_MAX; 
  30. 			int max2 = snakes[i]; 
  31.  
  32. 			// doi size khi bat den con thu l  
  33. 			for(int l = i - 1;l >= 0;l--){
  34.  
  35. 				dp[i][j] = min(dp[i][j], dp[l][j - 1] + (i - l) * max2);
  36.  
  37. 				max2 = max(max2, snakes[l]);   
  38.  
  39. 			} 
  40. 		} 
  41. 		tot += snakes[i];  
  42. 	} 
  43. 	cout << dp[n][k] - tot << endl;  
  44. }
Success #stdin #stdout 0.01s 5272KB
comments (?)
stdin
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6 2
7 9 8 2 3 2
stdout
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-2047566147
https://ideone.com/L1Y8QA
language:
C++14 (gcc 8.3)
created:
4 days ago
visibility:
public

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