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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int A[5001];
  4. long long DP[5001][5001];
  5. int main()
  6. {
  7.     ios::sync_with_stdio(0);
  8.     cin.tie(0);
  9.     int T,i,j;
  10.     cin>>T;
  11.     for(;T--;)
  12.     {
  13.         int N,K,i,l;
  14.         cin>>N>>K;
  15.         for(i=1;i<=N;i++)
  16.                 cin>>A[i];
  17.         for(i=1;i<=K;i++)
  18.             DP[0][i]=INT_MIN;
  19.  
  20.         for(i=1;i<=N;i++)
  21.             for(j=1;j<=K;j++)
  22.                 DP[i][j]=INT_MIN;
  23.  
  24.         for(i=1;i<=N;i++)
  25.             {
  26.                 int temp=0;
  27.                 for(l=i;l>=1;l--)
  28.                 {
  29.                     if(temp|A[l] >temp)
  30.                     {
  31.                         temp|=A[l];
  32.                         for(j=1;j<=min(K,i);j++)
  33.                             DP[i][j]=max(DP[l-1][j-1]+temp,DP[i][j]);
  34.  
  35.                     }
  36.                 }
  37.             }
  38.         cout<<DP[N][K]<<"\n";
  39.     }
  40.     return 0;
  41. }
  42.  
Runtime error #stdin #stdout 3.37s 198656KB
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Standard output is empty
https://ideone.com/x7SeJp
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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