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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int dp[(1<<17)-1][20],N,INF=2*pow(10,7),height[17],shrink[17];
  4.  
  5. int solve(int mask, int indeks)
  6. {
  7. 	if (mask==((1<<N)-1))
  8. 		return 0;
  9. 	if (dp[mask][indeks]!=-1)
  10. 		return dp[mask][indeks];
  11.  
  12. 	int ans=-INF,cnt=0;
  13. 	for (int i=0;i<N;i++)
  14. 	{
  15. 		int temp1=mask&(1<<i);
  16. 		if (temp1==0)	//belum diambil
  17. 		{
  18. 			int temp=mask|(1<<i);
  19. 			if (height[i]-(shrink[i]*indeks)>=0)
  20. 				cnt=height[i]-(shrink[i]*indeks);
  21. 			else
  22. 				cnt=0;
  23.  
  24. 			ans=max(ans,solve(temp,indeks+1)+cnt);
  25. 		}
  26. 	}
  27. return dp[mask][indeks]=ans;
  28. }
  29.  
  30. int main()
  31. {
  32. 	ios_base::sync_with_stdio(false);
  33. 	int TC,i;
  34. 	cin>>TC;
  35.  
  36. 	while (TC--)
  37. 	{
  38. 		cin>>N;
  39. 		for (i=0;i<N;i++)
  40. 			cin>>height[i]>>shrink[i];
  41.  
  42. 		memset(dp,-1,sizeof(dp));
  43. 		cout<<solve(0,0)<<"\n";
  44. 	}
  45. return 0;
  46. }
Success #stdin #stdout 0s 25480KB
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https://ideone.com/N6M3mu
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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