/in/foo.cc: In function 'int main()':
/in/foo.cc:17:76: error: request for member 'v' in 'dp[((i - name) - j)]', which is of non-class type 'int'
   17 |                                 if(name+j<=i) dp[i]=max(dp[i],dp[i-name-j].v[j]+name]+subjects[x].v[j]),ans=max(ans,dp[i]);
      |                                                                            ^