/in/foo.cc: In function 'int main()':
/in/foo.cc:39:37: error: 'd' was not declared in this scope
             dp[i][j]=max(dp[i][j-1],d[i-1][j])+a2[i][j];
                                     ^
/in/foo.cc:45:37: error: 'd' was not declared in this scope
             dp[i][j]=max(dp[i][j-1],d[i-1][j])+a5[i][j];
                                     ^
/in/foo.cc:49:24: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'int' [-Wformat=]
     printf("%lld\n",ans);
                        ^