foo.cc:13:40: error: declaration of 'a' as multidimensional array must have bounds for all dimensions except the first
 void getpath(int i,int j,long long a[][],int &path)
                                        ^
foo.cc:13:41: error: expected ')' before ',' token
 void getpath(int i,int j,long long a[][],int &path)
                                         ^
foo.cc:13:42: error: expected unqualified-id before 'int'
 void getpath(int i,int j,long long a[][],int &path)
                                          ^~~

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